NOAA Current Watches-WA

* WHAT...Stagnant Air leading to the potential for decreasing air quality. * WHERE...Wenatchee Area, Waterville Plateau, Chelan County. * WHEN...Until 4 AM PST Tuesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. * ADDITIONAL DETAILS...Light wind and stable weather are expected through at least Monday night leading to the potential for decreasing air quality. Degraded air quality can lead to issues for people with respiratory problems. Air Stagnation Advisory 2024-12-01T12:46:00-08:00 2024-12-01T12:46:00-08:00 2024-12-01T12:46:00-08:00 2024-12-02T13:00:00-08:00 Actual Update Met Expected Moderate Likely Wenatchee Area; Okanogan Valley; Waterville Plateau; Central Chelan County; Western Chelan County SAME 053007 SAME 053017 SAME 053047 SAME 053025 UGC WAZ041 UGC WAZ043 UGC WAZ044 UGC WAZ047 UGC WAZ048 AWIPSidentifier NPWOTX WMOidentifier WWUS76 KOTX 012046 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KOTX.AS.Y.0001.000000T0000Z-241203T1200Z/ eventEndingTime 2024-12-03T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.086ef90f74266ba8ec998f4fd6c0ae2c9f3c7dde.001.1,2024-11-29T15:51:00-08:00

* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...Central and Southern Willamette Valley, Foothills of the Northern and Central Oregon Cascades, North and Central Coast Range Valleys of Oregon, Lower Columbia River and Cowlitz River Valleys, Tualatin Valley, Outer Southeast Portland Metro, Willapa and Wahkiakum Lowlands, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...Until 4 AM PST Thursday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-01T12:18:00-08:00 2024-12-01T12:18:00-08:00 2024-12-01T12:18:00-08:00 2024-12-02T06:00:00-08:00 Actual Update Met Expected Moderate Likely North Oregon Coast Range Lowlands; Central Oregon Coast Range Lowlands; Lower Columbia River; Tualatin Valley; Outer Southeast Portland Metro; West Central Willamette Valley; East Central Willamette Valley; Benton County Lowlands; Linn County Lowlands; Lane County Lowlands; Clackamas County Cascade Foothills; Cascade Foothills of Marion and Linn Counties; Lane County Cascade Foothills; Willapa and Wahkiakum Lowlands; Cowlitz County Lowlands; North Clark County Lowlands; South Washington Cascade Foothills SAME 041057 SAME 041007 SAME 041041 SAME 041067 SAME 041071 SAME 041039 SAME 041003 SAME 041053 SAME 041009 SAME 041051 SAME 041005 SAME 041047 SAME 041043 SAME 053049 SAME 053069 SAME 053015 SAME 053011 SAME 053059 UGC ORZ104 UGC ORZ105 UGC ORZ108 UGC ORZ109 UGC ORZ113 UGC ORZ114 UGC ORZ115 UGC ORZ116 UGC ORZ117 UGC ORZ118 UGC ORZ123 UGC ORZ124 UGC ORZ125 UGC WAZ202 UGC WAZ204 UGC WAZ205 UGC WAZ208 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 012018 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.AS.Y.0001.000000T0000Z-241205T1200Z/ eventEndingTime 2024-12-05T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a4b59ebc83676d657dbb3ed8640dcc6b78cb77d9.003.1,2024-12-01T01:32:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a4b59ebc83676d657dbb3ed8640dcc6b78cb77d9.002.1,2024-12-01T01:32:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a4b59ebc83676d657dbb3ed8640dcc6b78cb77d9.001.2,2024-12-01T01:32:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8381347e106b1488078e7582ed5b3a8c195fda71.005.1,2024-12-01T04:25:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8381347e106b1488078e7582ed5b3a8c195fda71.004.1,2024-12-01T04:25:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8381347e106b1488078e7582ed5b3a8c195fda71.003.1,2024-12-01T04:25:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8381347e106b1488078e7582ed5b3a8c195fda71.001.2,2024-12-01T04:25:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8d466aec059dff30a12ed0dca40bb3ec59ce3b09.003.1,2024-11-30T21:08:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8d466aec059dff30a12ed0dca40bb3ec59ce3b09.002.1,2024-11-30T21:08:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.22f3aa05e658208dfe2e8e70be6a5574d7d1b26d.002.1,2024-11-30T11:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.22f3aa05e658208dfe2e8e70be6a5574d7d1b26d.001.1,2024-11-30T11:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a9bb6c9a5459b3ed795a81a2bf55436fcc5cc522.002.1,2024-11-30T02:40:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a9bb6c9a5459b3ed795a81a2bf55436fcc5cc522.001.1,2024-11-30T02:40:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e8845522ba47f474ec0646f92a0f74e443c0d763.002.1,2024-11-29T13:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e8845522ba47f474ec0646f92a0f74e443c0d763.001.1,2024-11-29T13:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.9cf80f145cd192344dfbe23e6bf7120cf9c88766.002.1,2024-11-29T05:28:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.9cf80f145cd192344dfbe23e6bf7120cf9c88766.001.1,2024-11-29T05:28:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6f37457e270fa55fa866b6aa22a4acd53ec81671.002.1,2024-11-28T14:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6f37457e270fa55fa866b6aa22a4acd53ec81671.001.1,2024-11-28T14:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d28e420adcd0dbfde8d3dabe234299df3b403222.004.1,2024-11-28T08:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d28e420adcd0dbfde8d3dabe234299df3b403222.003.1,2024-11-28T08:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d28e420adcd0dbfde8d3dabe234299df3b403222.002.2,2024-11-28T08:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d28e420adcd0dbfde8d3dabe234299df3b403222.001.2,2024-11-28T08:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.004.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.003.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.002.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.001.2,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.006.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.005.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.003.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.002.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.001.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.005.1,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.003.2,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.002.2,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.001.2,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2e43107565bb75e40151c4e5a51b4e379352916c.003.1,2024-11-27T20:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2e43107565bb75e40151c4e5a51b4e379352916c.002.1,2024-11-27T20:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2e43107565bb75e40151c4e5a51b4e379352916c.001.2,2024-11-27T20:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e687fb99ac77517c94d13096528e22603fa46c74.003.1,2024-11-27T16:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e687fb99ac77517c94d13096528e22603fa46c74.002.1,2024-11-27T16:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e687fb99ac77517c94d13096528e22603fa46c74.001.1,2024-11-27T16:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3e384f61e5e30bc09e3bf73f0378b067870211cd.002.1,2024-11-27T12:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3e384f61e5e30bc09e3bf73f0378b067870211cd.001.1,2024-11-27T12:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7da93e300caaa1066d3cf61e9144c4b03b63b156.004.1,2024-11-27T10:55:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7da93e300caaa1066d3cf61e9144c4b03b63b156.003.1,2024-11-27T10:55:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7da93e300caaa1066d3cf61e9144c4b03b63b156.001.2,2024-11-27T10:55:00-08:00

* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...Inner Vancouver Metro. * WHEN...Until 4 AM PST Thursday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-01T12:18:00-08:00 2024-12-01T12:18:00-08:00 2024-12-01T12:18:00-08:00 2024-12-02T06:00:00-08:00 Actual Update Met Expected Moderate Likely Inner Vancouver Metro SAME 053011 UGC WAZ206 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 012018 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.AS.Y.0001.000000T0000Z-241205T1200Z/ eventEndingTime 2024-12-05T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a4b59ebc83676d657dbb3ed8640dcc6b78cb77d9.003.1,2024-12-01T01:32:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8381347e106b1488078e7582ed5b3a8c195fda71.002.2,2024-12-01T04:25:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8d466aec059dff30a12ed0dca40bb3ec59ce3b09.003.1,2024-11-30T21:08:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.22f3aa05e658208dfe2e8e70be6a5574d7d1b26d.002.1,2024-11-30T11:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a9bb6c9a5459b3ed795a81a2bf55436fcc5cc522.002.1,2024-11-30T02:40:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e8845522ba47f474ec0646f92a0f74e443c0d763.002.1,2024-11-29T13:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.9cf80f145cd192344dfbe23e6bf7120cf9c88766.002.1,2024-11-29T05:28:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6f37457e270fa55fa866b6aa22a4acd53ec81671.002.1,2024-11-28T14:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d28e420adcd0dbfde8d3dabe234299df3b403222.002.2,2024-11-28T08:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.003.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.002.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.002.2,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2e43107565bb75e40151c4e5a51b4e379352916c.003.1,2024-11-27T20:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e687fb99ac77517c94d13096528e22603fa46c74.003.1,2024-11-27T16:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3e384f61e5e30bc09e3bf73f0378b067870211cd.002.1,2024-11-27T12:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7da93e300caaa1066d3cf61e9144c4b03b63b156.004.1,2024-11-27T10:55:00-08:00

* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...In Oregon, Inner Portland Metro. In Washington, Inner Vancouver Metro. * WHEN...For the Air Stagnation Advisory, until 4 PM PST Monday. For the Dense Fog Advisory, until noon PST today. * IMPACTS...For the Dense Fog Advisory, low visibility could make driving conditions hazardous. For the Air Stagnation Advisory, deteriorating air quality may cause issues for people with respiratory problems. Dense Fog Advisory 2024-12-01T09:34:00-08:00 2024-12-01T09:34:00-08:00 2024-12-01T09:34:00-08:00 2024-12-01T21:45:00-08:00 Actual Update Met Expected Moderate Likely Inner Portland Metro; Inner Vancouver Metro SAME 041051 SAME 041005 SAME 053011 UGC ORZ111 UGC WAZ206 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 011734 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST MONDAY... ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.FG.Y.0037.000000T0000Z-241201T2000Z/ eventEndingTime 2024-12-01T20:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8381347e106b1488078e7582ed5b3a8c195fda71.002.1,2024-12-01T04:25:00-08:00

* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...Lower Columbia River and Cowlitz River Valleys, and North Clark County Lowlands. * WHEN...For the Air Stagnation Advisory, until 4 AM PST Thursday. For the Dense Fog Advisory, until noon PST today. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. Dense Fog Advisory 2024-12-01T09:34:00-08:00 2024-12-01T09:34:00-08:00 2024-12-01T09:34:00-08:00 2024-12-01T21:45:00-08:00 Actual Update Met Expected Moderate Likely Lower Columbia River; Cowlitz County Lowlands; North Clark County Lowlands SAME 041009 SAME 053015 SAME 053011 UGC ORZ108 UGC WAZ204 UGC WAZ205 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 011734 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY... ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.FG.Y.0037.000000T0000Z-241201T2000Z/ eventEndingTime 2024-12-01T20:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8381347e106b1488078e7582ed5b3a8c195fda71.001.1,2024-12-01T04:25:00-08:00

* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...In Oregon, Inner Portland Metro. In Washington, Inner Vancouver Metro. * WHEN...For the Air Stagnation Advisory, until 4 PM PST Monday. For the Dense Fog Advisory, until noon PST today. * IMPACTS...For the Dense Fog Advisory, low visibility could make driving conditions hazardous. For the Air Stagnation Advisory, deteriorating air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-01T09:34:00-08:00 2024-12-01T09:34:00-08:00 2024-12-01T09:34:00-08:00 2024-12-01T21:45:00-08:00 Actual Update Met Expected Moderate Likely Inner Portland Metro; Inner Vancouver Metro SAME 041051 SAME 041005 SAME 053011 UGC ORZ111 UGC WAZ206 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 011734 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST MONDAY... ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.AS.Y.0001.000000T0000Z-241203T0000Z/ eventEndingTime 2024-12-03T00:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a4b59ebc83676d657dbb3ed8640dcc6b78cb77d9.003.1,2024-12-01T01:32:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8381347e106b1488078e7582ed5b3a8c195fda71.002.2,2024-12-01T04:25:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8d466aec059dff30a12ed0dca40bb3ec59ce3b09.003.1,2024-11-30T21:08:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.22f3aa05e658208dfe2e8e70be6a5574d7d1b26d.002.1,2024-11-30T11:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a9bb6c9a5459b3ed795a81a2bf55436fcc5cc522.002.1,2024-11-30T02:40:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e8845522ba47f474ec0646f92a0f74e443c0d763.002.1,2024-11-29T13:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.9cf80f145cd192344dfbe23e6bf7120cf9c88766.002.1,2024-11-29T05:28:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6f37457e270fa55fa866b6aa22a4acd53ec81671.002.1,2024-11-28T14:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d28e420adcd0dbfde8d3dabe234299df3b403222.002.2,2024-11-28T08:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.003.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.002.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.002.2,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2e43107565bb75e40151c4e5a51b4e379352916c.003.1,2024-11-27T20:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e687fb99ac77517c94d13096528e22603fa46c74.003.1,2024-11-27T16:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3e384f61e5e30bc09e3bf73f0378b067870211cd.002.1,2024-11-27T12:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7da93e300caaa1066d3cf61e9144c4b03b63b156.004.1,2024-11-27T10:55:00-08:00

* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...Lower Columbia River and Cowlitz River Valleys, and North Clark County Lowlands. * WHEN...For the Air Stagnation Advisory, until 4 AM PST Thursday. For the Dense Fog Advisory, until noon PST today. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. Air Stagnation Advisory 2024-12-01T09:34:00-08:00 2024-12-01T09:34:00-08:00 2024-12-01T09:34:00-08:00 2024-12-01T21:45:00-08:00 Actual Update Met Expected Moderate Likely Lower Columbia River; Cowlitz County Lowlands; North Clark County Lowlands SAME 041009 SAME 053015 SAME 053011 UGC ORZ108 UGC WAZ204 UGC WAZ205 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 011734 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY... ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.AS.Y.0001.000000T0000Z-241205T1200Z/ eventEndingTime 2024-12-05T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a4b59ebc83676d657dbb3ed8640dcc6b78cb77d9.002.1,2024-12-01T01:32:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8381347e106b1488078e7582ed5b3a8c195fda71.001.2,2024-12-01T04:25:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8d466aec059dff30a12ed0dca40bb3ec59ce3b09.002.1,2024-11-30T21:08:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.22f3aa05e658208dfe2e8e70be6a5574d7d1b26d.001.1,2024-11-30T11:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a9bb6c9a5459b3ed795a81a2bf55436fcc5cc522.001.1,2024-11-30T02:40:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e8845522ba47f474ec0646f92a0f74e443c0d763.001.1,2024-11-29T13:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.9cf80f145cd192344dfbe23e6bf7120cf9c88766.001.1,2024-11-29T05:28:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6f37457e270fa55fa866b6aa22a4acd53ec81671.001.1,2024-11-28T14:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d28e420adcd0dbfde8d3dabe234299df3b403222.001.2,2024-11-28T08:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.002.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.001.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.001.2,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2e43107565bb75e40151c4e5a51b4e379352916c.002.1,2024-11-27T20:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e687fb99ac77517c94d13096528e22603fa46c74.002.1,2024-11-27T16:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3e384f61e5e30bc09e3bf73f0378b067870211cd.001.1,2024-11-27T12:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7da93e300caaa1066d3cf61e9144c4b03b63b156.003.1,2024-11-27T10:55:00-08:00

* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...Foothills of the Northern and Central Oregon Cascades, North and Central Coast Range Valleys of Oregon, Willapa and Wahkiakum Lowlands, and South Washington Cascade Foothills. * WHEN...Until 4 AM PST Thursday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-01T09:34:00-08:00 2024-12-01T09:34:00-08:00 2024-12-01T09:34:00-08:00 2024-12-01T21:45:00-08:00 Actual Update Met Expected Moderate Likely North Oregon Coast Range Lowlands; Central Oregon Coast Range Lowlands; Clackamas County Cascade Foothills; Cascade Foothills of Marion and Linn Counties; Lane County Cascade Foothills; Willapa and Wahkiakum Lowlands; South Washington Cascade Foothills SAME 041057 SAME 041007 SAME 041041 SAME 041067 SAME 041071 SAME 041039 SAME 041003 SAME 041053 SAME 041005 SAME 041047 SAME 041043 SAME 053049 SAME 053069 SAME 053011 SAME 053015 SAME 053059 UGC ORZ104 UGC ORZ105 UGC ORZ123 UGC ORZ124 UGC ORZ125 UGC WAZ202 UGC WAZ208 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 011734 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.AS.Y.0001.000000T0000Z-241205T1200Z/ eventEndingTime 2024-12-05T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a4b59ebc83676d657dbb3ed8640dcc6b78cb77d9.002.1,2024-12-01T01:32:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8381347e106b1488078e7582ed5b3a8c195fda71.004.1,2024-12-01T04:25:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8d466aec059dff30a12ed0dca40bb3ec59ce3b09.002.1,2024-11-30T21:08:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.22f3aa05e658208dfe2e8e70be6a5574d7d1b26d.001.1,2024-11-30T11:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a9bb6c9a5459b3ed795a81a2bf55436fcc5cc522.001.1,2024-11-30T02:40:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e8845522ba47f474ec0646f92a0f74e443c0d763.001.1,2024-11-29T13:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.9cf80f145cd192344dfbe23e6bf7120cf9c88766.001.1,2024-11-29T05:28:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6f37457e270fa55fa866b6aa22a4acd53ec81671.001.1,2024-11-28T14:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d28e420adcd0dbfde8d3dabe234299df3b403222.004.1,2024-11-28T08:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d28e420adcd0dbfde8d3dabe234299df3b403222.001.2,2024-11-28T08:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.002.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.001.2,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.006.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.005.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.001.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.005.1,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.001.2,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2e43107565bb75e40151c4e5a51b4e379352916c.002.1,2024-11-27T20:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e687fb99ac77517c94d13096528e22603fa46c74.002.1,2024-11-27T16:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3e384f61e5e30bc09e3bf73f0378b067870211cd.001.1,2024-11-27T12:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7da93e300caaa1066d3cf61e9144c4b03b63b156.003.1,2024-11-27T10:55:00-08:00

* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...In Oregon, Inner Portland Metro. In Washington, Inner Vancouver Metro. * WHEN...For the Dense Fog Advisory, until noon PST today. For the Air Stagnation Advisory, until 4 PM PST Monday. * IMPACTS...For the Dense Fog Advisory, low visibility could make driving conditions hazardous. For the Air Stagnation Advisory, deteriorating air quality may cause issues for people with respiratory problems. Dense Fog Advisory 2024-12-01T08:16:00-08:00 2024-12-01T08:16:00-08:00 2024-12-01T08:16:00-08:00 2024-12-01T16:15:00-08:00 Actual Update Met Expected Moderate Likely Inner Portland Metro; Inner Vancouver Metro SAME 041051 SAME 041005 SAME 053011 UGC ORZ111 UGC WAZ206 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 011616 NWSheadline DENSE FOG ADVISORY NOW IN EFFECT UNTIL NOON PST TODAY... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST MONDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXT.KPQR.FG.Y.0037.000000T0000Z-241201T2000Z/ eventEndingTime 2024-12-01T20:00:00+00:00

* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...Lower Columbia River and Cowlitz River Valleys, Tualatin Valley, and North Clark County Lowlands. * WHEN...For the Dense Fog Advisory, until noon PST today. For the Air Stagnation Advisory, until 4 AM PST Thursday. * IMPACTS...For the Dense Fog Advisory, low visibility could make driving conditions hazardous. For the Air Stagnation Advisory, deteriorating air quality may cause issues for people with respiratory problems. Dense Fog Advisory 2024-12-01T08:16:00-08:00 2024-12-01T08:16:00-08:00 2024-12-01T08:16:00-08:00 2024-12-01T16:15:00-08:00 Actual Update Met Expected Moderate Likely Lower Columbia River; Tualatin Valley; Cowlitz County Lowlands; North Clark County Lowlands SAME 041009 SAME 041067 SAME 041051 SAME 041005 SAME 053015 SAME 053011 UGC ORZ108 UGC ORZ109 UGC WAZ204 UGC WAZ205 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 011616 NWSheadline DENSE FOG ADVISORY NOW IN EFFECT UNTIL NOON PST TODAY... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXT.KPQR.FG.Y.0037.000000T0000Z-241201T2000Z/ eventEndingTime 2024-12-01T20:00:00+00:00

* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...In Oregon, Inner Portland Metro. In Washington, Inner Vancouver Metro. * WHEN...For the Dense Fog Advisory, until noon PST today. For the Air Stagnation Advisory, until 4 PM PST Monday. * IMPACTS...For the Dense Fog Advisory, low visibility could make driving conditions hazardous. For the Air Stagnation Advisory, deteriorating air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-01T08:16:00-08:00 2024-12-01T08:16:00-08:00 2024-12-01T08:16:00-08:00 2024-12-01T16:15:00-08:00 Actual Update Met Expected Moderate Likely Inner Portland Metro; Inner Vancouver Metro SAME 041051 SAME 041005 SAME 053011 UGC ORZ111 UGC WAZ206 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 011616 NWSheadline DENSE FOG ADVISORY NOW IN EFFECT UNTIL NOON PST TODAY... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST MONDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.AS.Y.0001.000000T0000Z-241203T0000Z/ eventEndingTime 2024-12-03T00:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8d466aec059dff30a12ed0dca40bb3ec59ce3b09.003.1,2024-11-30T21:08:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.22f3aa05e658208dfe2e8e70be6a5574d7d1b26d.002.1,2024-11-30T11:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a9bb6c9a5459b3ed795a81a2bf55436fcc5cc522.002.1,2024-11-30T02:40:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e8845522ba47f474ec0646f92a0f74e443c0d763.002.1,2024-11-29T13:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.9cf80f145cd192344dfbe23e6bf7120cf9c88766.002.1,2024-11-29T05:28:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6f37457e270fa55fa866b6aa22a4acd53ec81671.002.1,2024-11-28T14:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d28e420adcd0dbfde8d3dabe234299df3b403222.002.2,2024-11-28T08:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.003.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.002.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.002.2,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2e43107565bb75e40151c4e5a51b4e379352916c.003.1,2024-11-27T20:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e687fb99ac77517c94d13096528e22603fa46c74.003.1,2024-11-27T16:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3e384f61e5e30bc09e3bf73f0378b067870211cd.002.1,2024-11-27T12:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7da93e300caaa1066d3cf61e9144c4b03b63b156.004.1,2024-11-27T10:55:00-08:00

* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...Foothills of the Northern and Central Oregon Cascades, North and Central Coast Range Valleys of Oregon, Willapa and Wahkiakum Lowlands, and South Washington Cascade Foothills. * WHEN...Until 4 AM PST Thursday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-01T08:16:00-08:00 2024-12-01T08:16:00-08:00 2024-12-01T08:16:00-08:00 2024-12-01T16:15:00-08:00 Actual Update Met Expected Moderate Likely North Oregon Coast Range Lowlands; Central Oregon Coast Range Lowlands; Clackamas County Cascade Foothills; Cascade Foothills of Marion and Linn Counties; Lane County Cascade Foothills; Willapa and Wahkiakum Lowlands; South Washington Cascade Foothills SAME 041057 SAME 041007 SAME 041041 SAME 041067 SAME 041071 SAME 041039 SAME 041003 SAME 041053 SAME 041005 SAME 041047 SAME 041043 SAME 053049 SAME 053069 SAME 053011 SAME 053015 SAME 053059 UGC ORZ104 UGC ORZ105 UGC ORZ123 UGC ORZ124 UGC ORZ125 UGC WAZ202 UGC WAZ208 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 011616 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.AS.Y.0001.000000T0000Z-241205T1200Z/ eventEndingTime 2024-12-05T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8d466aec059dff30a12ed0dca40bb3ec59ce3b09.002.1,2024-11-30T21:08:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.22f3aa05e658208dfe2e8e70be6a5574d7d1b26d.001.1,2024-11-30T11:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a9bb6c9a5459b3ed795a81a2bf55436fcc5cc522.001.1,2024-11-30T02:40:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e8845522ba47f474ec0646f92a0f74e443c0d763.001.1,2024-11-29T13:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.9cf80f145cd192344dfbe23e6bf7120cf9c88766.001.1,2024-11-29T05:28:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6f37457e270fa55fa866b6aa22a4acd53ec81671.001.1,2024-11-28T14:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d28e420adcd0dbfde8d3dabe234299df3b403222.004.1,2024-11-28T08:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d28e420adcd0dbfde8d3dabe234299df3b403222.001.2,2024-11-28T08:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.002.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.001.2,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.006.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.005.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.001.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.005.1,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.001.2,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2e43107565bb75e40151c4e5a51b4e379352916c.002.1,2024-11-27T20:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e687fb99ac77517c94d13096528e22603fa46c74.002.1,2024-11-27T16:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3e384f61e5e30bc09e3bf73f0378b067870211cd.001.1,2024-11-27T12:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7da93e300caaa1066d3cf61e9144c4b03b63b156.003.1,2024-11-27T10:55:00-08:00

* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...Lower Columbia River and Cowlitz River Valleys, Tualatin Valley, and North Clark County Lowlands. * WHEN...For the Dense Fog Advisory, until noon PST today. For the Air Stagnation Advisory, until 4 AM PST Thursday. * IMPACTS...For the Dense Fog Advisory, low visibility could make driving conditions hazardous. For the Air Stagnation Advisory, deteriorating air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-01T08:16:00-08:00 2024-12-01T08:16:00-08:00 2024-12-01T08:16:00-08:00 2024-12-01T16:15:00-08:00 Actual Update Met Expected Moderate Likely Lower Columbia River; Tualatin Valley; Cowlitz County Lowlands; North Clark County Lowlands SAME 041009 SAME 041067 SAME 041051 SAME 041005 SAME 053015 SAME 053011 UGC ORZ108 UGC ORZ109 UGC WAZ204 UGC WAZ205 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 011616 NWSheadline DENSE FOG ADVISORY NOW IN EFFECT UNTIL NOON PST TODAY... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.AS.Y.0001.000000T0000Z-241205T1200Z/ eventEndingTime 2024-12-05T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8d466aec059dff30a12ed0dca40bb3ec59ce3b09.002.1,2024-11-30T21:08:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.22f3aa05e658208dfe2e8e70be6a5574d7d1b26d.001.1,2024-11-30T11:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a9bb6c9a5459b3ed795a81a2bf55436fcc5cc522.001.1,2024-11-30T02:40:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e8845522ba47f474ec0646f92a0f74e443c0d763.001.1,2024-11-29T13:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.9cf80f145cd192344dfbe23e6bf7120cf9c88766.001.1,2024-11-29T05:28:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6f37457e270fa55fa866b6aa22a4acd53ec81671.001.1,2024-11-28T14:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d28e420adcd0dbfde8d3dabe234299df3b403222.001.2,2024-11-28T08:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.002.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.001.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.001.2,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2e43107565bb75e40151c4e5a51b4e379352916c.002.1,2024-11-27T20:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e687fb99ac77517c94d13096528e22603fa46c74.002.1,2024-11-27T16:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3e384f61e5e30bc09e3bf73f0378b067870211cd.001.1,2024-11-27T12:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7da93e300caaa1066d3cf61e9144c4b03b63b156.003.1,2024-11-27T10:55:00-08:00

* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less at times in dense fog. For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...Lower Columbia River and Cowlitz River Valleys, Tualatin Valley, and North Clark County Lowlands. * WHEN...For the Dense Fog Advisory, until 9 AM PST this morning. For the Air Stagnation Advisory, until 4 AM PST Thursday. * IMPACTS...For the Dense Fog Advisory, low visibility could make driving conditions hazardous. For the Air Stagnation Advisory, deteriorating air quality may cause issues for people with respiratory problems. Dense Fog Advisory 2024-12-01T04:25:00-08:00 2024-12-01T04:25:00-08:00 2024-12-01T04:25:00-08:00 2024-12-01T09:15:00-08:00 Actual Alert Met Expected Moderate Likely Lower Columbia River; Tualatin Valley; Cowlitz County Lowlands; North Clark County Lowlands SAME 041009 SAME 041067 SAME 041051 SAME 041005 SAME 053015 SAME 053011 UGC ORZ108 UGC ORZ109 UGC WAZ204 UGC WAZ205 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 011225 NWSheadline DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM PST THIS MORNING... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KPQR.FG.Y.0037.241201T1225Z-241201T1700Z/ eventEndingTime 2024-12-01T17:00:00+00:00

* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less at times in dense fog. For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...In Oregon, Inner Portland Metro. In Washington, Inner Vancouver Metro. * WHEN...For the Dense Fog Advisory, until 9 AM PST this morning. For the Air Stagnation Advisory, until 4 PM PST Monday. * IMPACTS...For the Dense Fog Advisory, low visibility could make driving conditions hazardous. For the Air Stagnation Advisory, deteriorating air quality may cause issues for people with respiratory problems. Dense Fog Advisory 2024-12-01T04:25:00-08:00 2024-12-01T04:25:00-08:00 2024-12-01T04:25:00-08:00 2024-12-01T09:15:00-08:00 Actual Alert Met Expected Moderate Likely Inner Portland Metro; Inner Vancouver Metro SAME 041051 SAME 041005 SAME 053011 UGC ORZ111 UGC WAZ206 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 011225 NWSheadline DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM PST THIS MORNING... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST MONDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KPQR.FG.Y.0037.241201T1225Z-241201T1700Z/ eventEndingTime 2024-12-01T17:00:00+00:00

* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less at times in dense fog. For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...In Oregon, Inner Portland Metro. In Washington, Inner Vancouver Metro. * WHEN...For the Dense Fog Advisory, until 9 AM PST this morning. For the Air Stagnation Advisory, until 4 PM PST Monday. * IMPACTS...For the Dense Fog Advisory, low visibility could make driving conditions hazardous. For the Air Stagnation Advisory, deteriorating air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-01T04:25:00-08:00 2024-12-01T04:25:00-08:00 2024-12-01T04:25:00-08:00 2024-12-01T09:15:00-08:00 Actual Update Met Expected Moderate Likely Inner Portland Metro; Inner Vancouver Metro SAME 041051 SAME 041005 SAME 053011 UGC ORZ111 UGC WAZ206 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 011225 NWSheadline DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM PST THIS MORNING... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST MONDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.AS.Y.0001.000000T0000Z-241203T0000Z/ eventEndingTime 2024-12-03T00:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8d466aec059dff30a12ed0dca40bb3ec59ce3b09.003.1,2024-11-30T21:08:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.22f3aa05e658208dfe2e8e70be6a5574d7d1b26d.002.1,2024-11-30T11:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a9bb6c9a5459b3ed795a81a2bf55436fcc5cc522.002.1,2024-11-30T02:40:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e8845522ba47f474ec0646f92a0f74e443c0d763.002.1,2024-11-29T13:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.9cf80f145cd192344dfbe23e6bf7120cf9c88766.002.1,2024-11-29T05:28:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6f37457e270fa55fa866b6aa22a4acd53ec81671.002.1,2024-11-28T14:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d28e420adcd0dbfde8d3dabe234299df3b403222.002.2,2024-11-28T08:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.003.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.002.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.002.2,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2e43107565bb75e40151c4e5a51b4e379352916c.003.1,2024-11-27T20:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e687fb99ac77517c94d13096528e22603fa46c74.003.1,2024-11-27T16:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3e384f61e5e30bc09e3bf73f0378b067870211cd.002.1,2024-11-27T12:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7da93e300caaa1066d3cf61e9144c4b03b63b156.004.1,2024-11-27T10:55:00-08:00

* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less at times in dense fog. For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...Lower Columbia River and Cowlitz River Valleys, Tualatin Valley, and North Clark County Lowlands. * WHEN...For the Dense Fog Advisory, until 9 AM PST this morning. For the Air Stagnation Advisory, until 4 AM PST Thursday. * IMPACTS...For the Dense Fog Advisory, low visibility could make driving conditions hazardous. For the Air Stagnation Advisory, deteriorating air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-01T04:25:00-08:00 2024-12-01T04:25:00-08:00 2024-12-01T04:25:00-08:00 2024-12-01T09:15:00-08:00 Actual Update Met Expected Moderate Likely Lower Columbia River; Tualatin Valley; Cowlitz County Lowlands; North Clark County Lowlands SAME 041009 SAME 041067 SAME 041051 SAME 041005 SAME 053015 SAME 053011 UGC ORZ108 UGC ORZ109 UGC WAZ204 UGC WAZ205 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 011225 NWSheadline DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM PST THIS MORNING... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.AS.Y.0001.000000T0000Z-241205T1200Z/ eventEndingTime 2024-12-05T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8d466aec059dff30a12ed0dca40bb3ec59ce3b09.002.1,2024-11-30T21:08:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.22f3aa05e658208dfe2e8e70be6a5574d7d1b26d.001.1,2024-11-30T11:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a9bb6c9a5459b3ed795a81a2bf55436fcc5cc522.001.1,2024-11-30T02:40:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e8845522ba47f474ec0646f92a0f74e443c0d763.001.1,2024-11-29T13:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.9cf80f145cd192344dfbe23e6bf7120cf9c88766.001.1,2024-11-29T05:28:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6f37457e270fa55fa866b6aa22a4acd53ec81671.001.1,2024-11-28T14:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d28e420adcd0dbfde8d3dabe234299df3b403222.001.2,2024-11-28T08:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.002.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.001.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.001.2,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2e43107565bb75e40151c4e5a51b4e379352916c.002.1,2024-11-27T20:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e687fb99ac77517c94d13096528e22603fa46c74.002.1,2024-11-27T16:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3e384f61e5e30bc09e3bf73f0378b067870211cd.001.1,2024-11-27T12:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7da93e300caaa1066d3cf61e9144c4b03b63b156.003.1,2024-11-27T10:55:00-08:00

* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...Foothills of the Northern and Central Oregon Cascades, North and Central Coast Range Valleys of Oregon, Lane County Lowlands, Willapa and Wahkiakum Lowlands, and South Washington Cascade Foothills. * WHEN...Until 4 AM PST Thursday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-01T04:25:00-08:00 2024-12-01T04:25:00-08:00 2024-12-01T04:25:00-08:00 2024-12-01T09:15:00-08:00 Actual Update Met Expected Moderate Likely North Oregon Coast Range Lowlands; Central Oregon Coast Range Lowlands; Lane County Lowlands; Clackamas County Cascade Foothills; Cascade Foothills of Marion and Linn Counties; Lane County Cascade Foothills; Willapa and Wahkiakum Lowlands; South Washington Cascade Foothills SAME 041057 SAME 041007 SAME 041041 SAME 041067 SAME 041071 SAME 041039 SAME 041003 SAME 041053 SAME 041005 SAME 041047 SAME 041043 SAME 053049 SAME 053069 SAME 053011 SAME 053015 SAME 053059 UGC ORZ104 UGC ORZ105 UGC ORZ118 UGC ORZ123 UGC ORZ124 UGC ORZ125 UGC WAZ202 UGC WAZ208 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 011225 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.AS.Y.0001.000000T0000Z-241205T1200Z/ eventEndingTime 2024-12-05T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8d466aec059dff30a12ed0dca40bb3ec59ce3b09.002.1,2024-11-30T21:08:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.22f3aa05e658208dfe2e8e70be6a5574d7d1b26d.001.1,2024-11-30T11:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a9bb6c9a5459b3ed795a81a2bf55436fcc5cc522.001.1,2024-11-30T02:40:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e8845522ba47f474ec0646f92a0f74e443c0d763.001.1,2024-11-29T13:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.9cf80f145cd192344dfbe23e6bf7120cf9c88766.001.1,2024-11-29T05:28:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6f37457e270fa55fa866b6aa22a4acd53ec81671.001.1,2024-11-28T14:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d28e420adcd0dbfde8d3dabe234299df3b403222.004.1,2024-11-28T08:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d28e420adcd0dbfde8d3dabe234299df3b403222.001.2,2024-11-28T08:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.002.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.001.2,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.006.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.005.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.001.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.005.1,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.001.2,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2e43107565bb75e40151c4e5a51b4e379352916c.002.1,2024-11-27T20:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e687fb99ac77517c94d13096528e22603fa46c74.002.1,2024-11-27T16:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e687fb99ac77517c94d13096528e22603fa46c74.001.1,2024-11-27T16:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3e384f61e5e30bc09e3bf73f0378b067870211cd.001.1,2024-11-27T12:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7da93e300caaa1066d3cf61e9144c4b03b63b156.003.1,2024-11-27T10:55:00-08:00

* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...Portland Metro Hills, Inner Portland Metro, and Inner Vancouver Metro. * WHEN...Until 4 PM PST Monday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-01T01:32:00-08:00 2024-12-01T01:32:00-08:00 2024-12-01T01:32:00-08:00 2024-12-01T09:30:00-08:00 Actual Update Met Expected Moderate Likely West Hills and Chehalem Mountains; Inner Portland Metro; Outer Southeast Portland Metro; Inner Vancouver Metro SAME 041067 SAME 041051 SAME 041071 SAME 041005 SAME 053011 UGC ORZ110 UGC ORZ111 UGC ORZ113 UGC WAZ206 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 010932 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST MONDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.AS.Y.0001.000000T0000Z-241203T0000Z/ eventEndingTime 2024-12-03T00:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.22f3aa05e658208dfe2e8e70be6a5574d7d1b26d.002.1,2024-11-30T11:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a9bb6c9a5459b3ed795a81a2bf55436fcc5cc522.002.1,2024-11-30T02:40:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e8845522ba47f474ec0646f92a0f74e443c0d763.002.1,2024-11-29T13:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.9cf80f145cd192344dfbe23e6bf7120cf9c88766.002.1,2024-11-29T05:28:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6f37457e270fa55fa866b6aa22a4acd53ec81671.002.1,2024-11-28T14:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d28e420adcd0dbfde8d3dabe234299df3b403222.005.1,2024-11-28T08:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d28e420adcd0dbfde8d3dabe234299df3b403222.002.2,2024-11-28T08:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.005.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.003.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.004.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.002.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.004.1,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.002.2,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2e43107565bb75e40151c4e5a51b4e379352916c.003.1,2024-11-27T20:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e687fb99ac77517c94d13096528e22603fa46c74.003.1,2024-11-27T16:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3e384f61e5e30bc09e3bf73f0378b067870211cd.002.1,2024-11-27T12:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7da93e300caaa1066d3cf61e9144c4b03b63b156.004.1,2024-11-27T10:55:00-08:00

* WHAT...Light winds and limited air movement will lead to a period of stagnant air conditions. This scenario could result in the build up of air pollutants over time. * WHERE...Foothills of the Northern and Central Oregon Cascades, North and Central Coast Range Valleys of Oregon, Lower Columbia River and Cowlitz River Valleys, Tualatin Valley, Lane County Lowlands, Willapa and Wahkiakum Lowlands, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...Until 4 AM PST Thursday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-01T01:32:00-08:00 2024-12-01T01:32:00-08:00 2024-12-01T01:32:00-08:00 2024-12-01T09:30:00-08:00 Actual Update Met Expected Moderate Likely North Oregon Coast Range Lowlands; Central Oregon Coast Range Lowlands; Lower Columbia River; Tualatin Valley; Lane County Lowlands; Clackamas County Cascade Foothills; Cascade Foothills of Marion and Linn Counties; Lane County Cascade Foothills; Willapa and Wahkiakum Lowlands; Cowlitz County Lowlands; North Clark County Lowlands; South Washington Cascade Foothills SAME 041057 SAME 041007 SAME 041041 SAME 041067 SAME 041071 SAME 041039 SAME 041003 SAME 041053 SAME 041009 SAME 041051 SAME 041005 SAME 041047 SAME 041043 SAME 053049 SAME 053069 SAME 053015 SAME 053011 SAME 053059 UGC ORZ104 UGC ORZ105 UGC ORZ108 UGC ORZ109 UGC ORZ118 UGC ORZ123 UGC ORZ124 UGC ORZ125 UGC WAZ202 UGC WAZ204 UGC WAZ205 UGC WAZ208 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 010932 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.AS.Y.0001.000000T0000Z-241205T1200Z/ eventEndingTime 2024-12-05T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.22f3aa05e658208dfe2e8e70be6a5574d7d1b26d.001.1,2024-11-30T11:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a9bb6c9a5459b3ed795a81a2bf55436fcc5cc522.001.1,2024-11-30T02:40:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e8845522ba47f474ec0646f92a0f74e443c0d763.001.1,2024-11-29T13:30:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.9cf80f145cd192344dfbe23e6bf7120cf9c88766.001.1,2024-11-29T05:28:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6f37457e270fa55fa866b6aa22a4acd53ec81671.001.1,2024-11-28T14:49:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d28e420adcd0dbfde8d3dabe234299df3b403222.004.1,2024-11-28T08:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d28e420adcd0dbfde8d3dabe234299df3b403222.001.2,2024-11-28T08:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.002.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.001.2,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.006.1,2024-11-28T02:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.005.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d569cdb484c1d336d7f6b4a304e870456bb81e5e.001.1,2024-11-27T23:06:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.005.1,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96deae15aa4df7130d51bb4d78fc4ae640c25d6b.001.2,2024-11-27T22:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2e43107565bb75e40151c4e5a51b4e379352916c.002.1,2024-11-27T20:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e687fb99ac77517c94d13096528e22603fa46c74.002.1,2024-11-27T16:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.e687fb99ac77517c94d13096528e22603fa46c74.001.1,2024-11-27T16:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3e384f61e5e30bc09e3bf73f0378b067870211cd.001.1,2024-11-27T12:22:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7da93e300caaa1066d3cf61e9144c4b03b63b156.003.1,2024-11-27T10:55:00-08:00