NOAA Current Watches-OR

* WHAT...For the Cold Weather Advisory, very cold temperatures as low as 18 degrees expected. A ridge of high pressure will lead to a strong inversion and stagnant air conditions near the surface that will continue to trap pollutants. This could worsen air quality over time. * WHERE...For the Cold Weather Advisory, the southern end of the Rogue Valley including Ashland as well as the outskirts of Phoenix and Talent; the Shady Cove area; areas east of Eagle Point and White City on Highway 140; and portions of the Applegate Valley including the outskirts of Ruch, Applegate, and Jacksonville Hill. For the Air Stagnation Advisory, the Rogue, Applegate and Sams valleys in Jackson County, including Medford, Talent, Phoenix, Eagle Point, Central Point, Jacksonville, Applegate and Shady Cove. * WHEN...For the Cold Weather Advisory, from 2 AM to 8 AM PST Monday. For the Air Stagnation Advisory, until 4 PM PST Wednesday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures, especially for longer periods of time. Poor air quality may cause issues for people with respiratory problems. Cold Weather Advisory 2024-12-01T17:37:00-08:00 2024-12-01T17:37:00-08:00 2024-12-02T02:00:00-08:00 2024-12-02T08:00:00-08:00 Actual Alert Met Expected Moderate Likely Jackson County SAME 041029 UGC ORZ026 AWIPSidentifier NPWMFR WMOidentifier WWUS76 KMFR 020137 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST WEDNESDAY... ...COLD WEATHER ADVISORY IN EFFECT FROM 2 AM TO 8 AM PST MONDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KMFR.CW.Y.0001.241202T1000Z-241202T1600Z/ eventEndingTime 2024-12-02T16:00:00+00:00

* WHAT...Temperatures of 33 to 36 will result in frost formation. * WHERE...South Central Oregon Coast, including all coastal areas from Port Orford north to around Reedsport as well as the Coquille Valley. * WHEN...From 9 PM this evening to 9 AM PST Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...A few of the typically colder locations could fall to freezing. Frost Advisory 2024-12-01T17:37:00-08:00 2024-12-01T17:37:00-08:00 2024-12-01T21:00:00-08:00 2024-12-02T08:00:00-08:00 Actual Update Met Expected Minor Likely South Central Oregon Coast SAME 041011 SAME 041015 SAME 041019 UGC ORZ021 AWIPSidentifier NPWMFR WMOidentifier WWUS76 KMFR 020137 NWSheadline FROST ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM PST MONDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KMFR.FR.Y.0010.241202T0500Z-241202T1700Z/ eventEndingTime 2024-12-02T17:00:00+00:00

* WHAT...A ridge of high pressure will lead to a strong inversion and stagnant air conditions near the surface that will continue to trap pollutants. This could worsen air quality over time. * WHERE...Valley locations across southern Oregon. West of the Cascades, this includes the Umpqua, Illinois, Applegate, and Rogue valleys, including Grants Pass, Sunny Valley, Galice, Murphy, Selma, Cave Junction and O'Briend. East of the Cascades, this includes Klamath Falls, Sprague River, Chiloquin, Chemult, Silver Lake, Paisley, and surrounding areas. * WHEN...Until 4 PM PST Wednesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-01T17:37:00-08:00 2024-12-01T17:37:00-08:00 2024-12-01T17:37:00-08:00 2024-12-02T08:00:00-08:00 Actual Update Met Expected Moderate Likely Central Douglas County; Eastern Curry County and Josephine County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County SAME 041011 SAME 041019 SAME 041015 SAME 041033 SAME 041035 SAME 041037 UGC ORZ023 UGC ORZ024 UGC ORZ029 UGC ORZ030 UGC ORZ031 AWIPSidentifier NPWMFR WMOidentifier WWUS76 KMFR 020137 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST WEDNESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KMFR.AS.Y.0001.000000T0000Z-241205T0000Z/ eventEndingTime 2024-12-05T00:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f2630113c6a23035d6da2eeb45f014686afb4bf3.004.1,2024-12-01T09:10:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f2630113c6a23035d6da2eeb45f014686afb4bf3.002.2,2024-12-01T09:10:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c983e2f605cdde96daa980af0b404b7c50e6a841.004.1,2024-12-01T04:20:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c983e2f605cdde96daa980af0b404b7c50e6a841.002.1,2024-12-01T04:20:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5e516d40508b3d2f114c1bac7f4b9d3284a3501b.004.1,2024-12-01T04:10:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5e516d40508b3d2f114c1bac7f4b9d3284a3501b.002.2,2024-12-01T04:10:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5e1a0d77014e0c17b5c15bd86f091783fea1243b.002.1,2024-12-01T03:24:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d86ec03bb3c5f97679cf15b6177bf510c0c994c4.002.1,2024-11-30T13:24:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.01a906ef6a8667afc0ddca03775b4458400e1364.004.1,2024-11-30T11:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.01a906ef6a8667afc0ddca03775b4458400e1364.001.2,2024-11-30T11:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5171f89497824428498eb599eb9bbd38382e6e34.004.1,2024-11-30T11:02:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5171f89497824428498eb599eb9bbd38382e6e34.002.1,2024-11-30T11:02:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2c84c69385c8103e5fa73f3d691ad7267280237e.006.1,2024-11-30T08:43:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2c84c69385c8103e5fa73f3d691ad7267280237e.003.2,2024-11-30T08:43:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f7d7d33cb17a109bd488a03f9a3e62e0f0891846.003.1,2024-11-30T02:20:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ef9754d3d12c82b4d679466bc6e5fdb06db145ac.006.1,2024-11-30T04:36:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ef9754d3d12c82b4d679466bc6e5fdb06db145ac.002.2,2024-11-30T04:36:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d1f751a2b105f0732c5577dcd3952429b725f294.004.1,2024-11-30T03:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.0bb3a3f5dde75e6ef2bdf0bfee30ecea1beccfe2.003.1,2024-11-29T16:53:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1294077ece7e9110efc8f73ea2f811f86b3cbe7a.002.1,2024-11-29T15:46:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8ffaac7b62e66d2438403040cf7777c71172f13d.002.1,2024-11-29T13:56:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.bfa3fc0616eaf09d7197914df2de629fbb5ee08c.002.1,2024-11-29T10:55:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.bfa3fc0616eaf09d7197914df2de629fbb5ee08c.001.1,2024-11-29T10:55:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ef8a64c86a80a2b12d9634eb097a5c6094212aaa.001.1,2024-11-29T11:15:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.4c817e3c495f6f15fef7bfa33ce72f6c90c36fd8.002.1,2024-11-29T09:09:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.51e4ae1fd4e4763c756cf250b06303fd21dd1332.002.1,2024-11-29T02:09:00-08:00

* WHAT...For the Cold Weather Advisory, very cold temperatures as low as 18 degrees expected. A ridge of high pressure will lead to a strong inversion and stagnant air conditions near the surface that will continue to trap pollutants. This could worsen air quality over time. * WHERE...For the Cold Weather Advisory, the southern end of the Rogue Valley including Ashland as well as the outskirts of Phoenix and Talent; the Shady Cove area; areas east of Eagle Point and White City on Highway 140; and portions of the Applegate Valley including the outskirts of Ruch, Applegate, and Jacksonville Hill. For the Air Stagnation Advisory, the Rogue, Applegate and Sams valleys in Jackson County, including Medford, Talent, Phoenix, Eagle Point, Central Point, Jacksonville, Applegate and Shady Cove. * WHEN...For the Cold Weather Advisory, from 2 AM to 8 AM PST Monday. For the Air Stagnation Advisory, until 4 PM PST Wednesday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures, especially for longer periods of time. Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-01T17:37:00-08:00 2024-12-01T17:37:00-08:00 2024-12-01T17:37:00-08:00 2024-12-02T08:00:00-08:00 Actual Update Met Expected Moderate Likely Jackson County SAME 041029 UGC ORZ026 AWIPSidentifier NPWMFR WMOidentifier WWUS76 KMFR 020137 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST WEDNESDAY... ...COLD WEATHER ADVISORY IN EFFECT FROM 2 AM TO 8 AM PST MONDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KMFR.AS.Y.0001.000000T0000Z-241205T0000Z/ eventEndingTime 2024-12-05T00:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f2630113c6a23035d6da2eeb45f014686afb4bf3.004.1,2024-12-01T09:10:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c983e2f605cdde96daa980af0b404b7c50e6a841.004.1,2024-12-01T04:20:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5e516d40508b3d2f114c1bac7f4b9d3284a3501b.004.1,2024-12-01T04:10:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5e1a0d77014e0c17b5c15bd86f091783fea1243b.002.1,2024-12-01T03:24:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d86ec03bb3c5f97679cf15b6177bf510c0c994c4.002.1,2024-11-30T13:24:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.01a906ef6a8667afc0ddca03775b4458400e1364.004.1,2024-11-30T11:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5171f89497824428498eb599eb9bbd38382e6e34.001.2,2024-11-30T11:02:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2c84c69385c8103e5fa73f3d691ad7267280237e.005.1,2024-11-30T08:43:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f7d7d33cb17a109bd488a03f9a3e62e0f0891846.002.1,2024-11-30T02:20:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ef9754d3d12c82b4d679466bc6e5fdb06db145ac.004.1,2024-11-30T04:36:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d1f751a2b105f0732c5577dcd3952429b725f294.003.1,2024-11-30T03:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.0bb3a3f5dde75e6ef2bdf0bfee30ecea1beccfe2.002.2,2024-11-29T16:53:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1294077ece7e9110efc8f73ea2f811f86b3cbe7a.002.1,2024-11-29T15:46:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8ffaac7b62e66d2438403040cf7777c71172f13d.002.1,2024-11-29T13:56:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.bfa3fc0616eaf09d7197914df2de629fbb5ee08c.001.1,2024-11-29T10:55:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ef8a64c86a80a2b12d9634eb097a5c6094212aaa.001.1,2024-11-29T11:15:00-08:00

* WHAT...Visibility less than half a mile in freezing fog with some locally dense freezing fog with less than one quarter of a mile visibility. * WHERE...Central Oregon mainly in areas north of Bend, Foothills of the Southern Blue Mountains of Oregon, and North Central Oregon. * WHEN...Until 11 AM PST Monday. * IMPACTS...Low visibility could make driving conditions hazardous. The freezing fog can also cause slick conditions on roads, especially on bridges and overpasses. Freezing Fog Advisory 2024-12-01T17:11:00-08:00 2024-12-01T17:11:00-08:00 2024-12-01T17:11:00-08:00 2024-12-02T07:00:00-08:00 Actual Alert Met Expected Moderate Likely Foothills of the Southern Blue Mountains of Oregon; North Central Oregon; Central Oregon SAME 041021 SAME 041049 SAME 041069 SAME 041055 SAME 041065 SAME 041013 SAME 041017 SAME 041031 UGC ORZ508 UGC ORZ510 UGC ORZ511 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 020111 NWSheadline FREEZING FOG ADVISORY IN EFFECT UNTIL 11 AM PST MONDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KPDT.ZF.Y.0011.241202T0111Z-241202T1900Z/ eventEndingTime 2024-12-02T19:00:00+00:00

* WHAT...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. For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. * WHERE...Central Willamette Valley. * WHEN...For the Air Stagnation Advisory, until 4 AM PST Thursday. For the Dense Fog Advisory, until 11 AM PST Monday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. Dense Fog Advisory 2024-12-01T16:42:00-08:00 2024-12-01T16:42:00-08:00 2024-12-01T18:00:00-08:00 2024-12-02T05:00:00-08:00 Actual Alert Met Expected Moderate Likely West Central Willamette Valley; East Central Willamette Valley SAME 041071 SAME 041053 SAME 041047 SAME 041005 UGC ORZ114 UGC ORZ115 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 020042 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY... ...DENSE FOG ADVISORY IN EFFECT FROM 6 PM PST SUNDAY UNTIL 11 AM PST MONDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KPQR.FG.Y.0038.241202T0200Z-241202T1900Z/ eventEndingTime 2024-12-02T19:00:00+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...South Willamette Valley. * WHEN...For the Dense Fog Advisory, until 11 AM PST Monday. For the Air Stagnation Advisory, until 4 AM PST Thursday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. Dense Fog Advisory 2024-12-01T16:42:00-08:00 2024-12-01T16:42:00-08:00 2024-12-01T16:42:00-08:00 2024-12-02T05:00:00-08:00 Actual Alert Met Expected Moderate Likely Benton County Lowlands; Linn County Lowlands; Lane County Lowlands SAME 041003 SAME 041043 SAME 041039 UGC ORZ116 UGC ORZ117 UGC ORZ118 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 020042 NWSheadline DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PST MONDAY... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KPQR.FG.Y.0038.241202T0042Z-241202T1900Z/ eventEndingTime 2024-12-02T19:00:00+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...South Willamette Valley. * WHEN...For the Dense Fog Advisory, until 11 AM PST Monday. For the Air Stagnation Advisory, until 4 AM PST Thursday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. Air Stagnation Advisory 2024-12-01T16:42:00-08:00 2024-12-01T16:42:00-08:00 2024-12-01T16:42:00-08:00 2024-12-02T05:00:00-08:00 Actual Update Met Expected Moderate Likely Benton County Lowlands; Linn County Lowlands; Lane County Lowlands SAME 041003 SAME 041043 SAME 041039 UGC ORZ116 UGC ORZ117 UGC ORZ118 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 020042 NWSheadline DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PST MONDAY... ...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.f4e7a2b84aa6253cd5f571b251e46b75c95ef583.004.2,2024-12-01T08:16:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f4e7a2b84aa6253cd5f571b251e46b75c95ef583.001.2,2024-12-01T08:16:00-08:00 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:2.49.0.1.840.0.8381347e106b1488078e7582ed5b3a8c195fda71.004.1,2024-12-01T04:25:00-08:00 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:2.49.0.1.840.0.8d466aec059dff30a12ed0dca40bb3ec59ce3b09.002.1,2024-11-30T21:08:00-08:00 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:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.001.2,2024-11-28T02:47:00-08:00 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.e687fb99ac77517c94d13096528e22603fa46c74.001.1,2024-11-27T16:50:00-08:00

* WHAT...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. For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. * WHERE...Central Willamette Valley. * WHEN...For the Air Stagnation Advisory, until 4 AM PST Thursday. For the Dense Fog Advisory, until 11 AM PST Monday. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. Air Stagnation Advisory 2024-12-01T16:42:00-08:00 2024-12-01T16:42:00-08:00 2024-12-01T16:42:00-08:00 2024-12-02T05:00:00-08:00 Actual Update Met Expected Moderate Likely West Central Willamette Valley; East Central Willamette Valley SAME 041071 SAME 041053 SAME 041047 SAME 041005 UGC ORZ114 UGC ORZ115 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 020042 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY... ...DENSE FOG ADVISORY IN EFFECT FROM 6 PM PST SUNDAY UNTIL 11 AM PST MONDAY 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.f4e7a2b84aa6253cd5f571b251e46b75c95ef583.004.2,2024-12-01T08:16:00-08:00 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:2.49.0.1.840.0.8381347e106b1488078e7582ed5b3a8c195fda71.003.1,2024-12-01T04:25:00-08:00 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.d28e420adcd0dbfde8d3dabe234299df3b403222.003.1,2024-11-28T08:22:00-08:00 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.d569cdb484c1d336d7f6b4a304e870456bb81e5e.003.1,2024-11-27T23:06:00-08:00 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:2.49.0.1.840.0.2e43107565bb75e40151c4e5a51b4e379352916c.001.2,2024-11-27T20:37:00-08:00 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 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...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 2024-12-01T16:42:00-08:00 2024-12-01T16:42:00-08:00 2024-12-01T16:42:00-08:00 2024-12-02T05:00:00-08:00 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; 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 ORZ123 UGC ORZ124 UGC ORZ125 UGC WAZ202 UGC WAZ204 UGC WAZ205 UGC WAZ208 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 020042 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.f4e7a2b84aa6253cd5f571b251e46b75c95ef583.006.1,2024-12-01T08:16:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f4e7a2b84aa6253cd5f571b251e46b75c95ef583.005.1,2024-12-01T08:16:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f4e7a2b84aa6253cd5f571b251e46b75c95ef583.002.2,2024-12-01T08:16:00-08:00 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:2.49.0.1.840.0.8381347e106b1488078e7582ed5b3a8c195fda71.005.1,2024-12-01T04:25:00-08:00 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:2.49.0.1.840.0.8381347e106b1488078e7582ed5b3a8c195fda71.001.2,2024-12-01T04:25:00-08:00 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.d28e420adcd0dbfde8d3dabe234299df3b403222.002.2,2024-11-28T08:22:00-08:00 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:2.49.0.1.840.0.6cb7a31bb4f5d5534fb91a98d0c7a8ea3b1b1df8.003.1,2024-11-28T02:47:00-08:00 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.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.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.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:2.49.0.1.840.0.3e384f61e5e30bc09e3bf73f0378b067870211cd.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

* WHAT...For the Dense Fog Advisory, visibility one to two miles in dense fog. For the Air Stagnation Advisory in valleys, an extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Lower Treasure Valley Zones. * WHEN...For the Dense Fog Advisory, until 11 AM MST Monday. For the Air Stagnation Advisory, until 9 PM MST Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous especially along Interstate 84 from Fruitland, Idaho through Huntington, Oregon. Dense Fog Advisory 2024-12-01T16:59:00-07:00 2024-12-01T16:59:00-07:00 2024-12-01T16:59:00-07:00 2024-12-02T15:00:00-07:00 Actual Alert Met Expected Moderate Likely Lower Treasure Valley; Oregon Lower Treasure Valley SAME 016027 SAME 016045 SAME 016073 SAME 016075 SAME 016087 SAME 041045 UGC IDZ012 UGC ORZ064 AWIPSidentifier NPWBOI WMOidentifier WWUS75 KBOI 012359 NWSheadline DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM MST MONDAY... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST FRIDAY IN VALLEYS BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KBOI.FG.Y.0014.241201T2359Z-241202T1800Z/ eventEndingTime 2024-12-02T18:00:00+00:00

* WHAT...For the Dense Fog Advisory, visibility one to two miles in dense fog. For the Air Stagnation Advisory in valleys, an extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Lower Treasure Valley Zones. * WHEN...For the Dense Fog Advisory, until 11 AM MST Monday. For the Air Stagnation Advisory, until 9 PM MST Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous especially along Interstate 84 from Fruitland, Idaho through Huntington, Oregon. Air Stagnation Advisory 2024-12-01T16:59:00-07:00 2024-12-01T16:59:00-07:00 2024-12-01T16:59:00-07:00 2024-12-02T15:00:00-07:00 Actual Update Met Expected Moderate Likely Lower Treasure Valley; Oregon Lower Treasure Valley SAME 016027 SAME 016045 SAME 016073 SAME 016075 SAME 016087 SAME 041045 UGC IDZ012 UGC ORZ064 AWIPSidentifier NPWBOI WMOidentifier WWUS75 KBOI 012359 NWSheadline DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM MST MONDAY... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST FRIDAY IN VALLEYS BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KBOI.AS.Y.0002.000000T0000Z-241207T0400Z/ eventEndingTime 2024-12-07T04:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.09939f1f9e601772fbcf0bbf9bfe328716a453c4.002.1,2024-12-01T08:01:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.09939f1f9e601772fbcf0bbf9bfe328716a453c4.001.2,2024-12-01T08:01:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.22e45d1ee25ac3ce7540badf1dd139731c51402c.001.1,2024-11-29T13:11:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.97a2eca6896fedb585f0cf5edc06c1d06a005abf.001.1,2024-11-29T03:02:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.09553975593c16f95b3d5f53d57211095f3a7f57.001.1,2024-11-28T14:15:00-07:00

* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants in valleys. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 9 PM MST /8 PM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-01T16:59:00-07:00 2024-12-01T16:59:00-07:00 2024-12-01T16:59:00-07:00 2024-12-02T15:00:00-07:00 Actual Update Met Expected Moderate Likely West Central Mountains; Boise Mountains; Upper Treasure Valley; Western Magic Valley; Camas Prairie; Upper Weiser River; Harney County; Baker County; Malheur County SAME 016003 SAME 016045 SAME 016085 SAME 016087 SAME 016015 SAME 016025 SAME 016039 SAME 016001 SAME 016073 SAME 016047 SAME 016053 SAME 016083 SAME 041025 SAME 041001 SAME 041045 UGC IDZ011 UGC IDZ013 UGC IDZ014 UGC IDZ016 UGC IDZ028 UGC IDZ033 UGC ORZ061 UGC ORZ062 UGC ORZ063 AWIPSidentifier NPWBOI WMOidentifier WWUS75 KBOI 012359 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST /8 PM PST/ FRIDAY IN VALLEYS BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KBOI.AS.Y.0002.000000T0000Z-241207T0400Z/ eventEndingTime 2024-12-07T04:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.09939f1f9e601772fbcf0bbf9bfe328716a453c4.002.1,2024-12-01T08:01:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.22e45d1ee25ac3ce7540badf1dd139731c51402c.001.1,2024-11-29T13:11:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.97a2eca6896fedb585f0cf5edc06c1d06a005abf.001.1,2024-11-29T03:02:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.09553975593c16f95b3d5f53d57211095f3a7f57.001.1,2024-11-28T14:15:00-07:00

* WHAT...Temperatures of 33 to 36 will result in frost formation. * WHERE...South Central Oregon Coast, including all coastal areas from Port Orford north to around Reedsport as well as the Coquille Valley. * WHEN...From 9 PM this evening to 9 AM PST Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...A few of the typically colder locations could fall to freezing. Frost Advisory 2024-12-01T13:02:00-08:00 2024-12-01T13:02:00-08:00 2024-12-01T21:00:00-08:00 2024-12-02T04:15:00-08:00 Actual Alert Met Expected Minor Likely South Central Oregon Coast SAME 041011 SAME 041015 SAME 041019 UGC ORZ021 AWIPSidentifier NPWMFR WMOidentifier WWUS76 KMFR 012102 NWSheadline FROST ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 9 AM PST MONDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KMFR.FR.Y.0010.241202T0500Z-241202T1700Z/ eventEndingTime 2024-12-02T17:00:00+00:00

* WHAT...A ridge of high pressure will lead to a strong inversion and stagnant air conditions near the surface that will continue to trap pollutants. This could worsen air quality over time. * WHERE...Valley locations across southern Oregon. West of the Cascades, this includes the Umpqua, Illinois, Applegate, and Rogue valleys. East of the Cascades, this includes Klamath Falls, Sprague River, Chiloquin, Chemult, Silver Lake, Paisley, and surrounding areas. * WHEN...Until 4 PM PST Wednesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-01T13:02:00-08:00 2024-12-01T13:02:00-08:00 2024-12-01T13:02:00-08:00 2024-12-02T04:15:00-08:00 Actual Update Met Expected Moderate Likely Central Douglas County; Eastern Curry County and Josephine County; Jackson County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County SAME 041011 SAME 041019 SAME 041015 SAME 041033 SAME 041029 SAME 041035 SAME 041037 UGC ORZ023 UGC ORZ024 UGC ORZ026 UGC ORZ029 UGC ORZ030 UGC ORZ031 AWIPSidentifier NPWMFR WMOidentifier WWUS76 KMFR 012102 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST WEDNESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KMFR.AS.Y.0001.000000T0000Z-241205T0000Z/ eventEndingTime 2024-12-05T00:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c983e2f605cdde96daa980af0b404b7c50e6a841.004.1,2024-12-01T04:20:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c983e2f605cdde96daa980af0b404b7c50e6a841.002.1,2024-12-01T04:20:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5e516d40508b3d2f114c1bac7f4b9d3284a3501b.004.1,2024-12-01T04:10:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5e516d40508b3d2f114c1bac7f4b9d3284a3501b.002.2,2024-12-01T04:10:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5e1a0d77014e0c17b5c15bd86f091783fea1243b.002.1,2024-12-01T03:24:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d86ec03bb3c5f97679cf15b6177bf510c0c994c4.002.1,2024-11-30T13:24:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.01a906ef6a8667afc0ddca03775b4458400e1364.004.1,2024-11-30T11:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.01a906ef6a8667afc0ddca03775b4458400e1364.001.2,2024-11-30T11:50:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5171f89497824428498eb599eb9bbd38382e6e34.004.1,2024-11-30T11:02:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5171f89497824428498eb599eb9bbd38382e6e34.002.1,2024-11-30T11:02:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5171f89497824428498eb599eb9bbd38382e6e34.001.2,2024-11-30T11:02:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2c84c69385c8103e5fa73f3d691ad7267280237e.006.1,2024-11-30T08:43:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2c84c69385c8103e5fa73f3d691ad7267280237e.005.1,2024-11-30T08:43:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2c84c69385c8103e5fa73f3d691ad7267280237e.003.2,2024-11-30T08:43:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f7d7d33cb17a109bd488a03f9a3e62e0f0891846.003.1,2024-11-30T02:20:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.f7d7d33cb17a109bd488a03f9a3e62e0f0891846.002.1,2024-11-30T02:20:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ef9754d3d12c82b4d679466bc6e5fdb06db145ac.006.1,2024-11-30T04:36:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ef9754d3d12c82b4d679466bc6e5fdb06db145ac.004.1,2024-11-30T04:36:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ef9754d3d12c82b4d679466bc6e5fdb06db145ac.002.2,2024-11-30T04:36:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d1f751a2b105f0732c5577dcd3952429b725f294.004.1,2024-11-30T03:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d1f751a2b105f0732c5577dcd3952429b725f294.003.1,2024-11-30T03:37:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.0bb3a3f5dde75e6ef2bdf0bfee30ecea1beccfe2.003.1,2024-11-29T16:53:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.0bb3a3f5dde75e6ef2bdf0bfee30ecea1beccfe2.002.2,2024-11-29T16:53:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1294077ece7e9110efc8f73ea2f811f86b3cbe7a.002.1,2024-11-29T15:46:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8ffaac7b62e66d2438403040cf7777c71172f13d.002.1,2024-11-29T13:56:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.bfa3fc0616eaf09d7197914df2de629fbb5ee08c.002.1,2024-11-29T10:55:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.bfa3fc0616eaf09d7197914df2de629fbb5ee08c.001.1,2024-11-29T10:55:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ef8a64c86a80a2b12d9634eb097a5c6094212aaa.001.1,2024-11-29T11:15:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.4c817e3c495f6f15fef7bfa33ce72f6c90c36fd8.002.1,2024-11-29T09:09:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.51e4ae1fd4e4763c756cf250b06303fd21dd1332.002.1,2024-11-29T02:09:00-08:00

* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants in valleys. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 9 PM MST /8 PM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-01T13:51:00-07:00 2024-12-01T13:51:00-07:00 2024-12-01T13:51:00-07:00 2024-12-02T15:00:00-07:00 Actual Update Met Expected Moderate Likely West Central Mountains; Lower Treasure Valley; Boise Mountains; Upper Treasure Valley; Western Magic Valley; Camas Prairie; Upper Weiser River; Harney County; Baker County; Malheur County SAME 016003 SAME 016045 SAME 016085 SAME 016087 SAME 016027 SAME 016073 SAME 016075 SAME 016015 SAME 016025 SAME 016039 SAME 016001 SAME 016047 SAME 016053 SAME 016083 SAME 041025 SAME 041001 SAME 041045 UGC IDZ011 UGC IDZ012 UGC IDZ013 UGC IDZ014 UGC IDZ016 UGC IDZ028 UGC IDZ033 UGC ORZ061 UGC ORZ062 UGC ORZ063 AWIPSidentifier NPWBOI WMOidentifier WWUS75 KBOI 012051 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST /8 PM PST/ FRIDAY IN VALLEYS BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KBOI.AS.Y.0002.000000T0000Z-241207T0400Z/ eventEndingTime 2024-12-07T04:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.22e45d1ee25ac3ce7540badf1dd139731c51402c.001.1,2024-11-29T13:11:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.97a2eca6896fedb585f0cf5edc06c1d06a005abf.001.1,2024-11-29T03:02:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.09553975593c16f95b3d5f53d57211095f3a7f57.001.1,2024-11-28T14:15:00-07:00

* WHAT...Dense fog has decreased this afternoon, but areas of lighter fog will continue through the afternoon and evening, then become dense again late tonight and Monday. An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants in valleys. * WHERE...Oregon Lower Treasure Valley. * WHEN...Until 9 PM MST Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-01T13:51:00-07:00 2024-12-01T13:51:00-07:00 2024-12-01T13:51:00-07:00 2024-12-02T15:00:00-07:00 Actual Update Met Expected Moderate Likely Oregon Lower Treasure Valley SAME 041045 UGC ORZ064 AWIPSidentifier NPWBOI WMOidentifier WWUS75 KBOI 012051 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST FRIDAY IN VALLEYS... ...DENSE FOG ADVISORY WILL EXPIRE AT 2 PM MST THIS AFTERNOON BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KBOI.AS.Y.0002.000000T0000Z-241207T0400Z/ eventEndingTime 2024-12-07T04:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.22e45d1ee25ac3ce7540badf1dd139731c51402c.001.1,2024-11-29T13:11:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.97a2eca6896fedb585f0cf5edc06c1d06a005abf.001.1,2024-11-29T03:02:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.09553975593c16f95b3d5f53d57211095f3a7f57.001.1,2024-11-28T14:15:00-07:00

* WHAT...A high risk of sneaker waves is expected. * WHERE...All beaches and shorelines of Douglas, Coos, and Curry counties. * WHEN...Until 5 PM PST this afternoon. * IMPACTS...Sneaker waves can run up significantly farther on beaches than normal, including over rocks and jetties. These waves can suddenly knock people off of their feet and quickly pull them into the cold ocean waters, resulting in serious injury or death. Waves may also lift driftwood logs, trapping anyone caught underneath. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr Beach Hazards Statement 2024-12-01T12:44:00-08:00 2024-12-01T12:44:00-08:00 2024-12-01T12:44:00-08:00 2024-12-01T17:00:00-08:00 Actual Update Met Expected Moderate Likely South Central Oregon Coast; Curry County Coast SAME 041011 SAME 041015 SAME 041019 UGC ORZ021 UGC ORZ022 AWIPSidentifier CFWMFR WMOidentifier WHUS46 KMFR 012044 NWSheadline BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 5 PM PST THIS AFTERNOON BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXT.KMFR.BH.S.0007.000000T0000Z-241202T0100Z/ eventEndingTime 2024-12-02T01:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7d19d10ceba89d9f3389407951b543a43b6a014b.001.1,2024-12-01T03:28:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.01d72e0146b35ce04aba9464b5a96a79a730881c.001.1,2024-11-30T07:00:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.cde07637d484fc789069dcb4ceaedc25f2cbf5b2.001.1,2024-11-29T11:28:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d8edd52882e45f85a4482cd9462071335f2dac95.001.1,2024-11-29T03:20:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.9e0e7e1d8652841c5edd27cbb212764c180476e8.001.1,2024-11-28T14:16:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.817308dd16fc5ec7c2cf36f7e2de83f6763077c2.001.1,2024-11-28T03:21:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.74a2a38ab73cd92e14e8989173addb92ef12e715.001.1,2024-11-27T14:38:00-08:00

* 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 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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...A high risk of sneaker waves is expected. * WHERE...All beaches and shorelines of Douglas, Coos, and Curry counties. * WHEN...Until 1 PM PST this afternoon. * IMPACTS...Sneaker waves can run up significantly farther on beaches than normal, including over rocks and jetties. These waves can suddenly knock people off of their feet and quickly pull them into the cold ocean waters, resulting in serious injury or death. Waves may also lift driftwood logs, trapping anyone caught underneath. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr Beach Hazards Statement 2024-12-01T11:23:00-08:00 2024-12-01T11:23:00-08:00 2024-12-01T11:23:00-08:00 2024-12-01T13:00:00-08:00 Actual Update Met Expected Moderate Likely South Central Oregon Coast; Curry County Coast SAME 041011 SAME 041015 SAME 041019 UGC ORZ021 UGC ORZ022 AWIPSidentifier CFWMFR WMOidentifier WHUS46 KMFR 011923 NWSheadline BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KMFR.BH.S.0007.000000T0000Z-241201T2100Z/ eventEndingTime 2024-12-01T21:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.01d72e0146b35ce04aba9464b5a96a79a730881c.001.1,2024-11-30T07:00:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.cde07637d484fc789069dcb4ceaedc25f2cbf5b2.001.1,2024-11-29T11:28:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d8edd52882e45f85a4482cd9462071335f2dac95.001.1,2024-11-29T03:20:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.9e0e7e1d8652841c5edd27cbb212764c180476e8.001.1,2024-11-28T14:16:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.817308dd16fc5ec7c2cf36f7e2de83f6763077c2.001.1,2024-11-28T03:21:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.74a2a38ab73cd92e14e8989173addb92ef12e715.001.1,2024-11-27T14:38:00-08:00