NOAA Current Watches

* WHAT...For the Air Stagnation Advisory, 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. For the Dense Fog Advisory, visibility less than one mile in dense fog. * WHERE...Portions of southwest and west central Idaho and southeast Oregon. * WHEN...For the Air Stagnation Advisory, until 2 PM MST Thursday. For the Dense Fog Advisory, until noon MST Tuesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. Air Stagnation Advisory 2024-12-09T22:27:00-07:00 2024-12-09T22:27:00-07:00 2024-12-09T22:27:00-07:00 2024-12-10T12:15:00-07:00 Actual Update Met Expected Moderate Likely Lower Treasure Valley; Upper Treasure Valley; Upper Weiser River; Oregon Lower Treasure Valley SAME 016027 SAME 016045 SAME 016073 SAME 016075 SAME 016087 SAME 016001 SAME 016039 SAME 016003 SAME 041045 UGC IDZ012 UGC IDZ014 UGC IDZ033 UGC ORZ064 AWIPSidentifier NPWBOI WMOidentifier WWUS75 KBOI 100527 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THURSDAY... ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON MST TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KBOI.AS.Y.0003.000000T0000Z-241212T2100Z/ eventEndingTime 2024-12-12T21:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.cc2f108361d56bdb5b9b7c5b912486006c82a1de.001.1,2024-12-09T03:14:00-07:00

* 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. * WHERE...Portions of southwest and west central Idaho and northeast and southeast Oregon. * WHEN...Until 2 PM MST /1 PM PST/ Thursday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-09T22:27:00-07:00 2024-12-09T22:27:00-07:00 2024-12-09T22:27:00-07:00 2024-12-10T12:15:00-07:00 Actual Update Met Expected Moderate Likely West Central Mountains; Boise Mountains; Camas Prairie; Owyhee Mountains; Harney County; Baker County; Malheur County SAME 016003 SAME 016045 SAME 016085 SAME 016087 SAME 016015 SAME 016025 SAME 016039 SAME 016073 SAME 041025 SAME 041001 SAME 041045 UGC IDZ011 UGC IDZ013 UGC IDZ028 UGC IDZ029 UGC ORZ061 UGC ORZ062 UGC ORZ063 AWIPSidentifier NPWBOI WMOidentifier WWUS75 KBOI 100527 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST /1 PM PST/ THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KBOI.AS.Y.0003.000000T0000Z-241212T2100Z/ eventEndingTime 2024-12-12T21:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.cc2f108361d56bdb5b9b7c5b912486006c82a1de.002.1,2024-12-09T03:14:00-07:00

* WHAT...Visibility one quarter to one half mile in areas of dense fog and localized freezing fog. * WHERE...Southwest Interior. * WHEN...Until 10 AM PST Tuesday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Areas of sub-freezing temperatures into Tuesday morning may cause localized freezing fog. Dense Fog Advisory 2024-12-09T20:11:00-08:00 2024-12-09T20:11:00-08:00 2024-12-09T20:11:00-08:00 2024-12-10T10:00:00-08:00 Actual Alert Met Expected Moderate Likely Southwest Interior SAME 053041 SAME 053067 UGC WAZ504 AWIPSidentifier NPWSEW WMOidentifier WWUS76 KSEW 100411 NWSheadline DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM PST TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KSEW.FG.Y.0005.241210T0411Z-241210T1800Z/ eventEndingTime 2024-12-10T18:00:00+00:00

* WHAT...Visibility one quarter to one half mile in dense freezing fog. * WHERE...Harrington, Ritzville, Badger Mountain Road, Coulee City, Odessa, Wilbur, Waterville, Creston, Mansfield, and Grand Coulee. * WHEN...Until noon PST Tuesday. * IMPACTS...Low visibility could make driving conditions hazardous. In addition, below freezing temperatures could result in slick roadways. Dense Fog Advisory 2024-12-09T20:09:00-08:00 2024-12-09T20:09:00-08:00 2024-12-09T20:09:00-08:00 2024-12-10T07:00:00-08:00 Actual Alert Met Expected Moderate Likely Upper Columbia Basin; Waterville Plateau SAME 053001 SAME 053017 SAME 053025 SAME 053043 SAME 053047 UGC WAZ035 UGC WAZ044 AWIPSidentifier NPWOTX WMOidentifier WWUS76 KOTX 100409 NWSheadline DENSE FOG ADVISORY IN EFFECT UNTIL NOON PST TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KOTX.FG.Y.0014.241210T0409Z-241210T2000Z/ eventEndingTime 2024-12-10T20:00:00+00:00

* WHAT...Visibility at 1 mile or less with areas of quarter mile or less * WHERE...Lower Columbia Basin of Oregon and Washington, Eastern Columbia River Gorge of Oregon between Arlington and Boardman, Northern Blue Mountains of Oregon, primarily along the I-84 Corridor, Foothills of the Northern Blue Mountains of Oregon primarily along the I-84 Corridor, and Foothills of the Blue Mountains of Washington along Hwy 12. * WHEN...Until 10 PM PST this evening. * IMPACTS...Low visibility could make driving conditions hazardous. Dense Fog Advisory 2024-12-09T18:53:00-08:00 2024-12-09T18:53:00-08:00 2024-12-09T19:00:00-08:00 2024-12-09T22:00:00-08:00 Actual Alert Met Expected Moderate Likely Eastern Columbia River Gorge of Oregon; Lower Columbia Basin of Oregon; Northern Blue Mountains of Oregon; Foothills of the Northern Blue Mountains of Oregon; Lower Columbia Basin of Washington; Foothills of the Blue Mountains of Washington SAME 041021 SAME 041055 SAME 041065 SAME 041049 SAME 041059 SAME 041061 SAME 041063 SAME 053005 SAME 053021 SAME 053039 SAME 053071 SAME 053013 UGC ORZ041 UGC ORZ044 UGC ORZ502 UGC ORZ507 UGC WAZ028 UGC WAZ029 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 100253 NWSheadline DENSE FOG ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KPDT.FG.Y.0020.241210T0300Z-241210T0600Z/ eventEndingTime 2024-12-10T06:00:00+00:00

* WHAT...Visibility at 1 mile or less with areas of quarter mile or less * WHERE...Lower Columbia Basin of Oregon and Washington, Eastern Columbia River Gorge of Oregon between Arlington and Boardman, Northern Blue Mountains of Oregon, primarily along the I-84 Corridor, Foothills of the Northern Blue Mountains of Oregon primarily along the I-84 Corridor, and Foothills of the Blue Mountains of Washington along Hwy 12. * WHEN...Until 10 PM PST this evening. * IMPACTS...Low visibility could make driving conditions hazardous. Dense Fog Advisory 2024-12-09T18:53:00-08:00 2024-12-09T18:53:00-08:00 2024-12-09T19:00:00-08:00 2024-12-09T22:00:00-08:00 Actual Alert Met Expected Moderate Likely Eastern Columbia River Gorge of Oregon; Lower Columbia Basin of Oregon; Northern Blue Mountains of Oregon; Foothills of the Northern Blue Mountains of Oregon; Lower Columbia Basin of Washington; Foothills of the Blue Mountains of Washington SAME 041021 SAME 041055 SAME 041065 SAME 041049 SAME 041059 SAME 041061 SAME 041063 SAME 053005 SAME 053021 SAME 053039 SAME 053071 SAME 053013 UGC ORZ041 UGC ORZ044 UGC ORZ502 UGC ORZ507 UGC WAZ028 UGC WAZ029 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 100253 NWSheadline DENSE FOG ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KPDT.FG.Y.0020.241210T0300Z-241210T0600Z/ eventEndingTime 2024-12-10T06:00:00+00:00

* WHAT...For the Air Stagnation Advisory, 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. For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. * WHERE...Lower Treasure Valley Zones, and Upper Weiser River. * WHEN...For the Air Stagnation Advisory, until 2 PM MST Thursday. For the Dense Fog Advisory, until noon MST Tuesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. Dense Fog Advisory 2024-12-09T19:30:00-07:00 2024-12-09T19:30:00-07:00 2024-12-09T19:30:00-07:00 2024-12-10T03:30:00-07:00 Actual Update Met Expected Moderate Likely Lower Treasure Valley; Upper Weiser River; Oregon Lower Treasure Valley SAME 016027 SAME 016045 SAME 016073 SAME 016075 SAME 016087 SAME 016003 SAME 041045 UGC IDZ012 UGC IDZ033 UGC ORZ064 AWIPSidentifier NPWBOI WMOidentifier WWUS75 KBOI 100230 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THURSDAY... ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON MST TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KBOI.FG.Y.0018.000000T0000Z-241210T1900Z/ eventEndingTime 2024-12-10T19:00:00+00:00

* 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. * WHERE...Portions of southwest and west central Idaho and northeast and southeast Oregon. * WHEN...Until 2 PM MST /1 PM PST/ Thursday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-09T19:30:00-07:00 2024-12-09T19:30:00-07:00 2024-12-09T19:30:00-07:00 2024-12-10T03:30:00-07:00 Actual Update Met Expected Moderate Likely West Central Mountains; Boise Mountains; Camas Prairie; Owyhee Mountains; Harney County; Baker County; Malheur County SAME 016003 SAME 016045 SAME 016085 SAME 016087 SAME 016015 SAME 016025 SAME 016039 SAME 016073 SAME 041025 SAME 041001 SAME 041045 UGC IDZ011 UGC IDZ013 UGC IDZ028 UGC IDZ029 UGC ORZ061 UGC ORZ062 UGC ORZ063 AWIPSidentifier NPWBOI WMOidentifier WWUS75 KBOI 100230 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST /1 PM PST/ THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KBOI.AS.Y.0003.000000T0000Z-241212T2100Z/ eventEndingTime 2024-12-12T21:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.cc2f108361d56bdb5b9b7c5b912486006c82a1de.002.1,2024-12-09T03:14:00-07:00

* WHAT...For the Air Stagnation Advisory, 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. For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. * WHERE...Lower Treasure Valley Zones, and Upper Weiser River. * WHEN...For the Air Stagnation Advisory, until 2 PM MST Thursday. For the Dense Fog Advisory, until noon MST Tuesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. Air Stagnation Advisory 2024-12-09T19:30:00-07:00 2024-12-09T19:30:00-07:00 2024-12-09T19:30:00-07:00 2024-12-10T03:30:00-07:00 Actual Update Met Expected Moderate Likely Lower Treasure Valley; Upper Weiser River; Oregon Lower Treasure Valley SAME 016027 SAME 016045 SAME 016073 SAME 016075 SAME 016087 SAME 016003 SAME 041045 UGC IDZ012 UGC IDZ033 UGC ORZ064 AWIPSidentifier NPWBOI WMOidentifier WWUS75 KBOI 100230 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THURSDAY... ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON MST TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KBOI.AS.Y.0003.000000T0000Z-241212T2100Z/ eventEndingTime 2024-12-12T21:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.cc2f108361d56bdb5b9b7c5b912486006c82a1de.001.1,2024-12-09T03:14:00-07:00

Fog to heavy fog has begun to form along the I-84 corridor between Arlington through Stanfield becoming progressively thicker as you move east. Fog is slowly progressing eastward and is expected to reach Pendleton. Fog has also been observed just north of the Tri-Cities along the 395 as well as along the I-82 through Coffin RD and steadily moving towards the city area. Visibilities range from 1 mile to less than 1/4 of a mile. Please drive with caution. Special Weather Statement 2024-12-09T16:49:00-08:00 2024-12-09T16:49:00-08:00 2024-12-09T16:49:00-08:00 2024-12-09T20:00:00-08:00 Actual Alert Met Expected Moderate Observed Eastern Columbia River Gorge of Oregon; Lower Columbia Basin of Oregon; Lower Columbia Basin of Washington SAME 041021 SAME 041055 SAME 041065 SAME 041049 SAME 041059 SAME 053005 SAME 053021 SAME 053039 SAME 053071 UGC ORZ041 UGC ORZ044 UGC WAZ028 AWIPSidentifier SPSPDT WMOidentifier WWUS86 KPDT 100049 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR

Fog to heavy fog has begun to form along the I-84 corridor between Arlington through Stanfield becoming progressively thicker as you move east. Fog is slowly progressing eastward and is expected to reach Pendleton. Fog has also been observed just north of the Tri-Cities along the 395 as well as along the I-82 through Coffin RD and steadily moving towards the city area. Visibilities range from 1 mile to less than 1/4 of a mile. Please drive with caution. Special Weather Statement 2024-12-09T16:49:00-08:00 2024-12-09T16:49:00-08:00 2024-12-09T16:49:00-08:00 2024-12-09T20:00:00-08:00 Actual Alert Met Expected Moderate Observed Eastern Columbia River Gorge of Oregon; Lower Columbia Basin of Oregon; Lower Columbia Basin of Washington SAME 041021 SAME 041055 SAME 041065 SAME 041049 SAME 041059 SAME 053005 SAME 053021 SAME 053039 SAME 053071 UGC ORZ041 UGC ORZ044 UGC WAZ028 AWIPSidentifier SPSPDT WMOidentifier WWUS86 KPDT 100049 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR

* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory, 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, and Upper Weiser River. * WHEN...For the Dense Fog Advisory, until noon MST Tuesday. For the Air Stagnation Advisory, until 2 PM MST Thursday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. Dense Fog Advisory 2024-12-09T17:24:00-07:00 2024-12-09T17:24:00-07:00 2024-12-09T17:24:00-07:00 2024-12-10T12:00:00-07:00 Actual Alert Met Expected Moderate Likely Lower Treasure Valley; Upper Weiser River; Oregon Lower Treasure Valley SAME 016027 SAME 016045 SAME 016073 SAME 016075 SAME 016087 SAME 016003 SAME 041045 UGC IDZ012 UGC IDZ033 UGC ORZ064 AWIPSidentifier NPWBOI WMOidentifier WWUS75 KBOI 100024 NWSheadline DENSE FOG ADVISORY IN EFFECT UNTIL NOON MST TUESDAY... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KBOI.FG.Y.0018.241210T0024Z-241210T1900Z/ eventEndingTime 2024-12-10T19:00:00+00:00

* 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. * WHERE...Portions of southwest and west central Idaho and northeast and southeast Oregon. * WHEN...Until 2 PM MST /1 PM PST/ Thursday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-09T17:24:00-07:00 2024-12-09T17:24:00-07:00 2024-12-09T17:24:00-07:00 2024-12-10T12:00:00-07:00 Actual Update Met Expected Moderate Likely West Central Mountains; Boise Mountains; Upper Treasure Valley; Camas Prairie; Owyhee Mountains; 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 041025 SAME 041001 SAME 041045 UGC IDZ011 UGC IDZ013 UGC IDZ014 UGC IDZ028 UGC IDZ029 UGC ORZ061 UGC ORZ062 UGC ORZ063 AWIPSidentifier NPWBOI WMOidentifier WWUS75 KBOI 100024 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST /1 PM PST/ THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KBOI.AS.Y.0003.000000T0000Z-241212T2100Z/ eventEndingTime 2024-12-12T21:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.cc2f108361d56bdb5b9b7c5b912486006c82a1de.002.1,2024-12-09T03:14:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.cc2f108361d56bdb5b9b7c5b912486006c82a1de.001.1,2024-12-09T03:14:00-07:00

* WHAT...For the Dense Fog Advisory, visibility one quarter mile or less in dense fog. For the Air Stagnation Advisory, 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, and Upper Weiser River. * WHEN...For the Dense Fog Advisory, until noon MST Tuesday. For the Air Stagnation Advisory, until 2 PM MST Thursday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. Air Stagnation Advisory 2024-12-09T17:24:00-07:00 2024-12-09T17:24:00-07:00 2024-12-09T17:24:00-07:00 2024-12-10T12:00:00-07:00 Actual Update Met Expected Moderate Likely Lower Treasure Valley; Upper Weiser River; Oregon Lower Treasure Valley SAME 016027 SAME 016045 SAME 016073 SAME 016075 SAME 016087 SAME 016003 SAME 041045 UGC IDZ012 UGC IDZ033 UGC ORZ064 AWIPSidentifier NPWBOI WMOidentifier WWUS75 KBOI 100024 NWSheadline DENSE FOG ADVISORY IN EFFECT UNTIL NOON MST TUESDAY... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KBOI.AS.Y.0003.000000T0000Z-241212T2100Z/ eventEndingTime 2024-12-12T21:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.cc2f108361d56bdb5b9b7c5b912486006c82a1de.001.1,2024-12-09T03:14:00-07:00

* WHAT...A moderate risk of sneaker waves is expected. * WHERE...The beaches and shorelines of Curry, Coos, and Douglas counties. * WHEN...From Monday evening through Tuesday 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 2024-12-09T13:52:00-08:00 2024-12-09T13:52:00-08:00 2024-12-09T22:00:00-08:00 2024-12-10T04:00:00-08:00 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 092152 NWSheadline BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 10 PM PST THIS EVENING THROUGH TUESDAY AFTERNOON BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KMFR.BH.S.0009.241210T0600Z-241211T0000Z/ eventEndingTime 2024-12-11T00:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1e826a6c90ed4409d5d87d959b56288c8428eee4.001.1,2024-12-08T22:11:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.daa01733021f41d65253afd744fccb26f87b248a.001.1,2024-12-08T14:05:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.940f5f86eed55e628ee337d8c389470a3611af95.001.1,2024-12-08T06:51:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1f941f075cc1e6c2eb0a44de53db963e281056fc.001.1,2024-12-07T12:59:00-08:00

* WHAT...Visibility has improved but patches of dense fog will continue until early afternoon. 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...Portions of southwest and west central Idaho and southeast Oregon. * WHEN...Until 2 PM MST Thursday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-09T11:03:00-07:00 2024-12-09T11:03:00-07:00 2024-12-09T11:03:00-07:00 2024-12-10T06:15:00-07:00 Actual Update Met Expected Moderate Likely Lower Treasure Valley; Upper Treasure Valley; Upper Weiser River; Oregon Lower Treasure Valley SAME 016027 SAME 016045 SAME 016073 SAME 016075 SAME 016087 SAME 016001 SAME 016039 SAME 016003 SAME 041045 UGC IDZ012 UGC IDZ014 UGC IDZ033 UGC ORZ064 AWIPSidentifier NPWBOI WMOidentifier WWUS75 KBOI 091803 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THURSDAY... ...DENSE FOG ADVISORY IS CANCELLED BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KBOI.AS.Y.0003.000000T0000Z-241212T2100Z/ eventEndingTime 2024-12-12T21:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.cc2f108361d56bdb5b9b7c5b912486006c82a1de.001.1,2024-12-09T03:14:00-07:00

* 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. * WHERE...Portions of southwest and west central Idaho and northeast and southeast Oregon. * WHEN...Until 2 PM MST /1 PM PST/ Thursday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-09T11:03:00-07:00 2024-12-09T11:03:00-07:00 2024-12-09T11:03:00-07:00 2024-12-10T06:15:00-07:00 Actual Update Met Expected Moderate Likely West Central Mountains; Boise Mountains; Camas Prairie; Owyhee Mountains; Harney County; Baker County; Malheur County SAME 016003 SAME 016045 SAME 016085 SAME 016087 SAME 016015 SAME 016025 SAME 016039 SAME 016073 SAME 041025 SAME 041001 SAME 041045 UGC IDZ011 UGC IDZ013 UGC IDZ028 UGC IDZ029 UGC ORZ061 UGC ORZ062 UGC ORZ063 AWIPSidentifier NPWBOI WMOidentifier WWUS75 KBOI 091803 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST /1 PM PST/ THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KBOI.AS.Y.0003.000000T0000Z-241212T2100Z/ eventEndingTime 2024-12-12T21:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.cc2f108361d56bdb5b9b7c5b912486006c82a1de.002.1,2024-12-09T03:14:00-07:00

Patchy dense freezing fog with near zero visibility has been reported in the Columbia Basin this morning. Fog is particularly dense along Interstate 90 around Ritzville, US-2 between Wilbur and Coulee City, and WA-243 from Vantage to Desert Aire. Expect rapid changes in visibility in this area. Use extra caution, reduce speeds, and allow extra travel time. Fog is expected to lift this afternoon. Special Weather Statement 2024-12-09T09:53:00-08:00 2024-12-09T09:53:00-08:00 2024-12-09T09:53:00-08:00 2024-12-09T13:00:00-08:00 Actual Alert Met Expected Moderate Observed Moses Lake Area; Upper Columbia Basin SAME 053001 SAME 053025 SAME 053017 SAME 053043 SAME 053047 UGC WAZ034 UGC WAZ035 AWIPSidentifier SPSOTX WMOidentifier WWUS86 KOTX 091753 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...South Willamette Valley, and Central Oregon Coast Range Lowlands. * WHEN...Until noon PST today. * IMPACTS...Low visibility could make driving conditions hazardous. Dense Fog Advisory 2024-12-09T08:01:00-08:00 2024-12-09T08:01:00-08:00 2024-12-09T08:01:00-08:00 2024-12-09T12:00:00-08:00 Actual Update Met Expected Moderate Likely Central Oregon Coast Range Lowlands; Benton County Lowlands; Linn County Lowlands; Lane County Lowlands SAME 041039 SAME 041041 SAME 041003 SAME 041053 SAME 041043 UGC ORZ105 UGC ORZ116 UGC ORZ117 UGC ORZ118 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 091601 NWSheadline DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.FG.Y.0041.000000T0000Z-241209T2000Z/ eventEndingTime 2024-12-09T20:00:00+00:00

* WHAT...A moderate risk of sneaker waves is expected. * WHERE...The beaches and shorelines of Curry, Coos, and Douglas counties. * WHEN...From Monday evening through Tuesday 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 2024-12-09T02:27:00-08:00 2024-12-09T02:27:00-08:00 2024-12-09T22:00:00-08:00 2024-12-09T16:00:00-08:00 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 091027 NWSheadline BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM THIS EVENING THROUGH TUESDAY AFTERNOON BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KMFR.BH.S.0009.241210T0600Z-241211T0000Z/ eventEndingTime 2024-12-11T00:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.daa01733021f41d65253afd744fccb26f87b248a.001.1,2024-12-08T14:05:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.940f5f86eed55e628ee337d8c389470a3611af95.001.1,2024-12-08T06:51:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1f941f075cc1e6c2eb0a44de53db963e281056fc.001.1,2024-12-07T12:59:00-08:00