NOAA Current Watches

* WHAT...Mixed precipitation expected. Ice accumulations around a glaze to one tenth of an inch. * WHERE...Foothills of the Blue Mountains of Oregon. * WHEN...From 10 PM this evening to noon PST Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Even light ice can cause dangerous driving conditions due to slippery roads. The hazardous conditions could impact the Thursday morning commute. Winter Weather Advisory 2024-12-11T02:06:00-08:00 2024-12-11T02:06:00-08:00 2024-12-11T22:00:00-08:00 2024-12-11T15:00:00-08:00 Actual Alert Met Expected Moderate Likely Foothills of the Northern Blue Mountains of Oregon; Foothills of the Southern Blue Mountains of Oregon SAME 041059 SAME 041021 SAME 041049 SAME 041069 UGC ORZ507 UGC ORZ508 AWIPSidentifier WSWPDT WMOidentifier WWUS46 KPDT 111006 NWSheadline WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO NOON PST THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KPDT.WW.Y.0032.241212T0600Z-241212T2000Z/ eventEndingTime 2024-12-12T20:00:00+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...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 today. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Snow flurries are possible through the morning commute making for slick road conditions. Dense Fog Advisory 2024-12-11T02:03:00-07:00 2024-12-11T02:03:00-07:00 2024-12-11T02:03:00-07:00 2024-12-11T12:15:00-07:00 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 110903 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THURSDAY... ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KBOI.FG.Y.0019.000000T0000Z-241211T1900Z/ eventEndingTime 2024-12-11T19:00:00+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 2024-12-11T02:03:00-07:00 2024-12-11T02:03:00-07:00 2024-12-11T02:03:00-07:00 2024-12-11T12:15:00-07:00 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 110903 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:2.49.0.1.840.0.495df4b784b2e1770c96b260aab5ec8f389596fd.002.1,2024-12-09T22:27:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.b729ea10ac69eb952935184a17cd7b9bb21e3590.002.1,2024-12-10T03:19:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.46816e2885aac79ef005a811b7ae58be1101f49e.002.1,2024-12-09T17:24:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c3caa9d858e903aecebf1b66842fcee943b1ddcb.002.1,2024-12-09T11:03:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.fdb7c0f2251750244de90be3436d17b5b60ae037.002.1,2024-12-09T09:23:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.78c41538472e3984318a6f3e98634c872473209b.003.1,2024-12-09T19:30:00-07:00 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...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 today. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Snow flurries are possible through the morning commute making for slick road conditions. Air Stagnation Advisory 2024-12-11T02:03:00-07:00 2024-12-11T02:03:00-07:00 2024-12-11T02:03:00-07:00 2024-12-11T12:15:00-07:00 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 110903 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THURSDAY... ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY 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:2.49.0.1.840.0.495df4b784b2e1770c96b260aab5ec8f389596fd.001.1,2024-12-09T22:27:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.b729ea10ac69eb952935184a17cd7b9bb21e3590.001.1,2024-12-10T03:19:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.46816e2885aac79ef005a811b7ae58be1101f49e.002.1,2024-12-09T17:24:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.46816e2885aac79ef005a811b7ae58be1101f49e.001.2,2024-12-09T17:24:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c3caa9d858e903aecebf1b66842fcee943b1ddcb.001.2,2024-12-09T11:03:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.fdb7c0f2251750244de90be3436d17b5b60ae037.001.2,2024-12-09T09:23:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.78c41538472e3984318a6f3e98634c872473209b.002.1,2024-12-09T19:30:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.78c41538472e3984318a6f3e98634c872473209b.001.2,2024-12-09T19:30:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.cc2f108361d56bdb5b9b7c5b912486006c82a1de.001.1,2024-12-09T03:14:00-07:00

* WHAT...Visibility one quarter to one half mile in freezing fog. * WHERE...Foothills of the Blue Mountains of Oregon and Washington, North Central Oregon, Kittitas Valley, and Simcoe Highlands. * WHEN...Until noon PST Wednesday. * IMPACTS...Low visibility could make driving conditions hazardous. Freezing Fog Advisory 2024-12-10T21:59:00-08:00 2024-12-10T21:59:00-08:00 2024-12-10T21:59:00-08:00 2024-12-11T07:30:00-08:00 Actual Update Met Expected Moderate Likely Foothills of the Northern Blue Mountains of Oregon; Foothills of the Southern Blue Mountains of Oregon; North Central Oregon; Kittitas Valley; Foothills of the Blue Mountains of Washington; Simcoe Highlands SAME 041059 SAME 041021 SAME 041049 SAME 041069 SAME 041055 SAME 041065 SAME 053037 SAME 053077 SAME 053013 SAME 053071 SAME 053039 UGC ORZ507 UGC ORZ508 UGC ORZ510 UGC WAZ026 UGC WAZ029 UGC WAZ521 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 110559 NWSheadline FREEZING FOG ADVISORY REMAINS IN EFFECT UNTIL NOON PST WEDNESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.ZF.Y.0012.000000T0000Z-241211T2000Z/ eventEndingTime 2024-12-11T20:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7c7a85110c3aeea1ada2bed3ccaad4365a050889.002.1,2024-12-10T11:42:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6de5a556fd39ace7c9c6af16bf55520222be55c1.003.1,2024-12-10T07:44:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6de5a556fd39ace7c9c6af16bf55520222be55c1.001.1,2024-12-10T07:44:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a611c8ac0815ce5c005e88869405be34cbc5b836.001.1,2024-12-10T02:50:00-08:00

* WHAT...Visibility one quarter to one half mile in freezing fog. * WHERE...Foothills of the Blue Mountains of Oregon and Washington, North Central Oregon, Kittitas Valley, and Simcoe Highlands. * WHEN...Until noon PST Wednesday. * IMPACTS...Low visibility could make driving conditions hazardous. Freezing Fog Advisory 2024-12-10T21:59:00-08:00 2024-12-10T21:59:00-08:00 2024-12-10T21:59:00-08:00 2024-12-11T07:30:00-08:00 Actual Update Met Expected Moderate Likely Foothills of the Northern Blue Mountains of Oregon; Foothills of the Southern Blue Mountains of Oregon; North Central Oregon; Kittitas Valley; Foothills of the Blue Mountains of Washington; Simcoe Highlands SAME 041059 SAME 041021 SAME 041049 SAME 041069 SAME 041055 SAME 041065 SAME 053037 SAME 053077 SAME 053013 SAME 053071 SAME 053039 UGC ORZ507 UGC ORZ508 UGC ORZ510 UGC WAZ026 UGC WAZ029 UGC WAZ521 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 110559 NWSheadline FREEZING FOG ADVISORY REMAINS IN EFFECT UNTIL NOON PST WEDNESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.ZF.Y.0012.000000T0000Z-241211T2000Z/ eventEndingTime 2024-12-11T20:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7c7a85110c3aeea1ada2bed3ccaad4365a050889.002.1,2024-12-10T11:42:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6de5a556fd39ace7c9c6af16bf55520222be55c1.003.1,2024-12-10T07:44:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6de5a556fd39ace7c9c6af16bf55520222be55c1.001.1,2024-12-10T07:44:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a611c8ac0815ce5c005e88869405be34cbc5b836.001.1,2024-12-10T02:50:00-08:00

* 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...Portions of southwest and west central Idaho and southeast Oregon. * WHEN...For the Dense Fog Advisory, until noon MST Wednesday. 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. * ADDITIONAL DETAILS...Areas of light snow will also occur with the fog, making roads locally slick. Dense Fog Advisory 2024-12-10T18:17:00-07:00 2024-12-10T18:17:00-07:00 2024-12-10T18:17:00-07:00 2024-12-11T06:15:00-07:00 Actual Alert 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 110117 NWSheadline DENSE FOG ADVISORY IN EFFECT UNTIL NOON MST WEDNESDAY... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KBOI.FG.Y.0019.241211T0117Z-241211T1900Z/ eventEndingTime 2024-12-11T19:00:00+00:00

* 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...Portions of southwest and west central Idaho and southeast Oregon. * WHEN...For the Dense Fog Advisory, until noon MST Wednesday. 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. * ADDITIONAL DETAILS...Areas of light snow will also occur with the fog, making roads locally slick. Air Stagnation Advisory 2024-12-10T18:17:00-07:00 2024-12-10T18:17:00-07:00 2024-12-10T18:17:00-07:00 2024-12-11T06:15:00-07:00 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 110117 NWSheadline DENSE FOG ADVISORY IN EFFECT UNTIL NOON MST WEDNESDAY... ...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:2.49.0.1.840.0.495df4b784b2e1770c96b260aab5ec8f389596fd.001.1,2024-12-09T22:27:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.b729ea10ac69eb952935184a17cd7b9bb21e3590.001.1,2024-12-10T03:19:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.46816e2885aac79ef005a811b7ae58be1101f49e.002.1,2024-12-09T17:24:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.46816e2885aac79ef005a811b7ae58be1101f49e.001.2,2024-12-09T17:24:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c3caa9d858e903aecebf1b66842fcee943b1ddcb.001.2,2024-12-09T11:03:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.fdb7c0f2251750244de90be3436d17b5b60ae037.001.2,2024-12-09T09:23:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.78c41538472e3984318a6f3e98634c872473209b.002.1,2024-12-09T19:30:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.78c41538472e3984318a6f3e98634c872473209b.001.2,2024-12-09T19:30:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.cc2f108361d56bdb5b9b7c5b912486006c82a1de.001.1,2024-12-09T03:14:00-07:00

* WHAT...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 2024-12-10T18:17:00-07:00 2024-12-10T18:17:00-07:00 2024-12-10T18:17:00-07:00 2024-12-11T06:15:00-07:00 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 110117 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:2.49.0.1.840.0.495df4b784b2e1770c96b260aab5ec8f389596fd.002.1,2024-12-09T22:27:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.b729ea10ac69eb952935184a17cd7b9bb21e3590.002.1,2024-12-10T03:19:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.46816e2885aac79ef005a811b7ae58be1101f49e.002.1,2024-12-09T17:24:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c3caa9d858e903aecebf1b66842fcee943b1ddcb.002.1,2024-12-09T11:03:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.fdb7c0f2251750244de90be3436d17b5b60ae037.002.1,2024-12-09T09:23:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.78c41538472e3984318a6f3e98634c872473209b.003.1,2024-12-09T19:30:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.cc2f108361d56bdb5b9b7c5b912486006c82a1de.002.1,2024-12-09T03:14:00-07:00

* WHAT...A moderate risk of sneaker waves is expected. * WHERE...The beaches and shorelines of Curry, Coos, and Douglas counties. * WHEN...Through Wednesday morning. * 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 2024-12-10T15:41:00-08:00 2024-12-10T15:41:00-08:00 2024-12-10T15:41:00-08:00 2024-12-11T10:00:00-08:00 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 102341 NWSheadline BEACH HAZARDS STATEMENT NOW IN EFFECT THROUGH WEDNESDAY MORNING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXT.KMFR.BH.S.0009.000000T0000Z-241211T1800Z/ eventEndingTime 2024-12-11T18:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.fa42d99b9de1f1b4d8598724690e3a39bb870855.001.1,2024-12-09T13:52:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.fb80e2de632ab2b87653dd1abd4f2fbb21b4721e.001.1,2024-12-09T02:27:00-08:00 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 less than one quarter of a mile at times in freezing fog. * WHERE...In Oregon, Foothills of the Southern Blue Mountains of Oregon and North Central Oregon. In Washington, Simcoe Highlands. * WHEN...Until noon PST Wednesday. * IMPACTS...Low visibility and slick roads could make driving conditions hazardous. Freezing Fog Advisory 2024-12-10T11:47:00-08:00 2024-12-10T11:47:00-08:00 2024-12-10T11:47:00-08:00 2024-12-10T23:00:00-08:00 Actual Alert Met Expected Moderate Likely Foothills of the Southern Blue Mountains of Oregon; North Central Oregon; Simcoe Highlands SAME 041021 SAME 041049 SAME 041069 SAME 041055 SAME 041065 SAME 053039 SAME 053077 UGC ORZ508 UGC ORZ510 UGC WAZ521 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 101947 NWSheadline FREEZING FOG ADVISORY IN EFFECT UNTIL NOON PST WEDNESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXB.KPDT.ZF.Y.0012.000000T0000Z-241211T2000Z/ eventEndingTime 2024-12-11T20:00:00+00:00

* WHAT...Visibility less than one quarter mile at times in freezing fog. * WHERE...In Oregon, Foothills of the Northern Blue Mountains of Oregon. In Washington, Kittitas Valley and Foothills of the Blue Mountains of Washington. * WHEN...Until noon PST Wednesday. * IMPACTS...Low visibility and slick roads could make driving conditions hazardous. Freezing Fog Advisory 2024-12-10T11:47:00-08:00 2024-12-10T11:47:00-08:00 2024-12-10T11:47:00-08:00 2024-12-10T23:00:00-08:00 Actual Update Met Expected Moderate Likely Foothills of the Northern Blue Mountains of Oregon; Kittitas Valley; Foothills of the Blue Mountains of Washington SAME 041059 SAME 053037 SAME 053077 SAME 053013 SAME 053071 UGC ORZ507 UGC WAZ026 UGC WAZ029 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 101947 NWSheadline FREEZING FOG ADVISORY NOW IN EFFECT UNTIL NOON PST WEDNESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXT.KPDT.ZF.Y.0012.000000T0000Z-241211T2000Z/ eventEndingTime 2024-12-11T20:00:00+00:00

* WHAT...Visibility less than one quarter mile at times in freezing fog. * WHERE...In Oregon, Foothills of the Northern Blue Mountains of Oregon. In Washington, Kittitas Valley and Foothills of the Blue Mountains of Washington. * WHEN...Until noon PST Wednesday. * IMPACTS...Low visibility and slick roads could make driving conditions hazardous. Freezing Fog Advisory 2024-12-10T11:47:00-08:00 2024-12-10T11:47:00-08:00 2024-12-10T11:47:00-08:00 2024-12-10T23:00:00-08:00 Actual Update Met Expected Moderate Likely Foothills of the Northern Blue Mountains of Oregon; Kittitas Valley; Foothills of the Blue Mountains of Washington SAME 041059 SAME 053037 SAME 053077 SAME 053013 SAME 053071 UGC ORZ507 UGC WAZ026 UGC WAZ029 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 101947 NWSheadline FREEZING FOG ADVISORY NOW IN EFFECT UNTIL NOON PST WEDNESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXT.KPDT.ZF.Y.0012.000000T0000Z-241211T2000Z/ eventEndingTime 2024-12-11T20:00:00+00:00

* WHAT...Visibility less than one quarter of a mile at times in freezing fog. * WHERE...In Oregon, Foothills of the Southern Blue Mountains of Oregon and North Central Oregon. In Washington, Simcoe Highlands. * WHEN...Until noon PST Wednesday. * IMPACTS...Low visibility and slick roads could make driving conditions hazardous. Freezing Fog Advisory 2024-12-10T11:47:00-08:00 2024-12-10T11:47:00-08:00 2024-12-10T11:47:00-08:00 2024-12-10T23:00:00-08:00 Actual Alert Met Expected Moderate Likely Foothills of the Southern Blue Mountains of Oregon; North Central Oregon; Simcoe Highlands SAME 041021 SAME 041049 SAME 041069 SAME 041055 SAME 041065 SAME 053039 SAME 053077 UGC ORZ508 UGC ORZ510 UGC WAZ521 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 101947 NWSheadline FREEZING FOG ADVISORY IN EFFECT UNTIL NOON PST WEDNESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXB.KPDT.ZF.Y.0012.000000T0000Z-241211T2000Z/ eventEndingTime 2024-12-11T20:00:00+00:00

* WHAT...Freezing drizzle and freezing fog. * WHERE...Clarkston, Lewiston Grade, Lewiston, and Alpowa Summit. * WHEN...Until 1 PM PST this afternoon. * IMPACTS...Slick roadways. Winter Weather Advisory 2024-12-10T11:09:00-08:00 2024-12-10T11:09:00-08:00 2024-12-10T11:09:00-08:00 2024-12-10T13:00:00-08:00 Actual Update Met Expected Moderate Likely Lewiston Area; Lower Garfield and Asotin Counties SAME 016069 SAME 053003 SAME 053023 UGC IDZ026 UGC WAZ032 AWIPSidentifier WSWOTX WMOidentifier WWUS46 KOTX 101909 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KOTX.WW.Y.0034.000000T0000Z-241210T2100Z/ eventEndingTime 2024-12-10T21:00:00+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 2024-12-10T11:52:00-07:00 2024-12-10T11:52:00-07:00 2024-12-10T11:52:00-07:00 2024-12-11T05:00:00-07:00 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 101852 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.c3caa9d858e903aecebf1b66842fcee943b1ddcb.002.1,2024-12-09T11:03:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.fdb7c0f2251750244de90be3436d17b5b60ae037.002.1,2024-12-09T09:23:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.78c41538472e3984318a6f3e98634c872473209b.003.1,2024-12-09T19:30:00-07:00 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 has improved but patches of dense fog in the Treasure Valley 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 2024-12-10T11:52:00-07:00 2024-12-10T11:52:00-07:00 2024-12-10T11:52:00-07:00 2024-12-11T05:00:00-07:00 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 101852 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THURSDAY... ...DENSE FOG ADVISORY WILL EXPIRE AT NOON MST TODAY 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.c3caa9d858e903aecebf1b66842fcee943b1ddcb.001.2,2024-12-09T11:03:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.fdb7c0f2251750244de90be3436d17b5b60ae037.001.2,2024-12-09T09:23:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.78c41538472e3984318a6f3e98634c872473209b.002.1,2024-12-09T19:30:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.78c41538472e3984318a6f3e98634c872473209b.001.2,2024-12-09T19:30:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.cc2f108361d56bdb5b9b7c5b912486006c82a1de.001.1,2024-12-09T03:14:00-07:00

* WHAT...Visibility one quarter to one half mile in freezing fog. * WHERE...In Oregon, Foothills of the Northern Blue Mountains of Oregon, Grande Ronde Valley, Lower Columbia Basin of Oregon, and Northern Blue Mountains of Oregon. In Washington, Yakima Valley and Foothills of the Blue Mountains of Washington. * WHEN...Until noon PST today. * IMPACTS...Low visibility and slick roads could make driving conditions hazardous. Freezing Fog Advisory 2024-12-10T07:44:00-08:00 2024-12-10T07:44:00-08:00 2024-12-10T07:44:00-08:00 2024-12-10T12:00:00-08:00 Actual Update Met Expected Moderate Likely Lower Columbia Basin of Oregon; Grande Ronde Valley; Northern Blue Mountains of Oregon; Foothills of the Northern Blue Mountains of Oregon; Yakima Valley; Foothills of the Blue Mountains of Washington SAME 041049 SAME 041059 SAME 041061 SAME 041063 SAME 053077 SAME 053013 SAME 053071 UGC ORZ044 UGC ORZ049 UGC ORZ502 UGC ORZ507 UGC WAZ027 UGC WAZ029 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 101544 NWSheadline FREEZING FOG ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.ZF.Y.0012.000000T0000Z-241210T2000Z/ eventEndingTime 2024-12-10T20:00:00+00:00

* WHAT...Visibility one quarter of a mile or less in freezing fog. * WHERE...Kittitas Valley. * WHEN...Until noon PST today. * IMPACTS...Low visibility and slick roads could make driving conditions hazardous. Freezing Fog Advisory 2024-12-10T07:44:00-08:00 2024-12-10T07:44:00-08:00 2024-12-10T07:44:00-08:00 2024-12-10T12:00:00-08:00 Actual Alert Met Expected Moderate Likely Kittitas Valley SAME 053037 SAME 053077 UGC WAZ026 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 101544 NWSheadline FREEZING FOG ADVISORY IN EFFECT UNTIL NOON PST TODAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXA.KPDT.ZF.Y.0012.000000T0000Z-241210T2000Z/ eventEndingTime 2024-12-10T20:00:00+00:00

* WHAT...Visibility one quarter mile or less in dense fog mainly over the higher terrain of the zone. * WHERE...In Oregon, Eastern Columbia River Gorge of Oregon. In Washington, Lower Columbia Basin of Washington. * WHEN...Until noon PST today. * IMPACTS...Low visibility could make driving conditions hazardous. Dense Fog Advisory 2024-12-10T07:44:00-08:00 2024-12-10T07:44:00-08:00 2024-12-10T07:44:00-08:00 2024-12-10T12:00:00-08:00 Actual Update Met Expected Moderate Likely Eastern Columbia River Gorge of Oregon; Lower Columbia Basin of Washington SAME 041021 SAME 041055 SAME 041065 SAME 053005 SAME 053021 SAME 053039 SAME 053071 UGC ORZ041 UGC WAZ028 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 101544 NWSheadline DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.FG.Y.0020.000000T0000Z-241210T2000Z/ eventEndingTime 2024-12-10T20:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.07538f74625aa277b6d27a939453fa210efd3bf5.001.1,2024-12-09T21:27:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.9dc46656927800471b616afe73b7c54d70696e9a.001.1,2024-12-09T21:24:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7c283a5d237ba6783aa10c81a300726a37b93457.001.1,2024-12-09T18:53:00-08:00