NOAA Current Watches-OR

Pockets of dense freezing fog will continue to impact areas of north central Oregon through this evening and overnight, especially along portions of Highway 97 and 197. Visibilities to a quarter mile or lower will be possible. Special Weather Statement 2024-12-11T11:41:00-08:00 2024-12-11T11:41:00-08:00 2024-12-11T11:41:00-08:00 2024-12-11T23:00:00-08:00 Actual Alert Met Expected Moderate Observed North Central Oregon SAME 041055 SAME 041065 UGC ORZ510 AWIPSidentifier SPSPDT WMOidentifier WWUS86 KPDT 111941 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR

Pockets of dense freezing fog will continue to impact higher elevation areas along the Blue mountain foothills, especially along Interstate 84 through at Cabbage Hill. Visibilities at or less than a quarter mile will persist through this evening and overnight. Special Weather Statement 2024-12-11T11:41:00-08:00 2024-12-11T11:41:00-08:00 2024-12-11T11:41:00-08:00 2024-12-11T23:00:00-08:00 Actual Alert Met Expected Moderate Observed Foothills of the Northern Blue Mountains of Oregon SAME 041059 UGC ORZ507 AWIPSidentifier SPSPDT WMOidentifier WWUS86 KPDT 111941 BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR

* 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 2024-12-11T11:38:00-07:00 2024-12-11T11:38:00-07:00 2024-12-11T11:38:00-07:00 2024-12-12T14:00:00-07:00 Actual Update Met Expected Moderate Likely West Central Mountains; Lower Treasure Valley; Boise Mountains; Upper Treasure Valley; Camas Prairie; Owyhee Mountains; Harney County; Baker County; Malheur County; Oregon Lower Treasure Valley SAME 016003 SAME 016045 SAME 016085 SAME 016087 SAME 016027 SAME 016073 SAME 016075 SAME 016015 SAME 016025 SAME 016039 SAME 016001 SAME 041025 SAME 041001 SAME 041045 UGC IDZ011 UGC IDZ012 UGC IDZ013 UGC IDZ014 UGC IDZ028 UGC IDZ029 UGC ORZ061 UGC ORZ062 UGC ORZ063 UGC ORZ064 AWIPSidentifier NPWBOI WMOidentifier WWUS75 KBOI 111838 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:2.49.0.1.840.0.5005292349ce5a9ba7313dc63287e12d5fb7186e.002.1,2024-12-10T18:17:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5005292349ce5a9ba7313dc63287e12d5fb7186e.001.2,2024-12-10T18:17:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d6b3a8762b1df58ebf82a82417e387b160da54a7.002.1,2024-12-10T11:52:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d6b3a8762b1df58ebf82a82417e387b160da54a7.001.2,2024-12-10T11:52:00-07:00 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:2.49.0.1.840.0.495df4b784b2e1770c96b260aab5ec8f389596fd.001.1,2024-12-09T22:27:00-07:00 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.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.002.1,2024-12-09T11:03:00-07:00 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.fdb7c0f2251750244de90be3436d17b5b60ae037.002.1,2024-12-09T09:23:00-07:00 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.003.1,2024-12-09T19:30:00-07:00 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.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 has improved, but patches of dense fog in the Treasure Valley will continue this morning. 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...Treasure Valley Zones. * WHEN...Until 2 PM MST Thursday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2024-12-11T08:07:00-07:00 2024-12-11T08:07:00-07:00 2024-12-11T08:07:00-07:00 2024-12-11T14:00:00-07:00 Actual Update Met Expected Moderate Likely Lower Treasure Valley; Upper Treasure Valley; Oregon Lower Treasure Valley SAME 016027 SAME 016045 SAME 016073 SAME 016075 SAME 016087 SAME 016001 SAME 016039 SAME 041045 UGC IDZ012 UGC IDZ014 UGC ORZ064 AWIPSidentifier NPWBOI WMOidentifier WWUS75 KBOI 111507 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:2.49.0.1.840.0.5005292349ce5a9ba7313dc63287e12d5fb7186e.001.2,2024-12-10T18:17:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d6b3a8762b1df58ebf82a82417e387b160da54a7.001.2,2024-12-10T11:52:00-07:00 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 2024-12-11T08:07:00-07:00 2024-12-11T08:07:00-07:00 2024-12-11T08:07:00-07:00 2024-12-11T14:00:00-07:00 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 111507 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:2.49.0.1.840.0.5005292349ce5a9ba7313dc63287e12d5fb7186e.002.1,2024-12-10T18:17:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d6b3a8762b1df58ebf82a82417e387b160da54a7.002.1,2024-12-10T11:52:00-07:00 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...Southeast winds 20 to 25 mph with gusts up to 45 mph expected. * WHERE...Southern portions of the Rogue Valley south of Medford. This includes Interstate 5 from Phoenix to Ashland. * WHEN...From 7 PM this evening to 4 AM PST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Wind Advisory 2024-12-11T02:49:00-08:00 2024-12-11T02:49:00-08:00 2024-12-11T19:00:00-08:00 2024-12-11T15:00:00-08:00 Actual Alert Met Expected Moderate Likely Jackson County SAME 041029 UGC ORZ026 AWIPSidentifier NPWMFR WMOidentifier WWUS76 KMFR 111049 NWSheadline WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 4 AM PST THURSDAY FOR THE ROGUE VALLEY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KMFR.WI.Y.0032.241212T0300Z-241212T1200Z/ eventEndingTime 2024-12-12T12:00:00+00:00

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...South Willamette Valley. * WHEN...Until 9 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Areas of lowest visibility along I-5 and to the west. Dense fog is patchy and can form quickly. Dense Fog Advisory 2024-12-11T02:31:00-08:00 2024-12-11T02:31:00-08:00 2024-12-11T02:31:00-08:00 2024-12-11T09:00:00-08:00 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 111031 NWSheadline DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM PST THIS MORNING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KPQR.FG.Y.0043.241211T1031Z-241211T1700Z/ eventEndingTime 2024-12-11T17:00:00+00:00

* WHAT...A moderate risk of sneaker waves is expected. * WHERE...The beaches and shorelines of Curry, Coos, and Douglas counties. * WHEN...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 2024-12-11T02:31:00-08:00 2024-12-11T02:31:00-08:00 2024-12-11T02:31:00-08:00 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 111031 NWSheadline BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.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.e4a487346fc58dc27b4256a44c05cdaf26428bd2.001.1,2024-12-10T02:25:00-08:00 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 one quarter to one half mile in freezing fog. * WHERE...Foothills of the Blue Mountains of Oregon, and North Central Oregon. * WHEN...Until noon PST today. * IMPACTS...Low visibility could make driving conditions hazardous. Freezing Fog Advisory 2024-12-11T02:25:00-08:00 2024-12-11T02:25:00-08:00 2024-12-11T02:25:00-08:00 2024-12-11T12:00:00-08:00 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 SAME 041059 SAME 041021 SAME 041049 SAME 041069 SAME 041055 SAME 041065 UGC ORZ507 UGC ORZ508 UGC ORZ510 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 111025 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-241211T2000Z/ eventEndingTime 2024-12-11T20:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7d5869d66344f157a1ff251cea8dab0bc409ae93.002.1,2024-12-10T11:47:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7d5869d66344f157a1ff251cea8dab0bc409ae93.001.1,2024-12-10T11:47:00-08:00 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.a611c8ac0815ce5c005e88869405be34cbc5b836.001.1,2024-12-10T02:50:00-08:00

* 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...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 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