NOAA Current Watches-WA

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Dense Fog Advisory issued November 20 at 4:32PM PST until November 21 at 1:00PM PST by NWS

November 20, 2018 - 4:32pm
...DENSE FOG ACROSS THE BLUE MOUNTAIN FOOTHILLS IN OREGON AND WASHINGTON THROUGH MIDDAY WEDNESDAY... ...POOR AIR QUALITY IN STAGNANT CONDITIONS THROUGH WEDNESDAY... .Strong surface inversions and stagnant air conditions are allowing pollutants and moisture to become trapped in the Lower Columbia Basin and adjacent valleys causing poor air quality and Dense Fog Advisory 2018-11-20T16:32:00-08:00 2018-11-21T13:00:00-08:00 Actual Alert Met Expected Minor Likely Foothills of the Blue Mountains of Washington FIPS6 053013 053071 UGC WAZ029 VTEC /O.NEW.KPDT.FG.Y.0008.181121T0032Z-181121T2100Z/ /O.CON.KPDT.AS.Y.0003.000000T0000Z-181121T2100Z/

Air Stagnation Advisory issued November 20 at 12:27PM PST until November 21 at 1:00PM PST by NWS

November 20, 2018 - 12:27pm
...AIR STAGNATION CONTINUES FOR EASTERN WASHINGTON AND NORTH IDAHO... .Light winds and a strong inversion will persist through Wednesday, leading to air stagnation across north Idaho as well as central and eastern Washington. The arrival of light precipitation and a subtle increase in winds Wednesday and Air Stagnation Advisory 2018-11-20T12:27:00-08:00 2018-11-21T13:00:00-08:00 Actual Alert Met Expected Minor Likely Adams; Asotin; Chelan; Douglas; Ferry; Garfield; Grant; Lincoln; Okanogan; Pend Oreille; Spokane; Stevens; Whitman FIPS6 053001 053003 053007 053017 053019 053023 053025 053043 053047 053051 053063 053065 053075 UGC WAC001 WAC003 WAC007 WAC017 WAC019 WAC023 WAC025 WAC043 WAC047 WAC051 WAC063 WAC065 WAC075 VTEC /O.CON.KOTX.AS.Y.0002.000000T0000Z-181121T2100Z/

Air Stagnation Advisory issued November 20 at 12:04PM PST until November 21 at 1:00PM PST by NWS

November 20, 2018 - 12:04pm
...POOR AIR QUALITY IN STAGNANT CONDITIONS THROUGH WEDNESDAY... .Strong surface inversions are allowing pollutants to become trapped in the Lower Columbia Basin and adjacent valleys causing poor air quality. ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST WEDNESDAY... Air Stagnation Advisory 2018-11-20T12:04:00-08:00 2018-11-21T13:00:00-08:00 Actual Alert Met Expected Minor Likely Eastern Columbia River Gorge of Washington FIPS6 053039 UGC WAZ024 VTEC /O.EXP.KPDT.FG.Y.0007.000000T0000Z-181120T2000Z/ /O.CON.KPDT.AS.Y.0003.000000T0000Z-181121T2100Z/

Air Stagnation Advisory issued November 20 at 12:04PM PST until November 21 at 1:00PM PST by NWS

November 20, 2018 - 12:04pm
...POOR AIR QUALITY IN STAGNANT CONDITIONS THROUGH WEDNESDAY... .Strong surface inversions are allowing pollutants to become trapped in the Lower Columbia Basin and adjacent valleys causing poor air quality. ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST WEDNESDAY... Air Stagnation Advisory 2018-11-20T12:04:00-08:00 2018-11-21T13:00:00-08:00 Actual Alert Met Expected Minor Likely Kittitas Valley; Yakima Valley FIPS6 053037 053077 UGC WAZ026 WAZ027 VTEC /O.CON.KPDT.AS.Y.0003.000000T0000Z-181121T2100Z/

Air Stagnation Advisory issued November 20 at 12:04PM PST until November 21 at 1:00PM PST by NWS

November 20, 2018 - 12:04pm
...POOR AIR QUALITY IN STAGNANT CONDITIONS THROUGH WEDNESDAY... .Strong surface inversions are allowing pollutants to become trapped in the Lower Columbia Basin and adjacent valleys causing poor air quality. ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST WEDNESDAY... Air Stagnation Advisory 2018-11-20T12:04:00-08:00 2018-11-21T13:00:00-08:00 Actual Alert Met Expected Minor Likely Foothills of the Blue Mountains of Washington; Lower Columbia Basin of Washington FIPS6 053005 053013 053021 053071 UGC WAZ028 WAZ029 VTEC /O.EXP.KPDT.FG.Y.0007.000000T0000Z-181120T2000Z/ /O.CON.KPDT.AS.Y.0003.000000T0000Z-181121T2100Z/

Dense Fog Advisory issued November 20 at 5:09AM PST until November 20 at 12:00PM PST by NWS

November 20, 2018 - 5:09am
...DENSE FOG ACROSS THE LOWER COLUMBIA BASIN, BLUE MOUNTAIN FOOTHILLS AND THE EASTERN COLUMBIA RIVER GORGE THIS MORNING... ...POOR AIR QUALITY IN STAGNANT CONDITIONS THROUGH WEDNESDAY... .Clear skies, light winds and a saturated atmosphere has allowed areas of dense fog to form early this morning over portions of the Lower Columbia Basin, the Blue Mountain Foothills and the Eastern Dense Fog Advisory 2018-11-20T05:09:00-08:00 2018-11-20T12:00:00-08:00 Actual Alert Met Expected Minor Likely Eastern Columbia River Gorge of Washington FIPS6 053039 UGC WAZ024 VTEC /O.NEW.KPDT.FG.Y.0007.181120T1309Z-181120T2000Z/ /O.CON.KPDT.AS.Y.0003.000000T0000Z-181121T2100Z/

Dense Fog Advisory issued November 20 at 5:09AM PST until November 20 at 12:00PM PST by NWS

November 20, 2018 - 5:09am
...DENSE FOG ACROSS THE LOWER COLUMBIA BASIN, BLUE MOUNTAIN FOOTHILLS AND THE EASTERN COLUMBIA RIVER GORGE THIS MORNING... ...POOR AIR QUALITY IN STAGNANT CONDITIONS THROUGH WEDNESDAY... .Clear skies, light winds and a saturated atmosphere has allowed areas of dense fog to form early this morning over portions of the Lower Columbia Basin, the Blue Mountain Foothills and the Eastern Dense Fog Advisory 2018-11-20T05:09:00-08:00 2018-11-20T12:00:00-08:00 Actual Alert Met Expected Minor Likely Foothills of the Blue Mountains of Washington; Lower Columbia Basin of Washington FIPS6 053005 053013 053021 053071 UGC WAZ028 WAZ029 VTEC /O.NEW.KPDT.FG.Y.0007.181120T1309Z-181120T2000Z/ /O.CON.KPDT.AS.Y.0003.000000T0000Z-181121T2100Z/

Air Stagnation Advisory issued November 20 at 5:09AM PST until November 21 at 1:00PM PST by NWS

November 20, 2018 - 5:09am
...DENSE FOG ACROSS THE LOWER COLUMBIA BASIN, BLUE MOUNTAIN FOOTHILLS AND THE EASTERN COLUMBIA RIVER GORGE THIS MORNING... ...POOR AIR QUALITY IN STAGNANT CONDITIONS THROUGH WEDNESDAY... .Clear skies, light winds and a saturated atmosphere has allowed areas of dense fog to form early this morning over portions of the Lower Columbia Basin, the Blue Mountain Foothills and the Eastern Air Stagnation Advisory 2018-11-20T05:09:00-08:00 2018-11-21T13:00:00-08:00 Actual Alert Met Expected Minor Likely Eastern Columbia River Gorge of Washington FIPS6 053039 UGC WAZ024 VTEC /O.NEW.KPDT.FG.Y.0007.181120T1309Z-181120T2000Z/ /O.CON.KPDT.AS.Y.0003.000000T0000Z-181121T2100Z/

Air Stagnation Advisory issued November 20 at 5:09AM PST until November 21 at 1:00PM PST by NWS

November 20, 2018 - 5:09am
...DENSE FOG ACROSS THE LOWER COLUMBIA BASIN, BLUE MOUNTAIN FOOTHILLS AND THE EASTERN COLUMBIA RIVER GORGE THIS MORNING... ...POOR AIR QUALITY IN STAGNANT CONDITIONS THROUGH WEDNESDAY... .Clear skies, light winds and a saturated atmosphere has allowed areas of dense fog to form early this morning over portions of the Lower Columbia Basin, the Blue Mountain Foothills and the Eastern Air Stagnation Advisory 2018-11-20T05:09:00-08:00 2018-11-21T13:00:00-08:00 Actual Alert Met Expected Minor Likely Kittitas Valley; Yakima Valley FIPS6 053037 053077 UGC WAZ026 WAZ027 VTEC /O.CON.KPDT.AS.Y.0003.000000T0000Z-181121T2100Z/

Air Stagnation Advisory issued November 20 at 5:09AM PST until November 21 at 1:00PM PST by NWS

November 20, 2018 - 5:09am
...DENSE FOG ACROSS THE LOWER COLUMBIA BASIN, BLUE MOUNTAIN FOOTHILLS AND THE EASTERN COLUMBIA RIVER GORGE THIS MORNING... ...POOR AIR QUALITY IN STAGNANT CONDITIONS THROUGH WEDNESDAY... .Clear skies, light winds and a saturated atmosphere has allowed areas of dense fog to form early this morning over portions of the Lower Columbia Basin, the Blue Mountain Foothills and the Eastern Air Stagnation Advisory 2018-11-20T05:09:00-08:00 2018-11-21T13:00:00-08:00 Actual Alert Met Expected Minor Likely Foothills of the Blue Mountains of Washington; Lower Columbia Basin of Washington FIPS6 053005 053013 053021 053071 UGC WAZ028 WAZ029 VTEC /O.NEW.KPDT.FG.Y.0007.181120T1309Z-181120T2000Z/ /O.CON.KPDT.AS.Y.0003.000000T0000Z-181121T2100Z/

Special Weather Statement issued November 20 at 4:20AM PST by NWS

November 20, 2018 - 4:20am
Areas of dense fog and freezing fog expected this morning across portions of the Lower Columbia Basin, the Columbia Gorge and the Yakima Valley. Visibility will be reduced to a quarter mile or less at times and slick roadways and surfaces are possible. Slow down, use low beam lights and allow extra time to reach your destination. Special Weather Statement 2018-11-20T05:09:00-08:00 2018-11-20T09:00:00-08:00 Actual Alert Met Expected Minor Observed Eastern Columbia River Gorge of Washington; Foothills of the Blue Mountains of Washington; Lower Columbia Basin of Washington; Yakima Valley FIPS6 053005 053013 053021 053039 053071 053077 UGC WAZ024 WAZ027 WAZ028 WAZ029 VTEC

Dense Fog Advisory issued November 20 at 3:13AM PST until November 20 at 12:00PM PST by NWS

November 20, 2018 - 3:13am
...DENSE FOG ADVISORY IN EFFECT UNTIL NOON PST TODAY... The National Weather Service in Seattle has issued a Dense Fog Advisory, which is in effect until noon PST today. * VISIBILITY...A quarter of a mile or less. * TIMING...Through noon. * IMPACTS...Dense fog will result in poor driving conditions for Dense Fog Advisory 2018-11-20T03:13:00-08:00 2018-11-20T12:00:00-08:00 Actual Alert Met Expected Minor Likely Bremerton and Vicinity; Hood Canal Area; Seattle and Vicinity; Southwest Interior; Tacoma Area FIPS6 053031 053033 053035 053041 053045 053053 053067 UGC WAZ504 WAZ509 WAZ511 WAZ558 WAZ559 VTEC /O.NEW.KSEW.FG.Y.0004.181120T1113Z-181120T2000Z/

Special Weather Statement issued November 19 at 1:11PM PST by NWS

November 19, 2018 - 1:11pm
...SNOW EXPECTED TO RETURN TO THE CASCADES LATE THIS WEEK... As rain and cooler weather return to northwest Oregon and southwest Washington Wednesday and Thursday, snow levels in the Cascades will be dropping. Expect snow levels to lower to around 5500 feet by late Wednesday night, then drop to near pass levels between 4000 to 4500 feet Special Weather Statement 2018-11-19T11:27:00-08:00 2018-11-20T16:00:00-08:00 Actual Alert Met Expected Minor Observed South Washington Cascades FIPS6 053015 053059 UGC WAZ019 VTEC

Air Stagnation Advisory issued November 19 at 11:50AM PST until November 21 at 1:00PM PST by NWS

November 19, 2018 - 11:50am
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST WEDNESDAY... * AIR QUALITY...A ridge of high pressure will build across the region and produce a low level inversion with light winds. Air quality will slowly degrade over the period. * TIMING...Today through Wednesday. Air Stagnation Advisory 2018-11-19T11:50:00-08:00 2018-11-21T13:00:00-08:00 Actual Alert Met Expected Minor Likely Eastern Columbia River Gorge of Washington FIPS6 053039 UGC WAZ024 VTEC /O.CON.KPDT.AS.Y.0003.000000T0000Z-181121T2100Z/

Air Stagnation Advisory issued November 19 at 11:50AM PST until November 21 at 1:00PM PST by NWS

November 19, 2018 - 11:50am
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST WEDNESDAY... * AIR QUALITY...A ridge of high pressure will build across the region and produce a low level inversion with light winds. Air quality will slowly degrade over the period. * TIMING...Today through Wednesday. Air Stagnation Advisory 2018-11-19T11:50:00-08:00 2018-11-21T13:00:00-08:00 Actual Alert Met Expected Minor Likely Kittitas Valley; Yakima Valley FIPS6 053037 053077 UGC WAZ026 WAZ027 VTEC /O.CON.KPDT.AS.Y.0003.000000T0000Z-181121T2100Z/

Air Stagnation Advisory issued November 19 at 11:50AM PST until November 21 at 1:00PM PST by NWS

November 19, 2018 - 11:50am
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST WEDNESDAY... ...DENSE FOG ADVISORY WILL EXPIRE AT NOON PST TODAY... * AIR QUALITY...A ridge of high pressure will build across the region and produce a low level inversion with light winds. Air quality will slowly degrade over the period. Air Stagnation Advisory 2018-11-19T11:50:00-08:00 2018-11-21T13:00:00-08:00 Actual Alert Met Expected Minor Likely Foothills of the Blue Mountains of Washington; Lower Columbia Basin of Washington FIPS6 053005 053013 053021 053071 UGC WAZ028 WAZ029 VTEC /O.EXP.KPDT.FG.Y.0006.000000T0000Z-181119T2000Z/ /O.CON.KPDT.AS.Y.0003.000000T0000Z-181121T2100Z/

Air Stagnation Advisory issued November 19 at 11:27AM PST until November 21 at 1:00PM PST by NWS

November 19, 2018 - 11:27am
...AIR STAGNATION CONTINUES FOR EASTERN WASHINGTON AND NORTH IDAHO... .Light winds and a strong inversion will persist through Wednesday leading to air stagnation across north Idaho as well as central and eastern Washington. The arrival of light precipitation and a subtle increase in winds Wednesday and Wednesday night may Air Stagnation Advisory 2018-11-19T11:27:00-08:00 2018-11-21T13:00:00-08:00 Actual Alert Met Expected Minor Likely Adams; Asotin; Chelan; Douglas; Ferry; Garfield; Grant; Lincoln; Okanogan; Pend Oreille; Spokane; Stevens; Whitman FIPS6 053001 053003 053007 053017 053019 053023 053025 053043 053047 053051 053063 053065 053075 UGC WAC001 WAC003 WAC007 WAC017 WAC019 WAC023 WAC025 WAC043 WAC047 WAC051 WAC063 WAC065 WAC075 VTEC /O.CON.KOTX.AS.Y.0002.000000T0000Z-181121T2100Z/

Dense Fog Advisory issued November 19 at 2:03AM PST until November 19 at 12:00PM PST by NWS

November 19, 2018 - 2:03am
...DENSE FOG ACROSS THE LOWER COLUMBIA BASIN THIS MORNING... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST WEDNESDAY... ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY... * AIR QUALITY...A ridge of high pressure will build across the region and produce a low level inversion trapping fog and low Dense Fog Advisory 2018-11-19T02:03:00-08:00 2018-11-19T12:00:00-08:00 Actual Alert Met Expected Minor Likely Foothills of the Blue Mountains of Washington; Lower Columbia Basin of Washington FIPS6 053005 053013 053021 053071 UGC WAZ028 WAZ029 VTEC /O.CON.KPDT.AS.Y.0003.000000T0000Z-181121T2100Z/ /O.CON.KPDT.FG.Y.0006.000000T0000Z-181119T2000Z/

Air Stagnation Advisory issued November 19 at 2:03AM PST until November 21 at 1:00PM PST by NWS

November 19, 2018 - 2:03am
...DENSE FOG ACROSS THE LOWER COLUMBIA BASIN THIS MORNING... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST WEDNESDAY... * AIR QUALITY...A ridge of high pressure will build across the region and produce a low level inversion with light winds. Air quality will slowly degrade over the period. Air Stagnation Advisory 2018-11-19T02:03:00-08:00 2018-11-21T13:00:00-08:00 Actual Alert Met Expected Minor Likely Eastern Columbia River Gorge of Washington FIPS6 053039 UGC WAZ024 VTEC /O.CON.KPDT.AS.Y.0003.000000T0000Z-181121T2100Z/

Air Stagnation Advisory issued November 19 at 2:03AM PST until November 21 at 1:00PM PST by NWS

November 19, 2018 - 2:03am
...DENSE FOG ACROSS THE LOWER COLUMBIA BASIN THIS MORNING... ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST WEDNESDAY... * AIR QUALITY...A ridge of high pressure will build across the region and produce a low level inversion with light winds. Air quality will slowly degrade over the period. Air Stagnation Advisory 2018-11-19T02:03:00-08:00 2018-11-21T13:00:00-08:00 Actual Alert Met Expected Minor Likely Kittitas Valley; Yakima Valley FIPS6 053037 053077 UGC WAZ026 WAZ027 VTEC /O.CON.KPDT.AS.Y.0003.000000T0000Z-181121T2100Z/

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