NOAA Current Watches

Areas of freezing fog have redeveloped this evening across portions of the Lower Columbia Basin into the foothills of the northern Blue Mountains. Visibility is down to a quarter mile or less in spots. In addition, with temperatures below freezing, roads and walkways could become slick. Allow extra time if traveling. Special Weather Statement 2020-12-03T18:08:00-08:00 2020-12-03T23:00:00-08:00 Actual Alert Met Expected Minor Observed Foothills of the Blue Mountains of Washington; Lower Columbia Basin of Washington FIPS6 053005 053013 053021 053071 UGC WAZ028 WAZ029 VTEC

Areas of freezing fog have redeveloped this evening across portions of the Lower Columbia Basin into the foothills of the northern Blue Mountains. Visibility is down to a quarter mile or less in spots. In addition, with temperatures below freezing, roads and walkways could become slick. Allow extra time if traveling. Special Weather Statement 2020-12-03T18:08:00-08:00 2020-12-03T23:00:00-08:00 Actual Alert Met Expected Minor Observed Lower Columbia Basin of Oregon FIPS6 041049 041059 UGC ORZ044 VTEC

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY BELOW 1500 FEET... * WHAT...Poor air quality below 1500 feet. * WHERE...In Washington, South Washington Cascade Foothills and Willapa Hills. In Oregon, Coast Range of Northwest Oregon, Northern Oregon Cascade Foothills, Central Coast Range of Air Stagnation Advisory 2020-12-03T16:28:00-08:00 2020-12-05T10:00:00-08:00 Actual Alert Met Expected Minor Likely South Washington Cascade Foothills; Willapa Hills FIPS6 053011 053015 053049 053069 UGC WAZ020 WAZ040 VTEC /O.CON.KPQR.AS.Y.0002.000000T0000Z-201205T1800Z/

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY... * WHAT...Poor air quality. * WHERE...In Washington, I-5 Corridor in Cowlitz County. In Oregon, South Willamette Valley, Central Willamette Valley and Lower Columbia. Air Stagnation Advisory 2020-12-03T16:28:00-08:00 2020-12-05T10:00:00-08:00 Actual Alert Met Expected Minor Likely Lower Columbia and I - 5 Corridor in Cowlitz County FIPS6 053015 UGC WAZ022 VTEC /O.CON.KPQR.AS.Y.0002.000000T0000Z-201205T1800Z/

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY... * WHAT...Poor air quality. * WHERE...In Washington, Greater Vancouver Area. In Oregon, Greater Portland Metro Area. Excluded from the advisory are areas from the west end of the Gorge through downtown Portland Air Stagnation Advisory 2020-12-03T16:28:00-08:00 2020-12-05T10:00:00-08:00 Actual Alert Met Expected Minor Likely Greater Vancouver Area FIPS6 053011 UGC WAZ039 VTEC /O.CON.KPQR.AS.Y.0002.000000T0000Z-201205T1800Z/

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST TUESDAY BELOW 1500 FEET... * WHAT...Poor air quality below 1500 feet. * WHERE...In Washington, Central Columbia River Gorge. In Oregon, Central Columbia River Gorge and Upper Hood River Valley. Air Stagnation Advisory 2020-12-03T16:28:00-08:00 2020-12-08T19:00:00-08:00 Actual Alert Met Expected Minor Likely Central Columbia River Gorge FIPS6 053059 UGC WAZ046 VTEC /O.CON.KPQR.AS.Y.0002.000000T0000Z-201209T0300Z/

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY BELOW 1500 FEET... * WHAT...Poor air quality below 1500 feet. * WHERE...In Washington, South Washington Cascade Foothills and Willapa Hills. In Oregon, Coast Range of Northwest Oregon, Northern Oregon Cascade Foothills, Central Coast Range of Air Stagnation Advisory 2020-12-03T16:28:00-08:00 2020-12-05T10:00:00-08:00 Actual Alert Met Expected Minor Likely Cascade Foothills in Lane County; Central Coast Range of Western Oregon; Coast Range of Northwest Oregon; Northern Oregon Cascade Foothills FIPS6 041003 041005 041007 041009 041039 041041 041043 041053 041057 041067 041071 UGC ORZ003 ORZ004 ORZ010 ORZ012 VTEC /O.CON.KPQR.AS.Y.0002.000000T0000Z-201205T1800Z/

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY... * WHAT...Poor air quality. * WHERE...In Washington, I-5 Corridor in Cowlitz County. In Oregon, South Willamette Valley, Central Willamette Valley and Lower Columbia. Air Stagnation Advisory 2020-12-03T16:28:00-08:00 2020-12-05T10:00:00-08:00 Actual Alert Met Expected Minor Likely Central Willamette Valley; Lower Columbia; South Willamette Valley FIPS6 041003 041009 041039 041043 041047 041053 041071 UGC ORZ005 ORZ007 ORZ008 VTEC /O.CON.KPQR.AS.Y.0002.000000T0000Z-201205T1800Z/

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY... * WHAT...Poor air quality. * WHERE...In Washington, Greater Vancouver Area. In Oregon, Greater Portland Metro Area. Excluded from the advisory are areas from the west end of the Gorge through downtown Portland Air Stagnation Advisory 2020-12-03T16:28:00-08:00 2020-12-05T10:00:00-08:00 Actual Alert Met Expected Minor Likely Greater Portland Metro Area FIPS6 041005 041051 041067 UGC ORZ006 VTEC /O.CON.KPQR.AS.Y.0002.000000T0000Z-201205T1800Z/

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST TUESDAY BELOW 1500 FEET... * WHAT...Poor air quality below 1500 feet. * WHERE...In Washington, Central Columbia River Gorge. In Oregon, Central Columbia River Gorge and Upper Hood River Valley. Air Stagnation Advisory 2020-12-03T16:28:00-08:00 2020-12-08T19:00:00-08:00 Actual Alert Met Expected Minor Likely Central Columbia River Gorge; Upper Hood River Valley FIPS6 041027 UGC ORZ014 ORZ016 VTEC /O.CON.KPQR.AS.Y.0002.000000T0000Z-201209T0300Z/

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL NOON PST SATURDAY... * WHAT...Stagnant conditions will trap smoke and other air pollutants near the ground where people breathe. * WHERE...Valleys of central and eastern Douglas County, Eastern Curry County and Josephine County, and Jackson County including Air Stagnation Advisory 2020-12-03T13:57:00-08:00 2020-12-05T12:00:00-08:00 Actual Alert Met Expected Minor Likely Central Douglas County; Eastern Curry County and Josephine County; Eastern Douglas County Foothills; Jackson County FIPS6 041011 041015 041019 041029 041033 UGC ORZ023 ORZ024 ORZ025 ORZ026 VTEC /O.CON.KMFR.AS.Y.0004.000000T0000Z-201205T2000Z/

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL NOON PST SATURDAY... * WHAT...Stagnant conditions will trap smoke and other air pollutants near the ground where people breathe. * WHERE...Valleys of Northern and Eastern Klamath County and Western Lake County and Central and Eastern Lake County to Air Stagnation Advisory 2020-12-03T13:57:00-08:00 2020-12-05T12:00:00-08:00 Actual Alert Met Expected Minor Likely Central and Eastern Lake County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County FIPS6 041035 041037 UGC ORZ029 ORZ030 ORZ031 VTEC /O.CON.KMFR.AS.Y.0004.000000T0000Z-201205T2000Z/

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST TUESDAY... * WHAT...Poor air quality. * WHERE...Simcoe Highlands, Kittitas Valley, Yakima Valley and East Slopes of the Washington Cascades. * WHEN...Until 10 AM PST Tuesday. Air Stagnation Advisory 2020-12-03T13:55:00-08:00 2020-12-08T10:00:00-08:00 Actual Alert Met Expected Minor Likely East Slopes of the Washington Cascades; Kittitas Valley; Simcoe Highlands; Yakima Valley FIPS6 053037 053039 053077 UGC WAZ026 WAZ027 WAZ520 WAZ521 VTEC /O.CON.KPDT.AS.Y.0003.000000T0000Z-201208T1800Z/

...FREEZING FOG ADVISORY WILL EXPIRE AT 2 PM PST THIS AFTERNOON... Freezing fog has started to lift across the region this afternoon as a weak upper level system begins to move in to the area. Widespread dense freezing fog is no longer expected. Therefore, will let the Freezing Fog Advisory expire at 2 PM PST. ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST Air Stagnation Advisory 2020-12-03T13:55:00-08:00 2020-12-08T10:00:00-08:00 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.ZF.Y.0003.000000T0000Z-201203T2200Z/ /O.CON.KPDT.AS.Y.0003.000000T0000Z-201208T1800Z/

...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 7 PM PST TUESDAY... * WHAT...Poor air quality. * WHERE...In Washington, Eastern Columbia River Gorge of Washington. In Oregon, Foothills of the Northern Blue Mountains of Oregon, John Day Basin, Southern Blue Mountains of Oregon, East Columbia River Gorge, Foothills of the Air Stagnation Advisory 2020-12-03T13:55:00-08:00 2020-12-08T19:00:00-08:00 Actual Alert Met Expected Minor Likely Eastern Columbia River Gorge of Washington FIPS6 053039 UGC WAZ024 VTEC /O.EXT.KPDT.AS.Y.0003.000000T0000Z-201209T0300Z/

...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 7 PM PST TUESDAY... * WHAT...Poor air quality. * WHERE...In Washington, Eastern Columbia River Gorge of Washington. In Oregon, Foothills of the Northern Blue Mountains of Oregon, John Day Basin, Southern Blue Mountains of Oregon, East Columbia River Gorge, Foothills of the Air Stagnation Advisory 2020-12-03T13:55:00-08:00 2020-12-08T19:00:00-08:00 Actual Alert Met Expected Minor Likely East Columbia River Gorge; Foothills of the Northern Blue Mountains of Oregon; Foothills of the Southern Blue Mountains of Oregon; John Day Basin; Lower Columbia Basin of Oregon; North Central Oregon; Southern Blue Mountains of Oregon FIPS6 041021 041023 041049 041055 041059 041061 041065 041069 UGC ORZ041 ORZ044 ORZ503 ORZ505 ORZ507 ORZ508 ORZ510 VTEC /O.EXT.KPDT.AS.Y.0003.000000T0000Z-201209T0300Z/

...AIR STAGNATION ADVISORY IN EFFECT UNTIL 7 PM PST TUESDAY... * WHAT...Poor air quality. * WHERE...Central Oregon. * WHEN...Until 7 PM PST Tuesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2020-12-03T13:55:00-08:00 2020-12-08T19:00:00-08:00 Actual Alert Met Expected Minor Likely Central Oregon FIPS6 041017 041031 UGC ORZ511 VTEC /O.EXB.KPDT.AS.Y.0003.000000T0000Z-201209T0300Z/

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY BELOW 1500 FEET... * WHAT...Poor air quality below 1500 feet. * WHERE...In Washington, South Washington Cascade Foothills and Willapa Hills. In Oregon, Coast Range of Northwest Oregon, Northern Oregon Cascade Foothills, Central Coast Range of Air Stagnation Advisory 2020-12-03T13:43:00-08:00 2020-12-05T10:00:00-08:00 Actual Alert Met Expected Minor Likely South Washington Cascade Foothills; Willapa Hills FIPS6 053011 053015 053049 053069 UGC WAZ020 WAZ040 VTEC /O.COR.KPQR.AS.Y.0002.000000T0000Z-201205T1800Z/

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY... * WHAT...Poor air quality. * WHERE...In Washington, I-5 Corridor in Cowlitz County. In Oregon, South Willamette Valley, Central Willamette Valley and Lower Columbia. Air Stagnation Advisory 2020-12-03T13:43:00-08:00 2020-12-05T10:00:00-08:00 Actual Alert Met Expected Minor Likely Lower Columbia and I - 5 Corridor in Cowlitz County FIPS6 053015 UGC WAZ022 VTEC /O.COR.KPQR.AS.Y.0002.000000T0000Z-201205T1800Z/

...AIR STAGNATION ADVISORY IN EFFECT UNTIL 10 AM PST SATURDAY... * WHAT...Poor air quality. * WHERE...In Washington, Greater Vancouver Area. In Oregon, Greater Portland Metro Area. Excluded from the advisory are areas from the west end of the Gorge through downtown Portland and up to the West Hills. Air Stagnation Advisory 2020-12-03T13:43:00-08:00 2020-12-05T10:00:00-08:00 Actual Alert Met Expected Minor Likely Greater Vancouver Area FIPS6 053011 UGC WAZ039 VTEC /O.COR.KPQR.AS.Y.0002.000000T0000Z-201205T1800Z/