NOAA Current Watches-OR

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST /10 AM PST/ SATURDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. * WHERE...Southeast Oregon and portions of southwest Idaho. * WHEN...Until 11 AM MST /10 AM PST/ Saturday. Air Stagnation Advisory 2020-12-04T05:41:00-08:00 2020-12-05T10:00:00-08:00 Actual Alert Met Expected Minor Likely Baker County; Harney County; Malheur County; Oregon Lower Treasure Valley FIPS6 041001 041025 041045 UGC ORZ061 ORZ062 ORZ063 ORZ064 VTEC /O.CON.KBOI.AS.Y.0001.000000T0000Z-201205T1800Z/

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY... ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PST THIS MORNING... * WHAT...For the Air Stagnation Advisory, poor air quality. For the Dense Fog Advisory, visibility less than one mile in dense fog. Dense Fog Advisory 2020-12-04T04:00:00-08:00 2020-12-04T11:00:00-08:00 Actual Alert Met Expected Minor Likely South Willamette Valley FIPS6 041003 041039 041043 UGC ORZ008 VTEC /O.NEW.KPQR.FG.Y.0028.201204T1200Z-201204T1900Z/ /O.CON.KPQR.AS.Y.0002.000000T0000Z-201205T1800Z/

...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 2020-12-04T03:59:00-08:00 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 2020-12-04T03:59:00-08:00 2020-12-05T10:00:00-08:00 Actual Alert Met Expected Minor Likely Central Willamette Valley; Lower Columbia FIPS6 041009 041047 041053 041071 UGC ORZ005 ORZ007 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 2020-12-04T03:59:00-08:00 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 10 AM PST SATURDAY... ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PST THIS MORNING... * WHAT...For the Air Stagnation Advisory, poor air quality. For the Dense Fog Advisory, visibility less than one mile in dense fog. Air Stagnation Advisory 2020-12-04T03:59:00-08:00 2020-12-05T10:00:00-08:00 Actual Alert Met Expected Minor Likely South Willamette Valley FIPS6 041003 041039 041043 UGC ORZ008 VTEC /O.NEW.KPQR.FG.Y.0028.201204T1200Z-201204T1900Z/ /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 2020-12-04T03:59:00-08:00 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/

Areas of freezing fog will persist through the morning across the Lower Columbia Basin, with visibilities down to a mile or less in some areas. Roads and sidewalks could become slick. Leave extra time for the morning commute and be mindful of possible icy patches while driving. Special Weather Statement 2020-12-03T18:08:00-08:00 2020-12-04T10:00:00-08:00 Actual Alert Met Expected Minor Observed Lower Columbia Basin of Oregon FIPS6 041049 041059 UGC ORZ044 VTEC

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 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, Central Oregon, Southern Air Stagnation Advisory 2020-12-03T18:08:00-08:00 2020-12-08T19:00:00-08:00 Actual Alert Met Expected Minor Likely Central Oregon; 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 041017 041021 041023 041031 041049 041055 041059 041061 041065 041069 UGC ORZ041 ORZ044 ORZ503 ORZ505 ORZ507 ORZ508 ORZ510 ORZ511 VTEC /O.CON.KPDT.AS.Y.0003.000000T0000Z-201209T0300Z/

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 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 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 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.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 Central Willamette Valley; Lower Columbia; South Willamette Valley FIPS6 041003 041009 041039 041043 041047 041053 041071 UGC ORZ005 ORZ007 ORZ008 VTEC /O.COR.KPQR.AS.Y.0002.000000T0000Z-201205T1800Z/