NOAA Current Watches-OR

...DENSE FOG ADVISORY IN EFFECT UNTIL MIDNIGHT PST TONIGHT... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Greater Portland and Vancouver metro area. * WHEN...Until midnight PST tonight. * IMPACTS...Hazardous driving conditions due to low visibility. * ADDITIONAL DETAILS...Fog is already becoming dense across much Dense Fog Advisory 2020-11-21T17:24:00-08:00 2020-11-22T00:00:00-08:00 Actual Alert Met Expected Minor Likely Greater Portland Metro Area FIPS6 041005 041051 041067 UGC ORZ006 VTEC /O.NEW.KPQR.FG.Y.0023.201122T0124Z-201122T0800Z/

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST SUNDAY... * WHAT...High pressure over the area is resulting in light winds, a strong inversion, and limited mixing. These conditions are expected to persist through Sunday morning leading to the potential for diminishing air quality. Air Stagnation Advisory 2020-11-21T14:20:00-08:00 2020-11-22T13:00:00-08:00 Actual Alert Met Expected Minor Likely Central Douglas County; Central and Eastern Lake County; Eastern Curry County and Josephine County; Jackson County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County FIPS6 041011 041015 041019 041029 041033 041035 041037 UGC ORZ023 ORZ024 ORZ026 ORZ029 ORZ030 ORZ031 VTEC /O.CON.KMFR.AS.Y.0002.000000T0000Z-201122T2100Z/

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST SUNDAY... * WHAT...High pressure over the area is resulting in light winds, a strong inversion, and limited mixing. These conditions are expected to persist through Sunday morning leading to the potential for diminishing air quality. Air Stagnation Advisory 2020-11-21T08:02:00-08:00 2020-11-22T13:00:00-08:00 Actual Alert Met Expected Minor Likely Central Douglas County; Central and Eastern Lake County; Eastern Curry County and Josephine County; Jackson County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County FIPS6 041011 041015 041019 041029 041033 041035 041037 UGC ORZ023 ORZ024 ORZ026 ORZ029 ORZ030 ORZ031 VTEC /O.CON.KMFR.AS.Y.0002.000000T0000Z-201122T2100Z/

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS MORNING... * WHAT...Visibility one quarter to one half mile. * WHERE...In Washington, Greater Vancouver Area. In Oregon, South Willamette Valley, Coast Range of Northwest Oregon, Central Willamette Valley, Greater Portland Metro Area and Dense Fog Advisory 2020-11-21T03:16:00-08:00 2020-11-21T11:00:00-08:00 Actual Alert Met Expected Minor Likely Central Coast Range of Western Oregon; Central Willamette Valley; Coast Range of Northwest Oregon; Greater Portland Metro Area; South Willamette Valley FIPS6 041003 041005 041007 041009 041039 041041 041043 041047 041051 041053 041057 041067 041071 UGC ORZ003 ORZ004 ORZ006 ORZ007 ORZ008 VTEC /O.CON.KPQR.FG.Y.0022.000000T0000Z-201121T1900Z/

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PST THIS MORNING... * WHAT...Visibility one quarter to one half mile. * WHERE...In Washington, I-5 Corridor in Cowlitz County. In Oregon, Lower Columbia. * WHEN...Until 11 AM PST this morning. * IMPACTS...Hazardous driving conditions due to low visibility. Dense Fog Advisory 2020-11-21T03:16:00-08:00 2020-11-21T11:00:00-08:00 Actual Alert Met Expected Minor Likely Lower Columbia FIPS6 041009 UGC ORZ005 VTEC /O.EXA.KPQR.FG.Y.0022.000000T0000Z-201121T1900Z/

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PST SATURDAY... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Coast Range of Northwest Oregon and Central Coast Range of Western Oregon. * WHEN...Until 11 AM PST Saturday. * IMPACTS...Hazardous driving conditions due to low visibility. Dense Fog Advisory 2020-11-20T20:18:00-08:00 2020-11-21T11:00:00-08:00 Actual Alert Met Expected Minor Likely Central Coast Range of Western Oregon; Coast Range of Northwest Oregon FIPS6 041003 041007 041009 041039 041041 041053 041057 041067 041071 UGC ORZ003 ORZ004 VTEC /O.EXA.KPQR.FG.Y.0022.000000T0000Z-201121T1900Z/

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST SATURDAY... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...The Willamette Valley and the Greater Portland and Vancouver metro area. * WHEN...Until 11 AM PST Saturday. Dense Fog Advisory 2020-11-20T20:18:00-08:00 2020-11-21T11:00:00-08:00 Actual Alert Met Expected Minor Likely Central Willamette Valley; Greater Portland Metro Area; South Willamette Valley FIPS6 041003 041005 041039 041043 041047 041051 041053 041067 041071 UGC ORZ006 ORZ007 ORZ008 VTEC /O.CON.KPQR.FG.Y.0022.000000T0000Z-201121T1900Z/

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PST SATURDAY... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...The Willamette Valley and the Greater Portland and Vancouver metro area. * WHEN...Until 11 AM PST Saturday. * IMPACTS...Hazardous driving conditions due to low visibility. Dense Fog Advisory 2020-11-20T20:00:00-08:00 2020-11-21T11:00:00-08:00 Actual Alert Met Expected Minor Likely Central Willamette Valley; Greater Portland Metro Area; South Willamette Valley FIPS6 041003 041005 041039 041043 041047 041051 041053 041067 041071 UGC ORZ006 ORZ007 ORZ008 VTEC /O.NEW.KPQR.FG.Y.0022.201121T0400Z-201121T1900Z/

...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM PST SATURDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...South Central Oregon Coast. * WHEN...From 2 AM to 8 AM PST Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if Frost Advisory 2020-11-21T02:00:00-08:00 2020-11-21T08:00:00-08:00 Actual Alert Met Expected Minor Likely South Central Oregon Coast FIPS6 041011 UGC ORZ021 VTEC /O.NEW.KMFR.FR.Y.0030.201121T1000Z-201121T1600Z/

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST SUNDAY... * WHAT...High pressure will build into the area resulting in light winds, a strong inversion, and limited mixing. These conditions are expected to persist through Sunday morning leading to the potential for diminishing air quality. Air Stagnation Advisory 2020-11-20T15:06:00-08:00 2020-11-22T13:00:00-08:00 Actual Alert Met Expected Minor Likely Central Douglas County; Central and Eastern Lake County; Eastern Curry County and Josephine County; Jackson County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County FIPS6 041011 041015 041019 041029 041033 041035 041037 UGC ORZ023 ORZ024 ORZ026 ORZ029 ORZ030 ORZ031 VTEC /O.CON.KMFR.AS.Y.0002.000000T0000Z-201122T2100Z/

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST SUNDAY... * WHAT...High pressure will build into the area resulting in light winds, a strong inversion, and limited mixing. These conditions are expected to persist through Sunday morning leading to the potential for diminishing air quality. Air Stagnation Advisory 2020-11-20T14:37:00-08:00 2020-11-22T13:00:00-08:00 Actual Alert Met Expected Minor Likely Central Douglas County; Central and Eastern Lake County; Eastern Curry County and Josephine County; Jackson County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County FIPS6 041011 041015 041019 041029 041033 041035 041037 UGC ORZ023 ORZ024 ORZ026 ORZ029 ORZ030 ORZ031 VTEC /O.CON.KMFR.AS.Y.0002.000000T0000Z-201122T2100Z/

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Central Willamette Valley. * WHEN...Until noon PST today. * IMPACTS...Hazardous driving conditions due to low visibility. Dense Fog Advisory 2020-11-20T11:21:00-08:00 2020-11-20T12:00:00-08:00 Actual Alert Met Expected Minor Likely Central Willamette Valley FIPS6 041047 041053 041071 UGC ORZ007 VTEC /O.CON.KPQR.FG.Y.0021.000000T0000Z-201120T2000Z/

...DENSE FOG ADVISORY IN EFFECT UNTIL NOON PST TODAY... * WHAT...Visibility less than one quarter mile in dense fog. * WHERE...Greater Portland Metro Area, Central Willamette Valley and South Willamette Valley. * WHEN...Until noon PST today. * IMPACTS...Hazardous driving conditions due to low visibility. Dense Fog Advisory 2020-11-20T08:07:00-08:00 2020-11-20T12:00:00-08:00 Actual Alert Met Expected Minor Likely Central Willamette Valley; Greater Portland Metro Area; South Willamette Valley FIPS6 041003 041005 041039 041043 041047 041051 041053 041067 041071 UGC ORZ006 ORZ007 ORZ008 VTEC /O.NEW.KPQR.FG.Y.0021.201120T1607Z-201120T2000Z/

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST SUNDAY... * WHAT...High pressure will build into the area resulting in light winds, a strong inversion, and limited mixing. These conditions are expected to persist through Sunday morning leading to the potential for diminishing air quality. Air Stagnation Advisory 2020-11-19T18:00:00-08:00 2020-11-22T13:00:00-08:00 Actual Alert Met Expected Minor Likely Central Douglas County; Central and Eastern Lake County; Eastern Curry County and Josephine County; Jackson County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County FIPS6 041011 041015 041019 041029 041033 041035 041037 UGC ORZ023 ORZ024 ORZ026 ORZ029 ORZ030 ORZ031 VTEC /O.CON.KMFR.AS.Y.0002.201120T0200Z-201122T2100Z/

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON ABOVE 3500 FEET... * WHAT...Snow showers above 3500 feet. Additional snow accumulations between 1 and 3 inches. * WHERE...In Washington, South Washington Cascades. In Oregon, Northern Oregon Cascades. Winter Weather Advisory 2020-11-19T12:09:00-08:00 2020-11-19T15:00:00-08:00 Actual Alert Met Expected Minor Likely Northern Oregon Cascades FIPS6 041005 041027 041043 041047 UGC ORZ011 VTEC /O.CON.KPQR.WW.Y.0023.000000T0000Z-201119T2300Z/

...AIR STAGNATION ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 1 PM PST SUNDAY... * WHAT...High pressure will build into the area resulting in light winds, strong inversions and limited mixing. These conditions are expected to persist through Sunday morning leading to periods of poor air quality. Air Stagnation Advisory 2020-11-19T18:00:00-08:00 2020-11-22T13:00:00-08:00 Actual Alert Met Expected Minor Likely Central Douglas County; Central and Eastern Lake County; Eastern Curry County and Josephine County; Jackson County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County FIPS6 041011 041015 041019 041029 041033 041035 041037 UGC ORZ023 ORZ024 ORZ026 ORZ029 ORZ030 ORZ031 VTEC /O.NEW.KMFR.AS.Y.0002.201120T0200Z-201122T2100Z/

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON ABOVE 3500 FEET... * WHAT...Snow above 3500 feet. Additional snow accumulations of 2 to 6 inches with highest amounts above 5000 ft. Snow is expected to decrease by early afternoon. * WHERE...In Washington, South Washington Cascades. In Oregon, Winter Weather Advisory 2020-11-19T04:23:00-08:00 2020-11-19T15:00:00-08:00 Actual Alert Met Expected Minor Likely Cascades in Lane County; Northern Oregon Cascades FIPS6 041005 041027 041039 041043 041047 UGC ORZ011 ORZ013 VTEC /O.CON.KPQR.WW.Y.0023.000000T0000Z-201119T2300Z/

...Periods of moderate to heavy snow tonight... .Periods of moderate to heavy snowfall are expected tonight across the mountains from around Highway 140 near Lake of the Woods northward. This snow is likely to impact the Crater and Diamond Lake areas, as well as the Chemult area. ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST Winter Weather Advisory 2020-11-18T22:05:00-08:00 2020-11-19T10:00:00-08:00 Actual Alert Met Expected Minor Likely South Central Oregon Cascades FIPS6 041019 041035 UGC ORZ027 VTEC /O.CON.KMFR.WW.Y.0021.000000T0000Z-201119T1800Z/

...Periods of moderate to heavy snow tonight... .Periods of moderate to heavy snowfall are expected tonight across the mountains from around Highway 140 near Lake of the Woods northward. This snow is likely to impact the Crater and Diamond Lake areas, as well as the Chemult area. ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST THURSDAY. Winter Weather Advisory 2020-11-18T22:05:00-08:00 2020-11-19T10:00:00-08:00 Actual Alert Met Expected Minor Likely Siskiyou Mountains and Southern Oregon Cascades FIPS6 041029 041035 UGC ORZ028 VTEC /O.EXA.KMFR.WW.Y.0021.000000T0000Z-201119T1800Z/

...Periods of moderate to heavy snow tonight... .Periods of moderate to heavy snowfall are expected tonight across the mountains from around Highway 140 near Lake of the Woods northward. This snow is likely to impact the Crater and Diamond Lake areas, as well as the Chemult area. ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST THURSDAY... Winter Weather Advisory 2020-11-18T22:05:00-08:00 2020-11-19T10:00:00-08:00 Actual Alert Met Expected Minor Likely Northern and Eastern Klamath County and Western Lake County FIPS6 041035 041037 UGC ORZ030 VTEC /O.EXA.KMFR.WW.Y.0021.000000T0000Z-201119T1800Z/