Alert archive / California / Red Flag Warnings in 2021
Red Flag Warning 1, NWS Sacramento, CA
NWS Sacramento, CA issued this red flag warning at May 1, 2021, 1:59 PM PDT. It took effect at May 2, 2021, 11:00 AM PDT. It was in force for 51 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 1, 2021, 1:59 PM PDT (20:59 UTC)
- In effect from
- May 2, 2021, 11:00 AM PDT
- Expired
- May 4, 2021, 2:21 PM PDT
- In force
- 51 hr
- Issued by
- NWS Sacramento, CA
The text
As transmitted.
002 WWUS86 KSTO 012059 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 159 PM PDT Sat May 1 2021 ...Critical Fire Weather Conditions Sunday into Tuesday Due to Gusty Wind and Low Humidity... .Gusty north to east wind develops over portions of the Central Valley, Delta, and surrounding foothills Sunday and persists into Tuesday afternoon. Combined with low humidity, this will result in potential critical fire weather conditions. Strongest wind forecast along the west side of the Sacramento Valley. Lighter wind expected Wednesday. CAZ215>219-266-267-021300- /O.UPG.KSTO.FW.A.0001.210502T1800Z-210505T0000Z/ /O.NEW.KSTO.FW.W.0001.210502T1800Z-210505T0000Z/ Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft- Central Sacramento Valley in Glenn, Colusa, Yuba, Northern Sutter, and Butte County Below 1000 Ft- Southern Sacramento Valley in Yolo- Sacramento Far Western Placer, southern Sutter and Solano County Below 1000 Ft-Carquinez Strait and Delta- Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft- Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units- Northern Motherlode From 1000 to 3000 Ft. Includes portions of Nevada-Yuba-Placer-Amador and ElDorado Units- 159 PM PDT Sat May 1 2021 ...RED FLAG WARNING IN EFFECT FROM 11 AM SUNDAY TO 5 PM PDT TUESDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 215, 216, 217, 218, 219, 266, AND 267... The National Weather Service in Sacramento has issued a Red Flag Warning, which is in effect from 11 AM Sunday to 5 PM PDT Tuesday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire weather zone 215, 216, 217, 218, 219, 266, and, 267. * WIND...North 15 to 25 mph with gusts 30 to 40 mph, strongest west of Interstate 5 and along the foothills of the Coastal Range. * HUMIDITY...Minimum daytime humidity 9 to 20 percent. Maximum overnight humidity generally between 30 and 60 percent, locally lower. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
6 follow-up statements
841 WWUS86 KSTO 020930 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 230 AM PDT Sun May 2 2021 ...Critical Fire Weather Conditions Today into Tuesday Due to Gusty Wind and Low Humidity... .Gusty north to east wind expected over portions of the Central Valley, Delta, and surrounding foothills today into Tuesday afternoon. Combined with low humidity, this will result in potential critical fire weather conditions. Strongest wind forecast along the west side of the Sacramento Valley. Lighter wind expected Wednesday. CAZ215>219-266-267-022300- /O.CON.KSTO.FW.W.0001.210502T1800Z-210505T0000Z/ Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft- Central Sacramento Valley in Glenn, Colusa, Yuba, Northern Sutter, and Butte County Below 1000 Ft- Southern Sacramento Valley in Yolo- Sacramento Far Western Placer, southern Sutter and Solano County Below 1000 Ft-Carquinez Strait and Delta- Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft- Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units- Northern Motherlode From 1000 to 3000 Ft. Includes portions of Nevada-Yuba-Placer-Amador and ElDorado Units- 230 AM PDT Sun May 2 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 5 PM PDT TUESDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 215, 216, 217, 218, 219, 266, AND 267... * AFFECTED AREA...Fire weather zone 215, 216, 217, 218, 219, 266, and 267. * WIND...North 10 to 25 mph with gusts 30 to 40 mph, strongest west of Interstate 5 and along the foothills of the Coastal Range. * HUMIDITY...Minimum daytime humidity 7 to 20 percent. Maximum overnight humidity generally between 30 and 55 percent, locally lower. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
450 WWUS86 KSTO 022057 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 157 PM PDT Sun May 2 2021 ...Critical Fire Weather Conditions Continue into Tuesday Due to Gusty Wind and Low Humidity... .Gusty north to east wind expected over portions of the Central Valley, Delta, and surrounding foothills today into Tuesday afternoon. Combined with low humidity, this will result in critical fire weather conditions. Strongest wind forecast along the west side of the Sacramento Valley. Lighter wind expected Wednesday. CAZ215>219-266-267-031400- /O.CON.KSTO.FW.W.0001.000000T0000Z-210505T0000Z/ Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft- Central Sacramento Valley in Glenn, Colusa, Yuba, Northern Sutter, and Butte County Below 1000 Ft- Southern Sacramento Valley in Yolo- Sacramento Far Western Placer, southern Sutter and Solano County Below 1000 Ft-Carquinez Strait and Delta- Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft- Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units- Northern Motherlode From 1000 to 3000 Ft. Includes portions of Nevada-Yuba-Placer-Amador and ElDorado Units- 157 PM PDT Sun May 2 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM PDT TUESDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 215, 216, 217, 218, 219, 266, AND 267... * AFFECTED AREA...Fire weather zone 215, 216, 217, 218, 219, 266, and 267. * WIND...North 10 to 25 mph with gusts up to 35 mph, locally up to 40 mph. Strongest wind expected west of Interstate 5 and along the foothills of the Coastal Range. * HUMIDITY...Minimum daytime humidity 7 to 20 percent. Maximum overnight humidity generally between 30 and 55 percent, locally lower. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
879 WWUS86 KSTO 031000 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 300 AM PDT Mon May 3 2021 ...Critical Fire Weather Conditions Continue into Tuesday Due to Gusty Wind and Low Humidity... .Gusty north to east wind expected over portions of the Central Valley, Delta, and surrounding foothills today into Tuesday afternoon. Combined with low humidity, this will result in critical fire weather conditions. Strongest wind forecast along the west side of the Sacramento Valley. Lighter wind expected Wednesday. CAZ215>219-266-267-032300- /O.CON.KSTO.FW.W.0001.000000T0000Z-210505T0000Z/ Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft- Central Sacramento Valley in Glenn, Colusa, Yuba, Northern Sutter, and Butte County Below 1000 Ft- Southern Sacramento Valley in Yolo- Sacramento Far Western Placer, southern Sutter and Solano County Below 1000 Ft-Carquinez Strait and Delta- Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft- Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units- Northern Motherlode From 1000 to 3000 Ft. Includes portions of Nevada-Yuba-Placer-Amador and ElDorado Units- 300 AM PDT Mon May 3 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM PDT TUESDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 215, 216, 217, 218, 219, 266, AND 267... * AFFECTED AREA...Fire weather zones 215, 216, 217, 218, 219, 266, and 267. * WIND...North 10 to 25 mph with gusts up to 35 mph, locally up to 40 mph. Strongest wind expected west of Interstate 5 and along the foothills of the Coastal Range. * HUMIDITY...Minimum daytime humidity 7 to 20 percent. Maximum overnight humidity generally between 30 and 55 percent, locally lower. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
000 WWUS86 KSTO 032104 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 204 PM PDT Mon May 3 2021 ...Critical Fire Weather Conditions Continue into Tuesday Due to Gusty Wind and Low Humidity... .Gusty north to east wind expected to continue over portions of the Central Valley, Delta, and surrounding foothills into Tuesday afternoon. Combined with low humidity, this will result in critical fire weather conditions. Strongest wind forecast along the west side of the Sacramento Valley. Lighter wind expected by Wednesday. CAZ215>219-266-267-041200- /O.CON.KSTO.FW.W.0001.000000T0000Z-210505T0000Z/ Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft- Central Sacramento Valley in Glenn, Colusa, Yuba, Northern Sutter, and Butte County Below 1000 Ft- Southern Sacramento Valley in Yolo- Sacramento Far Western Placer, southern Sutter and Solano County Below 1000 Ft-Carquinez Strait and Delta- Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft- Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units- Northern Motherlode From 1000 to 3000 Ft. Includes portions of Nevada-Yuba-Placer-Amador and ElDorado Units- 204 PM PDT Mon May 3 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM PDT TUESDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 215, 216, 217, 218, 219, 266, AND 267... * AFFECTED AREA...Fire weather zones 215, 216, 217, 218, 219, 266, and 267. * WIND...North 10 to 25 mph with gusts up to 35 mph, locally up to 40 mph. Strongest wind expected west of Interstate 5 and along the foothills of the Coastal Range. * HUMIDITY...Minimum daytime humidity 7 to 20 percent. Maximum overnight humidity generally between 30 and 55 percent, locally lower. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
471 WWUS86 KSTO 041000 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 300 AM PDT Tue May 4 2021 ...Critical Fire Weather Conditions Continue Today Due to Gusty Wind and Low Humidity... .Gusty north to east wind combined with low humidity will continue critical fire weather conditions today over portions of the Central Valley, Delta, and surrounding foothills. Strongest wind forecast along the west side of the Sacramento Valley. Locally gusty wind lingers tonight with lighter wind expected Wednesday. CAZ215>219-266-267-050000- /O.CON.KSTO.FW.W.0001.000000T0000Z-210505T0000Z/ Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft- Central Sacramento Valley in Glenn, Colusa, Yuba, Northern Sutter, and Butte County Below 1000 Ft- Southern Sacramento Valley in Yolo- Sacramento Far Western Placer, southern Sutter and Solano County Below 1000 Ft-Carquinez Strait and Delta- Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft- Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units- Northern Motherlode From 1000 to 3000 Ft. Includes portions of Nevada-Yuba-Placer-Amador and ElDorado Units- 300 AM PDT Tue May 4 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 215, 216, 217, 218, 219, 266, AND 267... * AFFECTED AREA...Fire weather zone 215, 216, 217, 218, 219, 266, and 267. * WIND...North 10 to 20 mph with gusts up to 30 mph, locally up to 35 mph. Strongest wind expected west of Interstate 5 and along the foothills of the Coastal Range this morning. * HUMIDITY...Minimum daytime humidity 8 to 20 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
503 WWUS86 KSTO 042121 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 221 PM PDT Tue May 4 2021 CAZ215>219-266-267-042230- /O.CAN.KSTO.FW.W.0001.000000T0000Z-210505T0000Z/ Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft- Central Sacramento Valley in Glenn, Colusa, Yuba, Northern Sutter, and Butte County Below 1000 Ft- Southern Sacramento Valley in Yolo- Sacramento Far Western Placer, southern Sutter and Solano County Below 1000 Ft-Carquinez Strait and Delta- Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft- Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units- Northern Motherlode From 1000 to 3000 Ft. Includes portions of Nevada-Yuba-Placer-Amador and ElDorado Units- 221 PM PDT Tue May 4 2021 ...RED FLAG WARNING IS CANCELLED FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 215, 216, 217, 218, 219, 266, AND 267... The National Weather Service in Sacramento has cancelled the Red Flag Warning. Winds continue to decrease this afternoon...therefore the Red Flag Warning has been cancelled. Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
Nearby
Red Flag Warnings in California, 2021Every red flag warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.