Alert archive / California / Red Flag Warnings in 2021
Red Flag Warning 6, NWS Sacramento, CA
NWS Sacramento, CA issued this red flag warning at Aug 17, 2021, 3:00 AM PDT. It took effect at Aug 17, 2021, 1:00 PM PDT. It was in force for 55 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
- Aug 17, 2021, 3:00 AM PDT (10:00 UTC)
- In effect from
- Aug 17, 2021, 1:00 PM PDT
- Expired
- Aug 19, 2021, 8:00 PM PDT
- In force
- 55 hr
- Issued by
- NWS Sacramento, CA
The text
As transmitted.
630 WWUS86 KSTO 171000 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 300 AM PDT Tue Aug 17 2021 ...Red Flag Warning Tuesday evening and Wednesday for much of the Sacramento Valley and surrounding foothill and mountain terrain due to breezy winds and low humidity... .Gusty north to northeast winds will develop Tuesday evening across much of the Sacramento Valley and surrounding terrain and will continue through Wednesday. These winds, combined with low humidity and extremely dry fuels, will lead to critical fire weather conditions. CAZ213>217-263-266-268-279-172300- /O.UPG.KSTO.FW.A.0004.210818T0300Z-210819T0300Z/ /O.NEW.KSTO.FW.W.0006.210818T0000Z-210819T0300Z/ Eastern Portion of Shasta/Trinity NF- Burney Basin and Northeast Plateau in Shasta County Including Northwest Lassen NF north of Lassen NP- 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-Southeast Edge Shasta- Trinity NF and Western Portions of Tehama-Glenn Unit- Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units- Northern Sierra Including Lassen NP and Plumas and Lassen NF/S West of the Sierra Crest (West of Evans Peak-Grizzly Peak- Beckworth Peak)-Eastern Mendocino NF- 300 AM PDT Tue Aug 17 2021 ...RED FLAG WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 PM PDT WEDNESDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 214, 215, 216, 217, 263, 266, 268, AND 279... The National Weather Service in Sacramento has issued a Red Flag Warning, which is in effect from 5 PM this afternoon to 8 PM PDT Wednesday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire weather zone 213, 214, 215, 216, 217, 263, 266, 268, and 279. * WIND...North to northeast wind gusts of 25 to 35 mph will develop Tuesday night and continue Wednesday. Strongest winds are expected along the western side of the Sacramento Valley and near favorably oriented canyons across the foothills and mountains. * HUMIDITY...Minimum humidity of 9 to 15 percent expected Wednesday. * 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 $$ CAZ267-269-172300- /O.NEW.KSTO.FW.W.0006.210818T0000Z-210819T0300Z/ Northern Motherlode From 1000 to 3000 Ft. Includes portions of Nevada-Yuba-Placer-Amador and ElDorado Units- Northern Sierra Including the Tahoe and ElDorado NF/S West of the Sierra Crest- 300 AM PDT Tue Aug 17 2021 ...RED FLAG WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 PM PDT WEDNESDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 267 AND 269... The National Weather Service in Sacramento has issued a Red Flag Warning, which is in effect from 5 PM this afternoon to 8 PM PDT Wednesday. * AFFECTED AREA...Fire weather zone 267 and 269. * WIND...North to northeast wind gusts of 25 to 35 mph will develop Tuesday night and continue Wednesday. Strongest winds are expected along the western side of the Sacramento Valley and near favorably oriented canyons across the foothills and mountains. * HUMIDITY...Minimum humidity of 10 to 15 percent expected Wednesday. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
6 follow-up statements
653 WWUS86 KSTO 171730 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 1030 AM PDT Tue Aug 17 2021 ...Red Flag Warning Tuesday Afternoon through Wednesday due to Breezy Winds and Low Humidity... .Locally breezy south to southwest winds expected Tuesday afternoon, especially along the western slopes of the Sierra Nevada. Then winds will shift to the north to northeast and increase Tuesday evening across much of the Sacramento Valley, surrounding terrain, and western slopes of the Sierra Nevada and will continue through Wednesday. These winds, combined with low humidity and extremely dry fuels, will lead to critical fire weather conditions. CAZ221-181600- /O.EXB.KSTO.FW.W.0006.210817T2000Z-210819T0300Z/ Stanislaus NF West of the Sierra Crest- 1030 AM PDT Tue Aug 17 2021 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT WEDNESDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 221... The National Weather Service in Sacramento has issued a Red Flag Warning, which is in effect until 8 PM PDT Wednesday. * AFFECTED AREA...The west slope of the Sierra Nevada. Includes fire weather zone 221. * WIND... West to southwest wind gusts up to 25 to 35 mph Tuesday, shifting to east to northeast winds Tuesday night and continuing Wednesday. Strongest winds are expected over high elevations and near favorably oriented canyons. * HUMIDITY...Minimum humidity of 10 to 25 percent expected with moderate to poor overnight recoveries. * IMPACTS...Any active fires or new 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 $$ CAZ213>217-263-266>269-279-181600- /O.EXT.KSTO.FW.W.0006.210817T2000Z-210819T0300Z/ Eastern Portion of Shasta/Trinity NF- Burney Basin and Northeast Plateau in Shasta County Including Northwest Lassen NF north of Lassen NP- 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-Southeast Edge Shasta- Trinity NF and Western Portions of Tehama-Glenn Unit- 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- Northern Sierra Including Lassen NP and Plumas and Lassen NF/S West of the Sierra Crest (West of Evans Peak-Grizzly Peak- Beckworth Peak)- Northern Sierra Including the Tahoe and ElDorado NF/S West of the Sierra Crest-Eastern Mendocino NF- 1030 AM PDT Tue Aug 17 2021 ...RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM PDT WEDNESDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 214, 215, 216, 217, 263, 266, 267, 268, 269, AND 279... * AFFECTED AREA...Much of the Sacramento Valley and surrounding foothill and mountain terrain. Includes fire weather zones 213, 214, 215, 216, 217, 263, 266, 267, 268, 269, and 279. * WIND...South to southwest winds Tuesday. North to northeast wind gusts of 25 to 35 mph will develop Tuesday night and continue Wednesday. Strongest winds are expected along the western side of the Sacramento Valley and near high elevations and favorably oriented canyons across the foothills and mountains. * HUMIDITY...Minimum humidity of 9 to 15 percent with moderate to locally poor overnight recoveries. * IMPACTS...Any active fires or new 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 $$
877 WWUS86 KSTO 181052 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 352 AM PDT Wed Aug 18 2021 ...Red Flag Warning through Late Today due to Gusty Winds and Low Humidity... .Gusty north winds increase today across much of the Sacramento Valley and surrounding terrain. These winds, combined with low humidity and extremely dry fuels, will bring critical fire weather conditions. CAZ213>217-221-263-266>269-279-190300- /O.CON.KSTO.FW.W.0006.000000T0000Z-210819T0300Z/ Eastern Portion of Shasta/Trinity NF- Burney Basin and Northeast Plateau in Shasta County Including Northwest Lassen NF north of Lassen NP- 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-Stanislaus NF West of the Sierra Crest- Southeast Edge Shasta-Trinity NF and Western Portions of Tehama- Glenn Unit- 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- Northern Sierra Including Lassen NP and Plumas and Lassen NF/S West of the Sierra Crest (West of Evans Peak-Grizzly Peak- Beckworth Peak)- Northern Sierra Including the Tahoe and ElDorado NF/S West of the Sierra Crest-Eastern Mendocino NF- 352 AM PDT Wed Aug 18 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 214, 215, 216, 217, 221, 263, 266, 267, 268, 269, AND 279... * AFFECTED AREA...Much of the Sacramento Valley and surrounding foothill and mountain terrain. Includes fire weather zones 213, 214, 215, 216, 217, 221, 263, 266, 267, 268, 269, and 279. * WIND...North to northeast wind gusts of 25 to 40 mph. Strongest winds are expected along the western side of the Sacramento Valley and near high elevations and favorably oriented canyons across the foothills and mountains. * HUMIDITY...Minimum humidity of 9 to 15 percent. * IMPACTS...Any active fires or new 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 $$
982 WWUS86 KSTO 181704 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 1004 AM PDT Wed Aug 18 2021 ...Red Flag Warning through Thursday due to Gusty Winds and Low Humidity... .Gusty north to east winds continue today through tomorrow across much of the Sacramento Valley and surrounding terrain. Strongest Valley winds will be today. Valley winds will lessen some overnight then increase again tomorrow, though will not be as strong as today. Winds are forecast to increase over the western Sierra slopes overnight tonight before decreasing tomorrow morning. These gusty winds, combined with low humidity and extremely dry fuels, will bring critical fire weather conditions. CAZ214-221-267>269-191600- /O.EXT.KSTO.FW.W.0006.000000T0000Z-210819T1800Z/ Burney Basin and Northeast Plateau in Shasta County Including Northwest Lassen NF north of Lassen NP- Stanislaus NF West of the Sierra Crest- Northern Motherlode From 1000 to 3000 Ft. Includes portions of Nevada-Yuba-Placer-Amador and ElDorado Units- Northern Sierra Including Lassen NP and Plumas and Lassen NF/S West of the Sierra Crest (West of Evans Peak-Grizzly Peak- Beckworth Peak)- Northern Sierra Including the Tahoe and ElDorado NF/S West of the Sierra Crest- 1004 AM PDT Wed Aug 18 2021 ...RED FLAG WARNING NOW IN EFFECT UNTIL 11 AM PDT THURSDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 214, 221, 267, 268, AND 269... * AFFECTED AREA...Western slopes of the Sierra Nevada, western Plumas County, and Burney Basin, including fire weather zones 214, 221, 267, 268,and 269. * WIND...North to northeast wind gusts of 25 to 35 mph, locally higher in favored gaps and canyons. Strongest winds are expected over higher elevations and favorably oriented gaps and canyons. * HUMIDITY...Minimum humidity of 10 to 25 percent with moderate to poor overnight recoveries. * IMPACTS...Any active fires or new 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 $$ CAZ213-215>217-263-266-279-191600- /O.EXT.KSTO.FW.W.0006.000000T0000Z-210820T0300Z/ Eastern Portion of Shasta/Trinity NF- 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-Southeast Edge Shasta- Trinity NF and Western Portions of Tehama-Glenn Unit- Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units-Eastern Mendocino NF- 1004 AM PDT Wed Aug 18 2021 ...RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM PDT THURSDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 215, 216, 217, 263, 266, AND 279... * AFFECTED AREA...Much of the Sacramento Valley and surrounding foothill and mountain terrain, including fire weather zones 213, 215, 216, 217, 263, 266, and 279. * WIND...North to northeast wind gusts of 25 to 40 mph today, 20 to 30 mph on Thursday. Strongest winds are expected along the western side of the Sacramento Valley and near high elevations and favorably oriented canyons across the foothills and mountains. * HUMIDITY...Minimum humidity of 9 to 15 percent with moderate to poor overnight recoveries. * IMPACTS...Any active fires or new 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 $$
417 WWUS86 KSTO 190849 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 149 AM PDT Thu Aug 19 2021 ...Red Flag Warning through this Evening due to Gusty Winds and Low Humidity... .Gusty north to east winds continue today across much of the Sacramento Valley and the surrounding terrain. Gusty winds over the western Sierra slopes continue through late morning before decreasing. Valley winds stay breezy through this evening, although winds are expected to be less strong than those experienced yesterday. These gusty winds, combined with low humidity and extremely dry fuels, will bring critical fire weather conditions. CAZ214-221-267>269-191800- /O.CON.KSTO.FW.W.0006.000000T0000Z-210819T1800Z/ Burney Basin and Northeast Plateau in Shasta County Including Northwest Lassen NF north of Lassen NP- Stanislaus NF West of the Sierra Crest- Northern Motherlode From 1000 to 3000 Ft. Includes portions of Nevada-Yuba-Placer-Amador and ElDorado Units- Northern Sierra Including Lassen NP and Plumas and Lassen NF/S West of the Sierra Crest (West of Evans Peak-Grizzly Peak- Beckworth Peak)- Northern Sierra Including the Tahoe and ElDorado NF/S West of the Sierra Crest- 149 AM PDT Thu Aug 19 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 214, 221, 267, 268, AND 269... * AFFECTED AREA...Western slopes of the Sierra Nevada, western Plumas County, and Burney Basin, including fire weather zones 214, 221, 267, 268,and 269. * WIND...North to northeast wind gusts of 25 to 35 mph, locally higher in favored gaps and canyons. Strongest winds are expected over higher elevations and favorably oriented gaps and canyons. * HUMIDITY...Minimum humidity of 15 to 25 percent. * IMPACTS...Any active fires or new 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 $$ CAZ213-215>217-263-266-279-192300- /O.CON.KSTO.FW.W.0006.000000T0000Z-210820T0300Z/ Eastern Portion of Shasta/Trinity NF- 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-Southeast Edge Shasta- Trinity NF and Western Portions of Tehama-Glenn Unit- Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units-Eastern Mendocino NF- 149 AM PDT Thu Aug 19 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 215, 216, 217, 263, 266, AND 279... * AFFECTED AREA...Much of the Sacramento Valley and surrounding foothill and mountain terrain, including fire weather zones 213, 215, 216, 217, 263, 266, and 279. * WIND...North to northeast wind gusts of 20 to 30 mph today. Strongest winds are expected along the western side of the Sacramento Valley and near high elevations and favorably oriented canyons across the foothills and mountains. * HUMIDITY...Minimum humidity of 10 to 20 percent. * IMPACTS...Any active fires or new 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 $$
714 WWUS86 KSTO 191758 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 1058 AM PDT Thu Aug 19 2021 ...Red Flag Warning through this Evening due to Gusty Winds and Low Humidity... .Gusty north to east winds continue today across much of the Sacramento Valley and the surrounding terrain through this evening, although winds are expected to be less strong than those experienced yesterday. These gusty winds, combined with low humidity and extremely dry fuels, will bring critical fire weather conditions. CAZ214-221-267>269-191900- /O.EXP.KSTO.FW.W.0006.000000T0000Z-210819T1800Z/ Burney Basin and Northeast Plateau in Shasta County Including Northwest Lassen NF north of Lassen NP- Stanislaus NF West of the Sierra Crest- Northern Motherlode From 1000 to 3000 Ft. Includes portions of Nevada-Yuba-Placer-Amador and ElDorado Units- Northern Sierra Including Lassen NP and Plumas and Lassen NF/S West of the Sierra Crest (West of Evans Peak-Grizzly Peak- Beckworth Peak)- Northern Sierra Including the Tahoe and ElDorado NF/S West of the Sierra Crest- 1058 AM PDT Thu Aug 19 2021 ...RED FLAG WARNING WILL EXPIRE AT 11 AM PDT THIS MORNING FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 214, 221, 267, 268, AND 269... Winds have subsided this morning, so the Red Flag Warning will be allowed to expire for the western slopes of the Sierra Nevada, western Plumas County, and Burney Basin. However, locally gusty winds are possible in favored gaps and canyons through tonight, and daytime humidities will remain low with poor to moderate overnight recoveries. Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$ CAZ213-215>217-263-266-279-200300- /O.CON.KSTO.FW.W.0006.000000T0000Z-210820T0300Z/ Eastern Portion of Shasta/Trinity NF- 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-Southeast Edge Shasta- Trinity NF and Western Portions of Tehama-Glenn Unit- Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units-Eastern Mendocino NF- 1058 AM PDT Thu Aug 19 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 215, 216, 217, 263, 266, AND 279... * AFFECTED AREA...Much of the Sacramento Valley and surrounding foothill and mountain terrain, including fire weather zones 213, 215, 216, 217, 263, 266, and 279. * WIND...North to northeast wind gusts of 20 to 30 mph today. Strongest winds are expected along the western side of the Sacramento Valley and near high elevations and favorably oriented canyons across the foothills and mountains. * HUMIDITY...Minimum humidity of 10 to 20 percent. * IMPACTS...Any active fires or new 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 $$
022 WWUS86 KSTO 200311 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 811 PM PDT Thu Aug 19 2021 CAZ213-215>217-263-266-279-200415- /O.EXP.KSTO.FW.W.0006.000000T0000Z-210820T0300Z/ Eastern Portion of Shasta/Trinity NF- Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft- Central Sacramento Valley in Glenn, Colusa, Yuba, Northern Sutter, and Butte County Below 1000 Ft- Southern Sacramento Valley in Yolo- Sacramento Far Western Placer, southern Sutter and Solano County Below 1000 Ft-Southeast Edge Shasta- Trinity NF and Western Portions of Tehama-Glenn Unit- Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units-Eastern Mendocino NF- 811 PM PDT Thu Aug 19 2021 ...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 215, 216, 217, 263, 266, AND 279... Gusty winds have diminished over the warning area. Gradual improvement in humidity is expected. Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
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.