Alert archive / California / Red Flag Warnings in 2021
Red Flag Warning 9, NWS Sacramento, CA
NWS Sacramento, CA issued this red flag warning at Aug 29, 2021, 9:30 AM PDT. It took effect at Aug 30, 2021, 11:00 AM PDT. It was in force for 60 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 29, 2021, 9:30 AM PDT (16:30 UTC)
- In effect from
- Aug 30, 2021, 11:00 AM PDT
- Expired
- Sep 1, 2021, 11:00 PM PDT
- In force
- 60 hr
- Issued by
- NWS Sacramento, CA
The text
As transmitted.
907 WWUS86 KSTO 291630 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 930 AM PDT Sun Aug 29 2021 ...Red Flag Warning Monday through Tuesday Evening for the Sierra Nevada and Southern Cascades... .Gusty west to southwest winds are forecast to develop over the Northern Sierra Nevada and Southern Cascades this afternoon and lasting through Wednesday. The strongest winds are expected late Monday morning through Tuesday evening, which combined with low humidity and extremely dry fuels will lead to critical fire weather conditions during this timeframe. Elevated fire weather conditions are possible this afternoon through Monday morning over mountain ridges and near wind prone gaps and canyons and may continue into Wednesday due to locally gusty winds and lower humidity. CAZ214-221-268-269-301500- /O.UPG.KSTO.FW.A.0006.210830T1800Z-210901T0600Z/ /O.NEW.KSTO.FW.W.0009.210830T1800Z-210901T0600Z/ Burney Basin and Northeast Plateau in Shasta County Including Northwest Lassen NF north of Lassen NP- Stanislaus NF West of the Sierra Crest- 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- 930 AM PDT Sun Aug 29 2021 ...RED FLAG WARNING IN EFFECT FROM 11 AM MONDAY TO 11 PM PDT TUESDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 214, 221, 268, AND 269... The National Weather Service in Sacramento has issued a Red Flag Warning, which is in effect from 11 AM Monday to 11 PM PDT Tuesday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...The Burney Basin, mountains of western Plumas County and of eastern Shasta County, and west slope of the Sierra Nevada, including fire weather zones 214, 221, 268, and 269. This includes the Caldor Fire and portions of the Dixie Fire. * WIND...West to southwest wind gusts of 20 to 35 mph. Strongest winds expected over higher elevations and near favorably oriented canyons. * HUMIDITY...Minimum humidity of 8 to 20 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 $$ CAZ213-220-266-267-301500- /O.NEW.KSTO.FW.W.0009.210830T1800Z-210901T0600Z/ Eastern Portion of Shasta/Trinity NF- Southern Motherlode From 1000 to 3000 Ft. Includes portions of Calaveras-Tuolumne Unit- Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units- Northern Motherlode From 1000 to 3000 Ft. Includes portions of Nevada-Yuba-Placer-Amador and ElDorado Units- 930 AM PDT Sun Aug 29 2021 ...RED FLAG WARNING IN EFFECT FROM 11 AM MONDAY TO 11 PM PDT TUESDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 220, 266, AND 267... The National Weather Service in Sacramento has issued a Red Flag Warning, which is in effect from 11 AM Monday to 11 PM PDT Tuesday. * AFFECTED AREA...Portions of the foothills along the western slopes of the Sierra Nevada, southern Cascades, and eastern Shasta County mountains, including portions of fire weather zones 213, 220, 266, and 267. * WIND...West to southwest wind gusts of 20 to 35 mph. Strongest winds expected over higher elevations and near favorably oriented canyons. * HUMIDITY...Minimum humidity of 8 to 20 percent with moderate to poor overnight recoveries. * IMPACTS...Any active fires or new fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
10 follow-up statements
045 WWUS86 KSTO 292108 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 208 PM PDT Sun Aug 29 2021 ...Red Flag Warning Monday through Tuesday Evening for the Sierra Nevada and Southern Cascades... .Gusty west to southwest winds are forecast to develop over the Northern Sierra Nevada and Southern Cascades this afternoon and lasting through Wednesday. The strongest winds are expected late Monday morning through Tuesday evening which combined with low humidity and extremely dry fuels will lead to critical fire weather conditions during this timeframe. Elevated fire weather conditions are also possible this afternoon through Monday morning over mountain ridges and near wind prone gaps and canyons and may continue into Wednesday due to locally gusty winds and lower humidity. CAZ213-214-220-221-266>269-301600- /O.CON.KSTO.FW.W.0009.210830T1800Z-210901T0600Z/ Eastern Portion of Shasta/Trinity NF- Burney Basin and Northeast Plateau in Shasta County Including Northwest Lassen NF north of Lassen NP- Southern Motherlode From 1000 to 3000 Ft. Includes portions of Calaveras-Tuolumne Unit-Stanislaus NF West of the Sierra Crest- 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- 208 PM PDT Sun Aug 29 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM MONDAY TO 11 PM PDT TUESDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 214, 220, 221, 266, 267, 268, AND 269... * AFFECTED AREA...The Burney Basin, mountains of western Plumas County and of eastern Shasta County, west slope of the Sierra Nevada, and portions of the associated foothills, including fire weather zones 213, 214, 220, 221, 266, 267, 268, and 269. This includes the Caldor Fire and portions of the Dixie Fire. * WIND...West to southwest wind gusts of 20 to 35 mph. Strongest winds expected over higher elevations and near favorably oriented canyons. * HUMIDITY...Minimum humidity of 8 to 20 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 $$
264 WWUS86 KSTO 300454 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 954 PM PDT Sun Aug 29 2021 ...Red Flag Warning Monday through Tuesday Evening for the Sierra Nevada and Southern Cascades... .Gusty west/southwest winds will continue over the the Northern Sierra Nevada and southern Cascades. The strongest winds are expected late Monday morning through Tuesday evening, which combined with extremely dry fuels and low humidity will lead to critical fire weather conditions. New or existing wildfires will have the potential for rapid spread and growth under these conditions. CAZ213-214-220-221-266>269-301500- /O.CON.KSTO.FW.W.0009.210830T1800Z-210901T0600Z/ Eastern Portion of Shasta/Trinity NF- Burney Basin and Northeast Plateau in Shasta County Including Northwest Lassen NF north of Lassen NP- Southern Motherlode From 1000 to 3000 Ft. Includes portions of Calaveras-Tuolumne Unit-Stanislaus NF West of the Sierra Crest- 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- 954 PM PDT Sun Aug 29 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM MONDAY TO 11 PM PDT TUESDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 214, 220, 221, 266, 267, 268, AND 269... * AFFECTED AREA...The Burney Basin, mountains of western Plumas County and of eastern Shasta County, west slope of the Sierra Nevada, and portions of the associated foothills, including fire weather zones 213, 214, 220, 221, 266, 267, 268, and 269. This includes the Caldor Fire and portions of the Dixie Fire. * WIND...West to southwest wind gusts of 20 to 35 mph, locally higher at ridgetops and peaks. Strongest winds expected over higher elevations and near favorably oriented canyons. * HUMIDITY...Minimum humidity of 8 to 20 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. Have a plan ready if you are required to evacuate! && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
942 WWUS86 KSTO 300945 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 245 AM PDT Mon Aug 30 2021 ...Red Flag Warning Today through Tuesday Evening for the Sierra Nevada and Southern Cascades... .Gusty west/southwest winds are expected over the Northern Sierra Nevada and southern Cascades later this morning through Tuesday evening with the strongest winds Tuesday afternoon into the evening. These winds combined with extremely dry fuels and low humidity will lead to critical fire weather conditions. New or existing wildfires will have the potential for rapid spread and growth under these conditions. CAZ213-214-220-221-266>269-310000- /O.CON.KSTO.FW.W.0009.210830T1800Z-210901T0600Z/ Eastern Portion of Shasta/Trinity NF- Burney Basin and Northeast Plateau in Shasta County Including Northwest Lassen NF north of Lassen NP- Southern Motherlode From 1000 to 3000 Ft. Includes portions of Calaveras-Tuolumne Unit-Stanislaus NF West of the Sierra Crest- 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- 245 AM PDT Mon Aug 30 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 11 PM PDT TUESDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 214, 220, 221, 266, 267, 268, AND 269... * AFFECTED AREA...The Burney Basin, mountains of western Plumas County and of eastern Shasta County, west slope of the Sierra Nevada, and portions of the associated foothills, including fire weather zones 213, 214, 220, 221, 266, 267, 268, and 269. This includes the Caldor Fire and portions of the Dixie Fire. * WIND...West to southwest wind gusts of 20 to 35 mph, locally higher at ridgetops and peaks. Strongest winds expected over higher elevations and near favorably oriented canyons. * HUMIDITY...Minimum humidity of 8 to 20 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. Have a plan ready if you are required to evacuate! && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
434 WWUS86 KSTO 301738 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 1038 AM PDT Mon Aug 30 2021 ...Red Flag Warning Today through Tuesday Evening for the Northern Sierra Nevada and Southern Cascades... ...Red Flag Warning Continues through Wednesday Evening for the Northern Sierra Nevada... .Gusty west/southwest winds are expected over the Northern Sierra Nevada and southern Cascades later this morning through Tuesday evening with the strongest winds Tuesday afternoon into the evening. These winds combined with extremely dry fuels and low humidity will lead to critical fire weather conditions. New or existing wildfires will have the potential for rapid spread and growth under these conditions. Gusty southwest winds and low humidity continue through Wednesday evening over the northern Sierra Nevada, so the Red Flag Warning has been extended there. CAZ221-269-311200- /O.EXT.KSTO.FW.W.0009.210830T1800Z-210902T0600Z/ Stanislaus NF West of the Sierra Crest- Northern Sierra Including the Tahoe and ElDorado NF/S West of the Sierra Crest- 1038 AM PDT Mon Aug 30 2021 ...RED FLAG WARNING CONTINUES UNTIL 11 PM PDT WEDNESDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 221 AND 269... * AFFECTED AREA...Fire weather zone 221.Fire weather zone 269. * WIND...West to southwest wind gusts of 20 to 25 mph, locally higher at ridgetops and peaks. Strongest winds expected over higher elevations and near favorably oriented canyons. * HUMIDITY...Minimum humidity of 9 to 20 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. Have a plan ready if you are required to evacuate! && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$ CAZ213-214-220-266>268-311200- /O.CON.KSTO.FW.W.0009.210830T1800Z-210901T0600Z/ Eastern Portion of Shasta/Trinity NF- Burney Basin and Northeast Plateau in Shasta County Including Northwest Lassen NF north of Lassen NP- Southern Motherlode From 1000 to 3000 Ft. Includes portions of Calaveras-Tuolumne 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)- 1038 AM PDT Mon Aug 30 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT TUESDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 214, 220, 266, 267, AND 268... * AFFECTED AREA...Fire weather zone 213.Fire weather zone 214.Fire weather zone 220.Fire weather zone 266.Fire weather zone 267.Fire weather zone 268. * WIND...West to southwest wind gusts of 20 to 35 mph, locally higher at ridgetops and peaks. Strongest winds expected over higher elevations and near favorably oriented canyons. * HUMIDITY...Minimum humidity of 8 to 20 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. Have a plan ready if you are required to evacuate! && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
723 WWUS86 KSTO 311000 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 300 AM PDT Tue Aug 31 2021 ...Red Flag Warning through Tuesday Evening for the Northern Sierra Nevada and Southern Cascades... ...Red Flag Warning Continues through Wednesday Evening for the Northern Sierra Nevada... .Gusty west/southwest winds will continue over the Northern Sierra Nevada and southern Cascades through Tuesday evening with the strongest winds this afternoon into the evening. Gusty winds will linger into Wednesday over portions of the Sierra Nevada. These winds combined with extremely dry fuels and low humidity will lead to critical fire weather conditions. New or existing wildfires will have the potential for rapid spread and growth under these conditions. CAZ213-214-220-266>268-010000- /O.CON.KSTO.FW.W.0009.000000T0000Z-210901T0600Z/ Eastern Portion of Shasta/Trinity NF- Burney Basin and Northeast Plateau in Shasta County Including Northwest Lassen NF north of Lassen NP- Southern Motherlode From 1000 to 3000 Ft. Includes portions of Calaveras-Tuolumne 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)- 300 AM PDT Tue Aug 31 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 214, 220, 266, 267, AND 268... * AFFECTED AREA...Fire weather zone 213.Fire weather zone 214.Fire weather zone 220.Fire weather zone 266.Fire weather zone 267.Fire weather zone 268. * WIND...West to southwest wind gusts of 20 to 35 mph, locally higher at ridgetops and peaks. Strongest winds expected over higher elevations and near favorably oriented canyons. * HUMIDITY...Minimum humidity of 8 to 20 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. Have a plan ready if you are required to evacuate! && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$ CAZ221-269-010000- /O.CON.KSTO.FW.W.0009.000000T0000Z-210902T0600Z/ Stanislaus NF West of the Sierra Crest- Northern Sierra Including the Tahoe and ElDorado NF/S West of the Sierra Crest- 300 AM PDT Tue Aug 31 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT WEDNESDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 221 AND 269... * AFFECTED AREA...Fire weather zone 221.Fire weather zone 269. * WIND...West to southwest wind gusts of 20 to 25 mph, locally higher at ridgetops and peaks. Strongest winds expected over higher elevations and near favorably oriented canyons. * HUMIDITY...Minimum humidity of 9 to 20 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. Have a plan ready if you are required to evacuate! && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
031 WWUS86 KSTO 312108 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 208 PM PDT Tue Aug 31 2021 ...Red Flag Warning through 1100 pm PDT Tuesday for the Northern Sierra Nevada and Southern Cascades... ...Red Flag Warning Continues through 1100 pm PDT Wednesday for the Northern Sierra Nevada... .Gusty west/southwest winds will continue over the northern Sierra Nevada and southern Cascades through this evening with the strongest winds this afternoon into the early evening. Gusty winds will linger into Wednesday over portions of the Sierra Nevada, though not quite as strong. These winds combined with extremely dry fuels and low humidity are leading to critical fire weather conditions. New or existing wildfires will have the potential for rapid spread and growth under these conditions. CAZ213-214-220-266>268-010600- /O.CON.KSTO.FW.W.0009.000000T0000Z-210901T0600Z/ Eastern Portion of Shasta/Trinity NF- Burney Basin and Northeast Plateau in Shasta County Including Northwest Lassen NF north of Lassen NP- Southern Motherlode From 1000 to 3000 Ft. Includes portions of Calaveras-Tuolumne 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)- 208 PM PDT Tue Aug 31 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 214, 220, 266, 267, AND 268... * AFFECTED AREA...Fire weather zone 213.Fire weather zone 214.Fire weather zone 220.Fire weather zone 266.Fire weather zone 267.Fire weather zone 268. * WIND...West to southwest wind gusts of 20 to 35 mph, locally higher at ridgetops and peaks. Strongest winds expected over higher elevations and near favorably oriented canyons. * HUMIDITY...Minimum humidity of 7 to 20 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. Have a plan ready if you are required to evacuate! && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$ CAZ221-269-011200- /O.CON.KSTO.FW.W.0009.000000T0000Z-210902T0600Z/ Stanislaus NF West of the Sierra Crest- Northern Sierra Including the Tahoe and ElDorado NF/S West of the Sierra Crest- 208 PM PDT Tue Aug 31 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT WEDNESDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 221 AND 269... * AFFECTED AREA...Fire weather zone 221.Fire weather zone 269. * WIND...West to southwest wind gusts of 20 to 25 mph, locally higher at ridgetops and peaks. Strongest winds expected over higher elevations and near favorably oriented canyons. * HUMIDITY...Minimum humidity of 8 to 20 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. Have a plan ready if you are required to evacuate! && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
682 WWUS86 KSTO 010600 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 1100 PM PDT Tue Aug 31 2021 ...Red Flag Warning Continues through 1100 pm PDT Wednesday for the Northern Sierra Nevada... .Gusty winds will linger into Wednesday over portions of the Sierra Nevada. These winds combined with extremely dry fuels and low humidity are leading to critical fire weather conditions. New or existing wildfires will have the potential for rapid spread and growth under these conditions. CAZ213-214-220-266>268-010700- /O.EXP.KSTO.FW.W.0009.000000T0000Z-210901T0600Z/ Eastern Portion of Shasta/Trinity NF- Burney Basin and Northeast Plateau in Shasta County Including Northwest Lassen NF north of Lassen NP- Southern Motherlode From 1000 to 3000 Ft. Includes portions of Calaveras-Tuolumne Unit- Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units- Northern Motherlode From 1000 to 3000 Ft. Includes portions of Nevada-Yuba-Placer-Amador and ElDorado Units- Northern Sierra Including Lassen NP and Plumas and Lassen NF/S West of the Sierra Crest (West of Evans Peak-Grizzly Peak- Beckworth Peak)- 1100 PM PDT Tue Aug 31 2021 ...RED FLAG WARNING HAS EXPIRED FOR FIRE WEATHER ZONES 213, 214, 220, 266, 267, AND 268... Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$ CAZ221-269-011200- /O.CON.KSTO.FW.W.0009.000000T0000Z-210902T0600Z/ Stanislaus NF West of the Sierra Crest- Northern Sierra Including the Tahoe and ElDorado NF/S West of the Sierra Crest- 1100 PM PDT Tue Aug 31 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT WEDNESDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 221 AND 269... * AFFECTED AREA...Fire weather zone 221.Fire weather zone 269. * WIND...West to southwest wind gusts of 20 to 25 mph, locally higher at ridgetops and peaks. Strongest winds expected over higher elevations and near favorably oriented canyons. * HUMIDITY...Minimum humidity of 8 to 20 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. Have a plan ready if you are required to evacuate! && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
765 WWUS86 KSTO 011000 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 300 AM PDT Wed Sep 1 2021 ...Red Flag Warning Continues through 1100 pm PDT Tonight for the Northern Sierra Nevada... .Gusty wind will continue today into tonight over portions of the higher Sierra Nevada. These winds combined with extremely dry fuels and low humidity will continue areas of critical fire weather conditions. Lighter wind expected Thursday. CAZ221-269-012245- /O.CON.KSTO.FW.W.0009.000000T0000Z-210902T0600Z/ Stanislaus NF West of the Sierra Crest- Northern Sierra Including the Tahoe and ElDorado NF/S West of the Sierra Crest- 300 AM PDT Wed Sep 1 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 221 AND 269... * AFFECTED AREA...Fire weather zone 221, and 269. * WIND...West to southwest wind gusts of 20 to 30 mph, locally higher at ridgetops and peaks. Strongest winds expected over higher elevations and near favorably oriented canyons during the afternoon and evening. * HUMIDITY...Minimum humidity of 7 to 20 percent with moderate to poor overnight recoveries. * IMPACTS...Any active fires or new fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. Have a plan ready if you are required to evacuate! && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
797 WWUS86 KSTO 012151 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 251 PM PDT Wed Sep 1 2021 ...Red Flag Warning Continues through 1100 pm PDT Tonight for the Northern Sierra Nevada... .Gusty wind will continue into tonight over portions of the higher Sierra Nevada. These winds combined with extremely dry fuels and low humidity will continue areas of critical fire weather conditions. Winds decrease overnight. Southwest winds on Thursday are not expected to be as strong. CAZ221-269-020600- /O.CON.KSTO.FW.W.0009.000000T0000Z-210902T0600Z/ Stanislaus NF West of the Sierra Crest- Northern Sierra Including the Tahoe and ElDorado NF/S West of the Sierra Crest- 251 PM PDT Wed Sep 1 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 221 AND 269... * AFFECTED AREA...Northern Sierra, Fire weather zone 221, and 269. * WIND...West to southwest wind gusts of 20 to 30 mph, locally higher at ridgetops and peaks. Strongest winds expected over higher elevations and near favorably oriented canyons during the afternoon and evening. * HUMIDITY...Minimum humidity of 7 to 20 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. Have a plan ready if you are required to evacuate! && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
250 WWUS86 KSTO 020615 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 1115 PM PDT Wed Sep 1 2021 CAZ221-269-020715- /O.EXP.KSTO.FW.W.0009.000000T0000Z-210902T0600Z/ Stanislaus NF West of the Sierra Crest- Northern Sierra Including the Tahoe and ElDorado NF/S West of the Sierra Crest- 1115 PM PDT Wed Sep 1 2021 ...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 221 AND 269... Gusty winds have decreased over the Sierra Nevada with at least moderate humidity recovery over many locations this evening. Winds will be lighter Thursday and Friday, but dry air will remain over the area. Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
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Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.