Alert archive / California / Red Flag Warnings in 2021
Red Flag Warning 2, NWS Sacramento, CA
NWS Sacramento, CA issued this red flag warning at May 7, 2021, 12:14 PM PDT. It took effect at May 7, 2021, 11:00 PM PDT. It was in force for 4 days. 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 7, 2021, 12:14 PM PDT (19:14 UTC)
- In effect from
- May 7, 2021, 11:00 PM PDT
- Expired
- May 11, 2021, 12:50 PM PDT
- In force
- 4 days
- Issued by
- NWS Sacramento, CA
The text
As transmitted.
410 WWUS86 KSTO 071914 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 1214 PM PDT Fri May 7 2021 ...Critical Fire Weather Conditions Late Tonight Through Monday Afternoon For Elevations Below 2000 Feet... .Widespread gusty north to northeast winds, low humidity and unseasonably dry fuels will result in critical fire weather conditions over portions of the Central Valley, Delta and surrounding foothills below 2000 feet. The strongest winds are expected along the west side of the Sacramento Valley and through favorably oriented gaps and canyons in the surrounding foothills. Lighter wind expected Tuesday, but hot and dry weather conditions will continue. CAZ213-215>217-263-266-267-279-081430- /O.UPG.KSTO.FW.A.0002.210508T1500Z-210511T0100Z/ /O.NEW.KSTO.FW.W.0002.210508T0600Z-210511T0100Z/ 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- Northern Motherlode From 1000 to 3000 Ft. Includes portions of Nevada-Yuba-Placer-Amador and ElDorado Units-Eastern Mendocino NF- 1214 PM PDT Fri May 7 2021 ...RED FLAG WARNING IN EFFECT FROM 11 PM THIS EVENING TO 6 PM PDT MONDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 215, 216, 217, 263, 266, 267, AND 279... The National Weather Service in Sacramento has issued a Red Flag Warning, which is in effect from 11 PM this evening to 6 PM PDT Monday. The Fire Weather Watch is no longer in effect. * WIND...North to northeast 10 to 25 mph with local gusts up to 35 to 40 mph. Strongest winds expected west of Interstate 5 and into the Coastal Range, and through favorably oriented gaps and canyons in the foothills. * HUMIDITY...Minimum daytime humidity in the single digits or teens. Areas of poor to moderate overnight humidity recovery only to 25 to 30 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. * ADDITIONAL DETAILS...Increasing northerly winds later tonight is forecast to lower humidity mainly west of I-5 and through locally favored gaps and canyons in the lower elevations. Conditions expected to develop over areas east of I-5 during the day on Saturday. 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 $$ CAZ218>220-081430- /O.UPG.KSTO.FW.A.0002.210508T1500Z-210511T0100Z/ /O.NEW.KSTO.FW.W.0002.210508T1500Z-210511T0100Z/ Carquinez Strait and Delta- Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft- Southern Motherlode From 1000 to 3000 Ft. Includes portions of Calaveras-Tuolumne Unit- 1214 PM PDT Fri May 7 2021 ...RED FLAG WARNING IN EFFECT FROM 8 AM SATURDAY TO 6 PM PDT MONDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 218, 219, AND 220... The National Weather Service in Sacramento has issued a Red Flag Warning, which is in effect from 8 AM Saturday to 6 PM PDT Monday. The Fire Weather Watch is no longer in effect. * WIND...Northwest to north 10 to 20 mph with local gusts up to 35 mph in the Valley and Delta; northwest to northeast 6 to 12 mph with local gusts to 25 mph in the Mother Lode. * HUMIDITY...Minimum daytime humidity in the single digits or teens. Areas of poor to moderate overnight humidity recovery to 35 to 45 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
10 follow-up statements
327 WWUS86 KSTO 080930 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 230 AM PDT Sat May 8 2021 ...Critical Fire Weather Conditions Through Monday Afternoon For Elevations Below 2000 Feet... .Widespread gusty north to east wind, low humidity and unseasonably dry fuels will result in critical fire weather conditions over portions of the Central Valley, Delta and surrounding foothills below 2000 feet. The strongest winds are expected along the west side of the Sacramento Valley and through favorably oriented gaps and canyons in the surrounding foothills. Lighter wind expected Tuesday, but hot and dry weather conditions will continue. CAZ213-215>217-263-266-267-279-082300- /O.CON.KSTO.FW.W.0002.000000T0000Z-210511T0100Z/ 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- Northern Motherlode From 1000 to 3000 Ft. Includes portions of Nevada-Yuba-Placer-Amador and ElDorado Units-Eastern Mendocino NF- 230 AM PDT Sat May 8 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PDT MONDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 215, 216, 217, 263, 266, 267, AND 279... * AFFECTED AREA...Fire weather zone 213, 215, 216, 217, 263, 266, 267, AND 279 for elevations below 2000 feet. * WIND...North to east 10 to 25 mph with local gusts up to 40 mph. Strongest wind expected west of Interstate 5 and into the Coastal Range, and through favorably oriented gaps and canyons in the foothills. * HUMIDITY...Minimum daytime humidity in the single digits or teens. Poor to moderate overnight humidity recovery of 25 to 45 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 $$ CAZ218>220-082300- /O.CON.KSTO.FW.W.0002.210508T1500Z-210511T0100Z/ Carquinez Strait and Delta- Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft- Southern Motherlode From 1000 to 3000 Ft. Includes portions of Calaveras-Tuolumne Unit- 230 AM PDT Sat May 8 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 6 PM PDT MONDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 218, 219, AND 220... * AFFECTED AREA...Fire weather zone 218, 219, and 220 for elevations below 2000 feet. * WIND...Northwest to north 10 to 20 mph with local gusts up to 35 mph in the Central Valley and Delta. Northeast to east wind up to 15 mph with local gusts to 25 mph in the Motherlode. * HUMIDITY...Minimum daytime humidity in the single digits or teens. Areas of poor to moderate overnight humidity recovery of 35 to 45 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
603 WWUS86 KSTO 081045 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 345 AM PDT Sat May 8 2021 ...Critical Fire Weather Conditions Through Monday Afternoon For Elevations Below 2000 Feet... .Gusty north to east wind, low humidity and unseasonably dry fuels will result in critical fire weather conditions over portions of the Central Valley, Delta and surrounding foothills below 2000 feet. The strongest winds are expected along the west side of the Sacramento Valley and through favorably oriented gaps and canyons in the surrounding foothills. Lighter wind expected Tuesday, but hot and dry weather conditions will continue. CAZ218>220-082300- /O.EXT.KSTO.FW.W.0002.210508T1045Z-210511T0100Z/ Carquinez Strait and Delta- Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft- Southern Motherlode From 1000 to 3000 Ft. Includes portions of Calaveras-Tuolumne Unit- 345 AM PDT Sat May 8 2021 ...RED FLAG WARNING NOW IN EFFECT UNTIL 6 PM PDT MONDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 218, 219, AND 220... * AFFECTED AREA...Fire weather zone 218, 219, and 220 for elevations below 2000 feet.. * WIND...Northwest to north wind 10 to 25 mph with local gusts up to 40 mph in the Delta and Northern San Joaquin Valley. Northeast to east wind up to 15 mph with local gusts to 30 mph in the Motherlode. * HUMIDITY...Minimum daytime humidity in the single digits or teens. Areas of poor to moderate overnight humidity recovery of 35 to 45 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 $$ CAZ213-215>217-263-266-267-279-082300- /O.CON.KSTO.FW.W.0002.000000T0000Z-210511T0100Z/ Eastern Portion of Shasta/Trinity NF- Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft- Central Sacramento Valley in Glenn, Colusa, Yuba, Northern Sutter, and Butte County Below 1000 Ft- Southern Sacramento Valley in Yolo- Sacramento Far Western Placer, southern Sutter and Solano County Below 1000 Ft-Southeast Edge Shasta- Trinity NF and Western Portions of Tehama-Glenn Unit- Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units- Northern Motherlode From 1000 to 3000 Ft. Includes portions of Nevada-Yuba-Placer-Amador and ElDorado Units-Eastern Mendocino NF- 345 AM PDT Sat May 8 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PDT MONDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 215, 216, 217, 263, 266, 267, AND 279... * AFFECTED AREA...Fire weather zone 213, 215, 216, 217, 263, 266, 267 and 279 for elevations below 2000 feet. * WIND...North to east 10 to 25 mph with local gusts up to 40 mph. Strongest wind expected west of Interstate 5 and into the Coastal Range, and through favorably oriented gaps and canyons in the foothills. * HUMIDITY...Minimum daytime humidity in the single digits or teens. Poor to moderate overnight humidity recovery of 25 to 45 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
645 WWUS86 KSTO 082131 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 231 PM PDT Sat May 8 2021 ...Critical Fire Weather Conditions Through Monday Afternoon For Elevations Below 2000 Feet... .Gusty north to east wind, low humidity and unseasonably dry fuels will continue to bring critical fire weather conditions over portions of the Central Valley, Delta and surrounding foothills below 2000 feet. The strongest winds are expected along the west side of the Sacramento Valley and through favorably oriented gaps and canyons in the surrounding foothills. Lighter wind expected Tuesday, but hot and dry weather conditions will continue. CAZ213-215>220-263-266-267-279-091215- /O.CON.KSTO.FW.W.0002.000000T0000Z-210511T0100Z/ 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-Carquinez Strait and Delta- Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft- Southern Motherlode From 1000 to 3000 Ft. Includes portions of Calaveras-Tuolumne Unit-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-Eastern Mendocino NF- 231 PM PDT Sat May 8 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PDT MONDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 215, 216, 217, 218, 219, 220, 263, 266, 267, AND 279... * AFFECTED AREA...Fire weather zone 213, 215, 216, 217, 218, 219, 220, 263, 266, 267 and 279 for elevations below 2000 feet. * WIND...North to east 10 to 25 mph with local gusts up to 40 mph. Strongest wind expected west of Interstate 5 and into the Coastal Range, and through favorably oriented gaps and canyons in the foothills. * HUMIDITY...Minimum daytime humidity in the single digits or teens. Poor to moderate overnight humidity recovery of 25 to 45 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 $$
495 WWUS86 KSTO 090930 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 230 AM PDT Sun May 9 2021 ...Critical Fire Weather Conditions Through Monday Afternoon For Elevations Below 2000 Feet... .Gusty north to east wind, low humidity and unseasonably dry fuels will continue critical fire weather conditions over portions of the Central Valley, Delta and surrounding foothills below 2000 feet. Strongest winds expected along the west side of the Sacramento Valley and through favorably oriented gaps and canyons in the surrounding foothills. Some breezy wind continues Tuesday, then lighter wind midweek. CAZ213-215>220-263-266-267-279-092300- /O.CON.KSTO.FW.W.0002.000000T0000Z-210511T0100Z/ 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-Carquinez Strait and Delta- Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft- Southern Motherlode From 1000 to 3000 Ft. Includes portions of Calaveras-Tuolumne Unit-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-Eastern Mendocino NF- 230 AM PDT Sun May 9 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PDT MONDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 215, 216, 217, 218, 219, 220, 263, 266, 267, AND 279... * AFFECTED AREA...Fire weather zone 213, 215, 216, 217, 218, 219, 220, 263, 266, 267, and 279 for elevations below 2000 feet. * WIND...North to east 10 to 25 mph with local gusts up to 40 mph. Strongest wind expected west of Interstate 5 and into the Coastal Range, and through favorably oriented gaps and canyons in the foothills. * HUMIDITY...Minimum daytime humidity in the single digits or teens. Poor to moderate overnight humidity recovery of 25 to 45 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 $$
111 WWUS86 KSTO 091913 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 1213 PM PDT Sun May 9 2021 ...Critical Fire Weather Conditions Through Tuesday Afternoon for Elevations Below 2000 Feet... .Gusty north to east wind, low humidity and unseasonably dry fuels will continue critical fire weather conditions over portions of the Valley, Delta and surrounding foothills below 2000 feet. Strongest winds expected along the west side of the Sacramento Valley and through favorably oriented gaps and canyons in the surrounding foothills through early Tuesday. Breezy winds continue through the day Tuesday over the western side of the Valley and the Delta, along with very low afternoon humidity levels. Winds weaken Tuesday night and become onshore for mid to late week, with humidity levels trending up. CAZ215>219-263-279-101200- /O.EXT.KSTO.FW.W.0002.000000T0000Z-210512T0100Z/ 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-Southeast Edge Shasta- Trinity NF and Western Portions of Tehama-Glenn Unit- Eastern Mendocino NF- 1213 PM PDT Sun May 9 2021 ...RED FLAG WARNING NOW IN EFFECT UNTIL 6 PM PDT TUESDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 215, 216, 217, 218, 219, 263, AND 279... * AFFECTED AREA...Fire weather zone 215, 216, 217, 218, 219, 263 and 279 for elevations below 2000 feet. * WIND...North to east 10 to 25 mph with local gusts up to 40 mph. Strongest wind expected through early Tuesday, west of Interstate 5 and into the Coastal Range. Breezy winds continue through Tuesday afternoon. * HUMIDITY...Minimum daytime humidity in the single digits or teens. Lowest humidity levels expected Tuesday afternoon. Poor to moderate overnight humidity recovery of 25 to 45 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 $$ CAZ213-220-266-267-101200- /O.CON.KSTO.FW.W.0002.000000T0000Z-210511T0100Z/ Eastern Portion of Shasta/Trinity NF- Southern Motherlode From 1000 to 3000 Ft. Includes portions of Calaveras-Tuolumne Unit- Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions of Shasta-Trinity and Butte Units- Northern Motherlode From 1000 to 3000 Ft. Includes portions of Nevada-Yuba-Placer-Amador and ElDorado Units- 1213 PM PDT Sun May 9 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PDT MONDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 220, 266, AND 267... * AFFECTED AREA...Fire weather zones 213, 220, 266, and 267. * WIND...North to east 10 to 25 mph with local gusts up to 40 mph. Strongest wind expected west of Interstate 5 and into the Coastal Range, and through favorably oriented gaps and canyons in the foothills. * HUMIDITY...Minimum daytime humidity in the single digits or teens. Poor to moderate overnight humidity recovery of 25 to 45 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
931 WWUS86 KSTO 100930 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 230 AM PDT Mon May 10 2021 ...Critical Fire Weather Conditions Through Tuesday Afternoon for Elevations Below 2000 Feet... .Gusty north to east wind, low humidity and unseasonably dry fuels will continue critical fire weather conditions over portions of the Valley, Delta and surrounding foothills below 2000 feet. Strongest winds expected along the west side of the Sacramento Valley, and through favorably oriented gaps and canyons in the surrounding foothills, through early Tuesday. Breezy winds continue through the day Tuesday over the western side of the Valley and the Delta, along with very low afternoon humidity levels. Winds weaken Tuesday night and become onshore for mid to late week, with humidity levels trending up. CAZ213-220-266-267-102300- /O.CON.KSTO.FW.W.0002.000000T0000Z-210511T0100Z/ 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- 230 AM PDT Mon May 10 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 220, 266, AND 267... * AFFECTED AREA...Southern Cascade and northern Sierra foothills below 2000 feet elevation. * WIND...North to east 15 to 25 mph with local gusts up to 40 mph. Strongest wind expected through favorably oriented gaps and canyons in the foothills. * HUMIDITY...Minimum daytime humidity of 10 to 15 percent. Poor overnight humidity recovery of 20 to 35 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 $$ CAZ215>219-263-279-102300- /O.CON.KSTO.FW.W.0002.000000T0000Z-210512T0100Z/ Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft- Central Sacramento Valley in Glenn, Colusa, Yuba, Northern Sutter, and Butte County Below 1000 Ft- Southern Sacramento Valley in Yolo- Sacramento Far Western Placer, southern Sutter and Solano County Below 1000 Ft-Carquinez Strait and Delta- Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft-Southeast Edge Shasta- Trinity NF and Western Portions of Tehama-Glenn Unit- Eastern Mendocino NF- 230 AM PDT Mon May 10 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PDT TUESDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 215, 216, 217, 218, 219, 263, AND 279... * AFFECTED AREA...Sacramento Valley, Delta, northern San Joaquin Valley and surrounding terrain below 2000 feet elevation. * WIND...North to east 10 to 25 mph with local gusts up to 40 mph. Strongest wind expected through early Tuesday, west of Interstate 5 and into the Coast Range. Breezy winds continue through Tuesday afternoon. * HUMIDITY...Minimum daytime humidity in the single digits or teens. Poor to moderate overnight humidity recovery of 20 to 50 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
187 WWUS86 KSTO 102023 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 123 PM PDT Mon May 10 2021 ...Critical Fire Weather Conditions Through Tuesday Afternoon for Elevations Below 2000 Feet... .Gusty north to east wind, low humidity and unseasonably dry fuels will continue critical fire weather conditions over portions of the Valley, Delta and surrounding foothills below 2000 feet. Strongest winds expected along the west side of the Sacramento Valley through early Tuesday. Breezy winds continue on Tuesday over the western side of the Valley and the Delta, along with very low afternoon humidity levels. Winds weaken Tuesday night and become onshore for mid to late week, with humidity levels trending up. CAZ213-220-266-267-110100- /O.CON.KSTO.FW.W.0002.000000T0000Z-210511T0100Z/ 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- 123 PM PDT Mon May 10 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 213, 220, 266, AND 267... * AFFECTED AREA...Southern Cascade and northern Sierra foothills below 2000 feet elevation. * WIND...North to east 15 to 25 mph with local gusts up to 40 mph. * HUMIDITY...Minimum daytime humidity of 10 to 15 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 $$ CAZ215>219-263-279-110430- /O.CON.KSTO.FW.W.0002.000000T0000Z-210512T0100Z/ Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft- Central Sacramento Valley in Glenn, Colusa, Yuba, Northern Sutter, and Butte County Below 1000 Ft- Southern Sacramento Valley in Yolo- Sacramento Far Western Placer, southern Sutter and Solano County Below 1000 Ft-Carquinez Strait and Delta- Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft-Southeast Edge Shasta- Trinity NF and Western Portions of Tehama-Glenn Unit- Eastern Mendocino NF- 123 PM PDT Mon May 10 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PDT TUESDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 215, 216, 217, 218, 219, 263, AND 279... * AFFECTED AREA...Sacramento Valley, Delta, northern San Joaquin Valley and surrounding terrain below 2000 feet elevation. * WIND...North to east 10 to 20 mph with local gusts up to 30 mph. Strongest wind expected through early Tuesday, west of Interstate 5 and into the Coast Range. Breezy winds continue through Tuesday afternoon. * HUMIDITY...Minimum daytime humidity in the single digits or teens. Poor to moderate overnight humidity recovery of 20 to 50 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
048 WWUS86 KSTO 110153 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 653 PM PDT Mon May 10 2021 ...Critical Fire Weather Conditions Through Tuesday Afternoon for Elevations Below 2000 Feet... .Gusty north to east wind, low humidity and unseasonably dry fuels will continue critical fire weather conditions over portions of the Valley, Delta and surrounding foothills below 2000 feet. Strongest winds expected along the west side of the Sacramento Valley through early Tuesday. Breezy winds continue on Tuesday over the western side of the Valley and the Delta, along with very low afternoon humidity levels. Winds weaken Tuesday night and become onshore for mid to late week, with humidity levels trending up. CAZ215>219-263-279-111400- /O.CON.KSTO.FW.W.0002.000000T0000Z-210512T0100Z/ 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-Southeast Edge Shasta- Trinity NF and Western Portions of Tehama-Glenn Unit- Eastern Mendocino NF- 653 PM PDT Mon May 10 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PDT TUESDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 215, 216, 217, 218, 219, 263, AND 279... * AFFECTED AREA...Sacramento Valley, Delta, northern San Joaquin Valley and surrounding terrain below 2000 feet elevation. * WIND...North to east 10 to 20 mph with local gusts up to 30 mph. Strongest wind expected through early Tuesday, west of Interstate 5 and into the Coast Range. Breezy winds continue through Tuesday afternoon. * HUMIDITY...Minimum daytime humidity in the single digits or teens. Poor to moderate overnight humidity recovery of 20 to 50 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 $$
692 WWUS86 KSTO 110930 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 230 AM PDT Tue May 11 2021 ...Critical Fire Weather Conditions Through the Afternoon for Elevations Below 2000 Feet... .Gusty north to east wind, low humidity and unseasonably dry fuels will continue elevated to locally critical fire weather conditions today over portions of the Central Valley, Delta and surrounding foothills below 2000 feet. CAZ215>219-263-279-120100- /O.CON.KSTO.FW.W.0002.000000T0000Z-210512T0100Z/ Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft- Central Sacramento Valley in Glenn, Colusa, Yuba, Northern Sutter, and Butte County Below 1000 Ft- Southern Sacramento Valley in Yolo- Sacramento Far Western Placer, southern Sutter and Solano County Below 1000 Ft-Carquinez Strait and Delta- Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft-Southeast Edge Shasta- Trinity NF and Western Portions of Tehama-Glenn Unit- Eastern Mendocino NF- 230 AM PDT Tue May 11 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PDT THIS EVENING FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 215, 216, 217, 218, 219, 263, AND 279... * AFFECTED AREA...Sacramento Valley, Delta, northern San Joaquin Valley and surrounding terrain below 2000 feet elevation. * WIND...Northerly 10 to 20 mph with local gusts up to 30 mph. Strongest wind expected this morning with lighter winds this afternoon. * HUMIDITY...Minimum humidity in the single digits to mid teens. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
033 WWUS86 KSTO 111950 RFWSTO URGENT - FIRE WEATHER MESSAGE National Weather Service Sacramento CA 1250 PM PDT Tue May 11 2021 CAZ215>219-263-279-112100- /O.CAN.KSTO.FW.W.0002.000000T0000Z-210512T0100Z/ 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-Southeast Edge Shasta- Trinity NF and Western Portions of Tehama-Glenn Unit- Eastern Mendocino NF- 1250 PM PDT Tue May 11 2021 ...RED FLAG WARNING IS CANCELLED FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 215, 216, 217, 218, 219, 263, AND 279... The National Weather Service in Sacramento has cancelled the Red Flag Warning. Gusty winds have decreased early this afternoon and the Red Flag Warning has been cancelled. Extremely dry conditions remain and fire safety should continue to be practiced. Interact with us via social media www.facebook.com/nws.sacramento www.twitter.com/nwssacramento $$
The office that day
Everything else NWS Sacramento, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 1:28 PM PDT | Wind Advisory | STO | 29 hr |
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.