Alert archive / California / Red Flag Warnings in 2021

Red Flag Warning 12, NWS Sacramento, CA

September 28, 2021

NWS Sacramento, CA issued this red flag warning at Sep 28, 2021, 2:50 AM PDT. It took effect at Sep 28, 2021, 11:00 AM PDT. It was in force for 9 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
Sep 28, 2021, 2:50 AM PDT (09:50 UTC)
In effect from
Sep 28, 2021, 11:00 AM PDT
Expired
Sep 28, 2021, 8:00 PM PDT
In force
9 hr
Issued by
NWS Sacramento, CA

The text

As transmitted.

737 
WWUS86 KSTO 280950
RFWSTO

URGENT - FIRE WEATHER MESSAGE
National Weather Service Sacramento CA
250 AM PDT Tue Sep 28 2021

....Red Flag Warning in effect from 11 am this morning through 8 
pm tonight for portions of the Sacramento Valley, Northern San 
Joaquin Valley, and Delta...

.Gusty north to northeast winds will develop this morning across 
portions of the Sacramento Valley, Northern San Joaquin Valley, 
and Delta. Strongest winds are expected this afternoon and then 
diminshing during the evening. These winds, combined with low 
humidity and extremely dry fuels, will lead to critical fire 
weather conditions.

CAZ215>220-266-267-290300-
/O.NEW.KSTO.FW.W.0012.210928T1800Z-210929T0300Z/
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-
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-
250 AM PDT Tue Sep 28 2021

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM PDT
THIS EVENING FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER 
ZONES 215, 216, 217, 218, 219, 220, 266, AND 267...

The National Weather Service in Sacramento has issued a Red Flag
Warning, which is in effect from 11 AM this morning to 8 PM PDT
this evening. 

* AFFECTED AREA...Fire weather zone 215.Fire weather zones 216, 
  217, 218, 219, 220, 266, and 267. 

* WIND...North to northeast wind gusts of 20 to 35 mph will
  develop this morning. Strongest during the afternoon.

* HUMIDITY...Minimum humidity in the mid teens to low 20s. 

* 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

$$
3 follow-up statements
390 
WWUS86 KSTO 281455
RFWSTO

URGENT - FIRE WEATHER MESSAGE
National Weather Service Sacramento CA
755 AM PDT Tue Sep 28 2021

....Red Flag Warning in effect from 11 am this morning through
8 pm tonight for portions of the Sacramento Valley, Northern San
Joaquin Valley, and Delta...

.Gusty north to northeast winds will develop this morning across
portions of the Sacramento Valley, Northern San Joaquin Valley,
and Delta. Strongest winds are expected this afternoon and then
diminishing during the evening. These winds, combined with low
humidity and extremely dry fuels, will lead to critical fire
weather conditions. This warning does not include the Fawn Fire
and Shasta County.

CAZ215>220-266-267-290300-
/O.CON.KSTO.FW.W.0012.210928T1800Z-210929T0300Z/
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-
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-
755 AM PDT Tue Sep 28 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM PDT THIS EVENING FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE
WEATHER ZONES 215, 216, 217, 218, 219, 220, 266, AND 267...

* AFFECTED AREA...Fire weather zone 215.Fire weather zones 216,
  217, 218, 219, 220, 266, and 267. This does not include the 
  Fawn Fire and Shasta County. 

* WIND...North to northeast wind gusts of 20 to 35 mph will 
  develop this morning. Strongest during the afternoon.

* HUMIDITY...Minimum humidity in the mid teens to low 20s.

* 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

$$
179 
WWUS86 KSTO 282043
RFWSTO

URGENT - FIRE WEATHER MESSAGE
National Weather Service Sacramento CA
143 PM PDT Tue Sep 28 2021

....Red Flag Warning in effect through 8 pm tonight for portions 
of the Sacramento Valley, Northern San Joaquin Valley, and 
Delta...

.Gusty north to northeast winds will continue across portions of 
the Sacramento Valley, Northern San Joaquin Valley, and Delta. 
Strongest winds are expected this afternoon and then diminishing 
during the evening. These winds, combined with low humidity and 
extremely dry fuels, will lead to critical fire weather 
conditions. This warning does not include the Fawn Fire and Shasta
County.

CAZ215>220-266-267-290300-
/O.CON.KSTO.FW.W.0012.000000T0000Z-210929T0300Z/
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-
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-
143 PM PDT Tue Sep 28 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 215, 216,
217, 218, 219, 220, 266, AND 267...

* AFFECTED AREA...Fire weather zones 215, 216, 217, 218, 219, 
  220, 266, and 267. This does not include the Fawn Fire and 
  Shasta County. 

* WIND...North to northeast wind gusts of 20 to 35 mph. Strongest
  winds this afternoon.

* HUMIDITY...Minimum humidity in the mid teens to low 20s.

* 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

$$
245 
WWUS86 KSTO 290256
RFWSTO

URGENT - FIRE WEATHER MESSAGE
National Weather Service Sacramento CA
756 PM PDT Tue Sep 28 2021

CAZ215>220-266-267-290400-
/O.EXP.KSTO.FW.W.0012.000000T0000Z-210929T0300Z/
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-
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-
756 PM PDT Tue Sep 28 2021

...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR GUSTY
WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES 215, 216, 217, 218, 
219, 220, 266, AND 267...

Winds continue to decrease this evening and we are no longer
seeing widespread Red Flag conditions. The Red Flag Warning will 
expire at 8 pm. 

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.