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Radar valid at 500 pm PDT, May 4th 2021

alert legend

...Critical Fire Weather Conditions Sunday into Tuesday Due to Gusty Wind and Low Humidity... .Gusty north to east wind develops over portions of the Central Valley, Delta, and surrounding foothills Sunday and persists into Tuesday afternoon. Combined with low humidity, this will result in potential critical fire weather conditions. Strongest wind forecast along the west side of the Sacramento Valley. Lighter wind expected Wednesday.

CAZ215>219-266-267-021300-
/O.UPG.KSTO.FW.A.0001.210502T1800Z-210505T0000Z/
/O.NEW.KSTO.FW.W.0001.210502T1800Z-210505T0000Z/
Northern Sacramento Valley to Southern Tehama County Line Below
1000 Ft-
Central Sacramento Valley in Glenn, Colusa, Yuba, Northern
Sutter, and Butte County Below 1000 Ft-
Southern Sacramento Valley in Yolo-
Sacramento Far Western Placer, southern Sutter and Solano County
Below 1000 Ft-Carquinez Strait and Delta-
Northern San Joaquin Valley in San Joaquin and Stanislaus
Counties Below 1000 ft-
Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions
of Shasta-Trinity and Butte Units-
Northern Motherlode From 1000 to 3000 Ft. Includes portions of
Nevada-Yuba-Placer-Amador and ElDorado Units-
159 PM PDT Sat May 1 2021

...RED FLAG WARNING IN EFFECT FROM 11 AM SUNDAY TO 5 PM PDT
TUESDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES
215, 216, 217, 218, 219, 266, AND 267...

The National Weather Service in Sacramento has issued a Red Flag
Warning, which is in effect from 11 AM Sunday to 5 PM PDT
Tuesday. The Fire Weather Watch is no longer in effect.

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

* WIND...North 15 to 25 mph with gusts 30 to 40 mph, strongest
west of Interstate 5 and along the foothills of the Coastal
Range.

* HUMIDITY...Minimum daytime humidity 9 to 20 percent. Maximum
overnight humidity generally between 30 and 60 percent, locally
lower.

* IMPACTS...Any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.

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