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Red Flag Warning

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.

&&

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$$



U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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