Interactive NWS Alert
Radar valid at 500 pm PDT, May 4th 2021
...Potential Critical Fire Weather Conditions Sunday Afternoon
into Tuesday Due to Gusty Winds and Low Humidity...
.Gusty northerly winds are expected to develop over the
Sacramento and northern San Joaquin Valleys and portions of the
Delta and lower foothills Sunday afternoon. Afternoon humidity
levels expected to drop into the teens and even single digits
locally. Poor humidity recoveries are expected overnight. These
factors along with unseasonably dry fuels will bring the potential
for critical fire weather mid-day Sunday into Tuesday afternoon.
The strongest winds are expected along the west side of the
Sacramento Valley. Winds decrease Tuesday evening.
Northern Sacramento Valley to Southern Tehama County Line Below
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-
131 PM PDT Fri Apr 30 2021
...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH
TUESDAY AFTERNOON 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 Fire
Weather Watch, which is in effect from Sunday morning through
* AFFECTED AREA...Elevations below 1500 feet for the following
zones. Fire weather zone 215, 216, 217, 218, 219, 266, and
northern portion of 267.
* WIND...North 15 to 20 mph with gusts 25 to 40 mph, strongest
west of Interstate 5 and along the foothills of the Coastal Range.
* HUMIDITY...Minimum humidity 9 to 18 percent
* IMPACTS...any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.
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