Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Sacramento CA
612 AM PDT Tue Sep 25 2018
...Red Flag Warning through This Afternoon...
.Breezy northerly winds will continue through this afternoon
across parts of northern California. Poor morning humidity
recovery and low daytime RH will combine to produce critical fire
weather conditions. The strongest winds will be over the higher
elevations of the coast range and Sierra and also the northern
Sacramento valley. RH values will remain low tonight and Wednesday
but winds should be somewhat lighter.
CAZ213-215>217-221-263-264-266>269-279-260000-
/O.CON.KSTO.FW.W.0008.000000T0000Z-180926T0000Z/
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-Stanislaus NF West of the Sierra Crest-
Southeast Edge Shasta-Trinity NF and Western Portions of Tehama-
Glenn Unit-Lake County Portion of Lake-Napa-Sonoma 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-
Northern Sierra Including Lassen NP and Plumas and Lassen NF/S
West of the Sierra Crest (West of Evans Peak-Grizzly Peak-
Beckworth Peak)-
Northern Sierra Including the Tahoe and ElDorado NF/S West of the
Sierra Crest-Eastern Mendocino NF-
612 AM PDT Tue Sep 25 2018
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON FOR BREEZY WIND AND LOW RH FOR FIRE WEATHER ZONES 213,
215, 216, 217, 221, 263, 264, 266, 267, 268, 269, AND 279...
* WIND...Northwest to northeast wind 10 to 15 mph with gusts to 30
mph. Strongest winds expected in the morning hours.
* HUMIDITY...Morning humidity recoveries less than 30 percent
Daytime minimum humidities 10 to 20 percent. Single digits
possible in the northern Sacramento valley.
* 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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$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service San Francisco CA
327 AM PDT Tue Sep 25 2018
...Red Flag Warning in effect through 5 pm Tuesday for low
humidity and dry offshore winds for the North Bay Mountains and
East Bay Hills...
.A very dry airmass with light to moderate offshore winds will
continue through this afternoon.
CAZ511-252200-
/O.CON.KMTR.FW.W.0004.000000T0000Z-180926T0000Z/
East Bay Hills and the Diablo Range-
327 AM PDT Tue Sep 25 2018
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON FOR LOW HUMIDITY AND DRY OFFSHORE WINDS FOR THE EAST
BAY HILLS...
* AFFECTED AREA...The East Bay Hills. Fire weather zone 511
which includes all locations above 1000 feet for the East Bay
and Diablo Range of Santa Clara county including Mt Hamilton.
* WIND...Northeast winds 5 to 15 mph with gusts 20 to 30 mph.
* HUMIDITY...9 to 19%.
* IMPACTS...any fires that develop will likely spread rapidly.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now...or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$
