...Gusty Wind and Low Humidity Late This Week...
.Temperatures will increase as drying north winds develop across
the region starting Friday. The combination of gusty winds and low
humidity will result in critical fire weather conditions Friday
into the weekend. The strongest winds are expected in the
Sacramento Valley west of Interstate 5, extending into the Coastal
Range. Daytime humidities will be in the single digits and teens
with widespread moderate to poor overnight humidity recovery.
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-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-Eastern Mendocino NF-
1005 AM PDT Thu Jun 28 2018
...RED FLAG WARNING IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT
SUNDAY FOR GUSTY WIND AND LOW HUMIDITY FOR FIRE WEATHER ZONES
215, 216, 263, 264, 266, AND 279...
The National Weather Service in Sacramento has issued a Red Flag
Warning, which is in effect from 11 AM Friday to 5 AM PDT Sunday.
The Fire Weather Watch is no longer in effect.
* WIND...North wind 10 to 20 mph with gusts to 35 mph.
* HUMIDITY...Afternoon minimum humidities as low as 10 percent.
Overnight recoveries as low as 20 to 35 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.
Southern Sacramento Valley in Yolo-
Sacramento Far Western Placer, southern Sutter and Solano County
Below 1000 Ft-Carquinez Strait and Delta-
Northern Motherlode From 1000 to 3000 Ft. Includes portions of
Nevada-Yuba-Placer-Amador and ElDorado Units
North Bay Mountains
The National Weather Service in San Francisco has issued a Red
Flag Warning, which is in effect from 11 PM Friday to 11 PM PDT
Saturday.
* AFFECTED AREA...Fire weather zone 507, especially higher
elevations of Napa County and far eastern Sonoma County.
* WIND...Northerly winds of 15 to 30 mph with gusts to 40 mph.
Isolated peaks and ridges could experience locally stronger
winds, especially Friday night.
* HUMIDITY...Minimum humidity readings of 10 to 20% will be common
during the day, with the driest locations dropping into the
single digit range during the warmest, driest, windiest times of
the day. Overnight humidity recoveries will be poor and less
than 30%.
* IMPACTS...Any fires that develop will likely spread rapidly.
Outdoor burning or other activities that may lead to fire
creation are 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.
