NWS - San Francisco
900 AM Sat Oct 13
…RED FLAG WARNING FROM LATE TONIGHT THROUGH MONDAY MORNING FOR
NORTH AND EAST BAY HILLS/MOUNTAINS…
.Critical fire weather conditions are likely to develop beginning
late tonight and persist through Monday morning due to a
combination of strong, gusty offshore winds and low relative
humidity across the North Bay Mountains, East Bay Hills and Diablo
Range.
WIND…Northeast winds 20 to 35 with gusts to 45 mph, local
-
HUMIDITY…Minimum daytime humidity values as low as 5 to 10
percent, with overnight humidity recoveries as low as 30
percent. -
GREATEST THREAT…Elevations above 1,000 feet in Napa County
and eastern Sonoma County where the driest conditions and
strongest winds are most likely.