Full Notification

The National Weather Service in San Francisco has issued a Red Flag Warning for dry offshore winds, which is in effect from 11 PM this evening to 8 PM PDT Monday. The Fire Weather Watch is no longer in effect.

* AFFECTED AREA...Fire Weather Zone 507 North Bay Mountains and Fire Weather Zone 511 East Bay Hills and the Diablo Range. The Napa hills and East Bay hills that received less than a tenth of an inch of rain will be the areas of biggest concern.

* TIMING...11 PM Sunday night to 8 PM Monday evening. Initial burst of gusty offshore winds overnight to mid morning Monday. Drier conditions but lighter winds Monday daytime. Offshore winds ease Monday night with continued poor humidity recovery.

* WINDS...Northeast 10 to 20 mph with gusts up to 40 mph. Local gusts up to 50 mph over the highest peaks.

* RELATIVE HUMIDITY...Initially 30-45% tonight drying to 15-30% on Monday with little or no recovery Monday night.

* IMPACTS...Any fire starts would likely see rapid spread due to dry fuels, low humidity and gusty winds in areas that did not receive wetting rains over the last 24 hours.

* AFFECTED AREAS: NORTH BAY MOUNTAINS ... EAST BAY HILLS AND THE DIABLO RANGE
 

Event Description:

Red Flag Warning

Instructions:

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.