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Monday, October 24, 2011

Red Flag Warning: San Francisco Bay Area East Bay Hills

    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 WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL
     Red Flag Warning in effect San Francisco Bay Area, East Bay Hills, Napa County.  Tuesday night through early Thursday morning for the north and east bay hills due to gusty offshore winds and low relative humidity.   AFTER A WARM AND DRY WEEKEND TEMPERATURES WILL COOL DOWN TONIGHT THROUGH TUESDAY. HOWEVER BY TUESDAY NIGHT DRY NORTHERLY WINDS WILL DEVELOP ACROSS THE NORTH AND EAST BAY HILLS.   THE STRONGEST WINDS WILL OCCUR LATE TUESDAY NIGHT THROUGH ABOUT MIDDAY WEDNESDAY. HOWEVER DRY OFFSHORE WINDS WITH VERY LOW HUMIDITY WILL CONTINUE AGAIN WEDNESDAY NIGHT THROUGH SUNRISE THURSDAY... ESPECIALLY IN THE EAST BAY HILLS. ... RED FLAG WARNING IN EFFECT FROM 6 PM TUESDAY TO 6 AM PDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTH BAY HILLS ABOVE 1000 FEET IN MARIN/SONOMA AND NAPA COUNTIES...  THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 6 PM TUESDAY TO 6 AM PDT THURSDAY. HILLS ABOVE 1000 FEET IN MARIN/SONOMA AND NAPA COUNTIES. THE AREA OF STRONGEST WINDS WILL BE THE HILLS OF NORTHERN AND EASTERN NAPA COUNTY AS WELL AS AROUND MOUNT ST HELENA. * WINDS NORTH TO NORTHEAST WINDS SUSTAINED 15 TO 25 MPH WITH FREQUENT GUSTS 35 TO 40 MPH. STRONGEST WINDS WILL OCCUR LATE TUESDAY NIGHT THROUGH MIDDAY WEDNESDAY. * RELATIVE HUMIDITY. LESS THAN 30 PERCENT TUESDAY NIGHT LOWERING TO 12 TO 18 PERCENT WEDNESDAY THROUGH EARLY THURSDAY WITH NO HUMIDITY RECOVERY ON WEDNESDAY NIGHT. * IMPACTS ANY IGNITIONS DURING THE PERIOD OF STRONGEST WINDS COULD LEAD TO NEW FIRE STARTS THAT WILL BE DIFFICULT TO SUPPRESS WITH RAPID RATES OF SPREAD. PRECAUTIONARY/PREPAREDNESS ACTIONS    Instruction: 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 WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.    Area: NORTH BAY MOUNTAINS- Affected Counties or parts of: San Francisco, Santa Cruz, San Mateo, Marin, Monterey, Contra Costa, Napa, San Benito, Sonoma, Santa Clara, Alameda   California Fire News 2011 

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****REMINDER**** Every fire has the ability to be catastrophic. The wildland fire management environment has profoundly changed. Growing numbers of communities, across the nation, are experiencing longer fire seasons; more frequent, bigger, and more severe, fires are a real threat. Be careful with all campfires and equipment.
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