Tuesday, November 1, 2011

[californiadisasters] Red Flag Warnings For Bay Area (11/01/11-AM)



...RED FLAG WARNING IN EFFECT FOR THE NORTH AND EAST BAY HILLS
FROM THROUGH 6 AM WEDNESDAY MORNING...

.STRONG NORTHERLY WINDS ARE ALREADY DEVELOPING ACROSS THE NORTH
AND EAST BAY HILLS EARLY THIS MORNING. NORTH TO NORTHEAST WINDS
WILL CONTINUE TO INCREASE THROUGH THE DAY AS HUMIDITY VALUES
CONTINUE TO DRY OUT. THE STRONGEST WINDS WILL END BY THIS EVENING
BUT VERY DRY AIR WILL STAY IN PLACE AT LEAST THROUGH WEDNESDAY MORNING.

CAZ507-511-012315-
/O.CON.KMTR.FW.W.0004.111101T1300Z-111102T1300Z/
NORTH BAY MOUNTAINS-EAST BAY HILLS AND DIABLO RANGE-
416 AM PDT TUE NOV 1 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM PDT WEDNESDAY
FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTH AND EAST BAY
HILLS...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 AM PDT WEDNESDAY.

* AFFECTED AREA...THE NORTH AND EAST BAY HILLS ABOVE 1000 FEET.
THE STRONGEST WINDS WILL INITIALLY ARRIVE IN THE NAPA COUNTY
HILLS EARLY THIS MORNING AND THEN SPREAD INTO THE EAST BAY HILLS
DURING THE MID-MORNING HOURS. BY THIS AFTERNOON THE OFFSHORE
WINDS WILL REACH THE COASTAL HILLS OF MARIN AND SONOMA COUNTY.

* WINDS...NORTH 15 TO 25 MPH WITH FREQUENT GUSTS 35 TO 40 MPH.

* RELATIVE HUMIDITY...30 TO 40 PERCENT AT SUNRISE...LOWERING 12 TO
25 PERCENT THROUGH THE DAY WITH LITTLE OR NO HUMIDITY RECOVERY TONIGHT.

* IMPACTS...ANY FIRE STARTS DURING THE PERIOD OF STRONG WINDS
AND LOW HUMIDITY WILL BE DIFFICULT TO SUPPRESS WITH RAPID
RATES OF SPREAD. PRESCRIBED AND BACKYARD BURNERS SHOULD USE
EXTREME CAUTION DURING THIS RED FLAG EVENT.

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 WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

FOR MORE INFORMATION FROM NOAA/NATIONAL WEATHER SERVICE VISIT...
WEATHER.GOV/SANFRANCISCO (ALL LOWER CASE)

Source: http://www.wrh.noaa.gov/total_forecast/getprod.php?wfo=mtr&sid=MTR&pil=RFW

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