Thursday, September 30, 2010

RED FLAG WARNING OVER ALL SD. COUNTY

National Weather Service Statement...

RED FLAG WARNING IN EFFECT UNTIL 11 PM FOR DRY LIGHTNING...
.LIGHTNING STRIKES ARE AVERAGING ABOUT 2 PER MINUTE AND ONLY
TRACE AMOUNTS TO A FEW HUNDREDTHS OF AN INCH ARE ACCOMPANYING THE
THUNDERSTORMS. DOWNDRAFT WINDS SO FAR HAVE BEEN MEASURED BETWEEN
25 AND 37 M,PH. POTENTIAL FOR GUSTS TO 45 MPH REMAINS. NO
SIGNIFICANT MOISTENING OF LOWER LEVELS EXPECTED THROUGH TONIGHT.
...RED FLAG WARNING IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR
DRY LIGHTNING AND GUSTY OUTFLOW WINDS...
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 11 PM PDT THIS EVENING.
* FREQUENT DRY LIGHTNING LIKELY TO ACCOMPANY THUNDERSTORMS
* THUNDERSTORMS: WIDESPREAD FROM THE COASTS TO THE DESERTS MOVING
TOWARDS THE NORTHWEST
* OUTFLOW WINDS: BETWEEN 35 AND 45 MPH
* TIMING: UNTIL LATE EVENING HOURS
* OUTLOOK: MORE WETTING RAINS LIKELY ON FRIDAY AND SATURDAY
* IMPACTS: LIGHTNING STARTED FIRES WILL LIKELY BE FANNED BY
DOWNDRAFTS AND HAVE RAPID SPREAD RATES INITIALLY
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.

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