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Friday, November 12, 2010

RED FLAG WARNING: Southern California Coastal Areas

[EDIS] Red Flag Warning in effect Saturday for orange county... the Inland Empire... and the Santa Ana mountains and foothills
WHEN: RED FLAG WARNING IN EFFECT FROM 6 AM TO 6 PM PST SATURDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITY ACROSS ORANGE COUNTY... ANOTHER ROUND OF MODERATE SANTA ANA WINDS AREA FORECAST FOR SATURDAY. THOUGH THE WIND SPEEDS AND GUSTS MAY BE SLIGHTLY LESS THAN THURSDAYS WIND EVENT...
WHY: THE RELATIVE HUMIDITY AND FUEL MOISTURE LEVELS ARE FORECAST TO BE LOW ENOUGH TO INCREASE THE RISK OF EXPLOSIVE FIRE GROWTH.
WHERE: THE INLAND EMPIRE...AND THE SANTA ANA MOUNTAINS...INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL FOREST... THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. A LARGE PORTION OF ORANGE COUNTY...THE INLAND EMPIRE...AND THE SANTA ANA MOUNTAINS...
WHAT: AREA FORECAST TO EXPERIENCE MORE THAN 6  HOURS OF RELATIVE HUMIDITY BELOW 15 PERCENT AND WINDS GUSTING OVER 5 MPH. IN PARTICULAR...
* WIND: SUSTAINED NORTHEAST 20 TO 30 MPH WITH GUSTS 35 TO 55 MPH. * HUMIDITY: 5 TO 12 PERCENT.
* TIMING: AFTER 7 AM PST THROUGH 6 PM PST SATURDAY NOVEMBER 13 * OUTLOOK: AFTER 6 PM RELATIVE HUMIDITY INCREASING ABOVE 15 PERCENT WHILE WINDS CONTINUE TO GUST OVER 35 MPH UNTIL 10 PM PST.
* IMPACTS: ANY EXISTING OR NEW FIRE STARTS ARE LIKELY TO GROW EXPLOSIVELY...ESPECIALLY WHERE TERRAIN IS IN ALIGNMENT WITH THE WIND AND FINE AND DEAD FUELS ARE PRESENT.
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:  ORANGE COUNTY COASTAL AREAS-SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-SANTA ANA MOUNTAINS-INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONALFOREST-

Affected Counties or parts of: San Diego, Riverside, San Bernardino, Orange

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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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