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Friday, January 27, 2012

Red Flag Warning now in effect San Diego, Orange, San Bernardino, Riverside counties

 Red Flag Warning now in effect for saturday for very low humidities and strong gusty northeast to east winds.
Red Flag Warning
 THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A RED FLAG WARNING FOR STRONG GUSTY WINDS AND LOW HUMIDITIES WHICH IS IN EFFECT FROM 2 AM TO 6 PM PST SATURDAY.  
 RED FLAG WARNING IN EFFECT FROM 2 AM TO 6 PM PST SATURDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITIES
A COMBINATION OF STRONG WINDS, LOW RELATIVE HUMIDITY AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. 

 DISCUSSION: SURFACE HIGH PRESSURE OVER THE GREAT BASIN AND UPPER LEVEL HIGH PRESSURE RIDGE OVER THE CALIFORNIA COAST WILL BRING WARMER... DRY... AND WINDY WEATHER THROUGH SATURDAY.
 CONTINUED WARM AND VERY DRY FOR SUNDAY. RECENT RAINFALL AND THE IMPACT ON FUELS WILL BE A MITIGATING FACTOR BUT GIVEN THE STRENGTH OF THE WINDS AND THE VERY DRY CONDITIONS ANY LARGE FIRE STARTS COULD RESULT IN RAPID FIRE GROWTH.
 THE WINDS WILL DIMINISH SATURDAY AFTERNOON BUT POOR OVERNIGHT RECOVERY IS EXPECTED SATURDAY NIGHT WITH VERY LOW HUMIDITIES BUT WEAK WINDS FOR SUNDAY.
 THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.
WINDS: NORTHEAST 20 TO 30 MPH WITH GUSTS TO 55 MPH. GUSTS TO 65 MPH ARE POSSIBLE IN THE FAVORED LOCATIONS.
RELATIVE HUMIDITY: LOWEST DAYTIME AROUND 5 PERCENT WITH POOR OVERNIGHT RECOVERY.
TIMING: NORTHEAST WINDS ARE INCREASING THIS MORNING AND WILL CONTINUE AT TIMES THROUGH SATURDAY AFTERNOON. LOWEST HUMIDITIES ARE EXPECTED SATURDAY.
OUTLOOK: THE WINDS WILL WEAKEN RAPIDLY SATURDAY EVENING BUT POOR HUMIDITY RECOVERY IS EXPECTED SATURDAY NIGHT WITH VERY DRY CONDITIONS CONTINUING INTO SUNDAY.


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- SAN DIEGO COUNTY INLAND VALLEYS - SAN BERNARDINO COUNTY MOUNTAINS INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF THE SAN BERNARDINO NATIONAL FOREST - RIVERSIDE COUNTY MOUNTAINS INCLUDING THE SAN JACINTO RANGER DISTRICT OF THE SAN BERNARDINO NATIONAL FOREST - SANTA ANA MOUNTAINS INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONALFOREST - SAN DIEGO COUNTY MOUNTAINS INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE CLEVELAND NATIONAL FOREST
Affected Counties or parts of: San Diego county, Riverside County, San Bernardino County, Orange County

Sent: 2012-01-27T10:36:58-08:00
Original Sender: KSGX@nwws.oes.ca.gov
From: NATIONAL WEATHER SERVICE SAN DIEGO CA

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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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