Red Flag Warning: Santa Ana Winds - Los Angeles, Ventura County, LPNF Mountains

RED FLAG WARNING TONIGHT INTO SUNDAY MORNING. BRINGING A MODERATE TO LOCALLY STRONG SANTA ANA WIND EVENT ACROSS SOUTHERN CALIFORNIA.  SINGLE DIGIT HUMIDITIES MAY OCCUR. IF FIRE IGNITION OCCURS THERE COULD BE THE POTENTIAL FOR LARGE FIRE GROWTH WITH RAPID FIRE SPREAD WHICH COULD LEAD TO A THREAT TO LIFE AND PROPERTY.

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 MILD TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL WARM TEMPERATURES WILL CREATE EXTREME FIRE BEHAVIOR. PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.

FIRE WEATHER

Update 1545hrs: [EDIS] red flag warning in effect from tonnight through sunday for gusty northeast winds and low relative humidity for much of los angeles and ventura counties.

 SURFACE HIGH PRESSURE BUILDING INTO THE GREAT BASIN THROUGH TONIGHT INTO SUNDAY MORNING. BRINGING A MODERATE TO LOCALLY STRONG SANTA ANA WIND EVENT ACROSS SOUTHERN CALIFORNIA.

 THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A RED FLAG WARNING FOR GUSTY NORTHEAST WINDS AND LOW RELATIVE HUMIDITY FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS.

 THE COMBINATION OF GUSTY OFFSHORE WINDS, LOW HUMIDITY, AND DRY FUELS HAS PROMPTED THE ISSUANCE OF THE RED FLAG WARNING IN EFFECT FROM 10 PM THIS EVENING TO 6 PM PST SUNDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS.

  THIS WARNING IS IN EFFECT FROM 10 PM THIS EVENING TO 6 PM PST SUNDAY.
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 WINDS:  WINDS ARE EXPECTED TO INCREASE SHARPLY THIS EVENING ACROSS THE MOUNTAINS AND DESCEND INTO THE LOWER ELEVATIONS OVERNIGHT.NORTHEAST 25 TO 35 MPH WITH GUSTS UP TO 60 MPH.
RELATIVE HUMIDITY: HUMIDITIES ARE EXPECTED TO LOWER RAPIDLY WITH THE ONSET OF THE OFFSHORE WINDS. WIDESPREAD HUMIDITIES OF 10 TO 15 PERCENT CAN BE EXPECTED ACROSS THE WARNING AREA WITH ISOLATED SINGLE DIGITS IN THE MOUNTAINS. 10 TO 15 PERCENT WITH ISOLATED SINGLE DIGIT HUMIDITY.
 IMPACTS: IF FIRE IGNITION OCCURS THERE COULD BE THE POTENTIAL FOR LARGE FIRE GROWTH WITH RAPID FIRE SPREAD WHICH COULD LEAD TO A THREAT TO LIFE AND PROPERTY.
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 MILD TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. WARM TEMPERATURES WILL CREATE EXTREME FIRE BEHAVIOR. PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.Area: VENTURA COUNTY MOUNTAINS / LOS PADRES NATIONAL FOREST - LOS ANGELES COUNTY MOUNTAINS / ANGELES NATIONAL FOREST-
Affected Counties or parts of: Santa Barbara, Ventura, San Luis Obispo, Los Angeles

California Fire News 2011