Full Notification

Issued by The National Weather Service
Los Angeles, CA

Sun, May 11, 2014, 3:03 PM PDT

... RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY FOR GUSTY NORTHEAST WINDS AND LOW RELATIVE HUMIDITY FOR THE SAN GABRIEL VALLEY...

* WINDS... NORTHEAST 10 TO 20 MPH WITH GUSTS TO 30 MPH THROUGH MONDAY AFTERNOON. THE STRONGEST WINDS WILL OCCUR IN THE HILLS.

* RELATIVE HUMIDITY... HUMIDITY BETWEEN 4 AND 10 PERCENT THIS AFTERNOON AND MONDAY... WITH LIMITED RECOVERY TONIGHT.

* TEMPERATURES... UPPER 80S TO MID 90S ON MONDAY.

* IMPACTS... EXTREME FIRE BEHAVIOR IS POSSIBLE IF FIRE IGNITION OCCURS.

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 EXTREME FIRE BEHAVIOR. PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.

... RED FLAG WARNINGS IN EFFECT THROUGH MONDAY EVENING FOR THE MOUNTAINS AND VALLEYS OF VENTURA AND LOS ANGELES COUNTIES FOR GUSTY NORTHEAST WINDS AND LOW RELATIVE HUMIDITY...

.NORTH TO NORTHEAST FLOW WILL CONTINUE ACROSS VENTURA AND LOS ANGELES COUNTIES THROUGH MONDAY... BRINGING WARM AND DRY CONDITIONS. SO FAR TODAY... WIND GUSTS BETWEEN 35 AND 55 MPH HAVE BEEN OBSERVED ACROSS VENTURA AND LOS ANGELES COUNTIES ALONG WITH RELATIVE HUMIDITY IN THE SINGLE DIGITS. FOR TONIGHT AND MONDAY... THE OFFSHORE WINDS ARE EXPECTED TO BE A BIT WEAKER... BUT STILL GUSTS UP TO AROUND 45 MPH CAN BE EXPECTED IN THE WIND-PRONE AREAS. RELATIVE HUMIDITY WILL EXHIBIT LITTLE... IF ANY..RECOVERY AWAY FROM THE COAST TONIGHT AND WIDESPREAD SINGLE DIGIT HUMIDITY IS EXPECTED AGAIN ON MONDAY. THEREFORE DUE TO THE EXPECTED WINDS AND DRY AIR MASS... THE RED FLAG WARNINGS WILL REMAIN IN EFFECT ACROSS THE MOUNTAINS AND VALLEYS OF VENTURA AND LOS ANGELES COUNTIES THROUGH MONDAY EVENING.

FOR TUESDAY THROUGH WEDNESDAY... THE DRY OFFSHORE FLOW WILL CONTINUE. COMPUTER MODELS STILL INDICATE STRONGER NORTHEAST WINDS... AND WIDESPREAD ADVISORY-LEVEL WINDS WOULD NOT BE SURPRISING ACROSS VENTURA AND LOS ANGELES COUNTIES. AT THE SAME TIME... VERY DRY CONDITIONS WILL CONTINUE AND TEMPERATURES WILL CLIMB (90S TO LOW 100S BY WEDNESDAY). ON THURSDAY... THE OFFSHORE WINDS WILL DIMINISH... BUT HOT AND DRY CONDITIONS WILL CONTINUE. SO... THERE IS THE POTENTIAL FOR CRITICAL FIRE WEATHER CONDITIONS TO PERSIST THROUGH THURSDAY ACROSS VENTURA AND LOS ANGELES COUNTIES.

pf440