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NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
LOS ANGELES COUNTY SAN FERNANDO VALLEY-
...RED FLAG WARNING IN EFFECT THROUGH FRIDAY EVENING FOR THE
VENTURA AND LOS ANGELES COUNTY COASTS AND COASTAL VALLEYS DUE TO
GUSTY NORTHEAST WINDS AND LOW HUMIDITIES...
.VERY DRY OFFSHORE FLOW CONTINUES THIS MORNING WITH AT LEAST 15
REPORTING STATIONS ACROSS LOS ANGELES AND VENTURA COUNTIES NOW
APPROACHING 48 HOURS OF HUMIDITIES AT OR BELOW 10 PERCENT. IN
ADDITION, NORTHEAST WINDS HAVE INCREASED AGAIN WITH GUSTS
EXCEEDING 50 MPH IN THE MOUNTAINS AND 30 MPH IN THE VALLEYS AND
COASTAL AREAS. FOR THIS REASON, THE FIRE WEATHER WATCH FOR THE
VALLEYS AND COAST HAS BEEN UPGRADED TO A RED FLAG WARNING STARTING
THIS MORNING. OFFSHORE WINDS ARE EXPECTED TO INCREASE A LITTLE
MORE TONIGHT AND FRIDAY MORNING BEFORE SUBSIDING FRIDAY NIGHT.
COMPUTER MODELS ARE SHOWING A 5 TO 10 PERCENT INCREASE IN
HUMIDITIES FRIDAY NIGHT AND SATURDAY, HOWEVER CONFIDENCE IN THIS
HAPPENING IS NOT HIGH AND IT.S POSSIBLE HUMIDITIES COULD REMAIN
BELOW 10 PERCENT THROUGH AT LEAST SATURDAY AND POSSIBLY THE ENTIRE
WEEKEND. FOR NOW, THE MOUNTAIN RED FLAG WARNING REMAINS IN EFFECT
THROUGH 8 PM SATURDAY, THOUGH WIND SPEEDS AND HUMIDITIES MAY START
TO DROP BELOW CRITICAL LEVELS DURING THAT TIME.
HIGH TEMPERATURES THE NEXT FEW DAYS SHOULD BE TRENDING SLIGHTLY
COOLER AS HIGH PRESSURE WEAKENS TO OUR NORTH AND A DRY UPPER LEVEL
WEATHER SYSTEM MOVES IN FROM THE NORTHEAST. HIGHS WILL STILL BE AT
LEAST 10 DEGREES ABOVE NORMALS, BUT COOLER BY 4 TO 8 DEGREES BY
FRIDAY AND SATURDAY.
DRY OFFSHORE FLOW IS EXPECTED TO CONTINUE THROUGH TUESDAY. HOWEVER,
AT THIS TIME IT APPEARS WIND SPEEDS WILL NOT BE STRONG ENOUGH NOR
HUMIDITIES LOW ENOUGH TO WARRANT A RED FLAG WARNING BEYOND SATURDAY
NIGHT.
...RED FLAG WARNING IN EFFECT UNTIL 8 PM PST FRIDAY DUE TO GUSTY
NORTHEAST WINDS AND LOW HUMIDITIES...
THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS ISSUED A RED
FLAG WARNING... WHICH IS IN EFFECT UNTIL 8 PM PST FRIDAY. THE FIRE
WEATHER WATCH IS NO LONGER IN EFFECT.
NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH ARE EXPECTED
TODAY... ESPECIALLY ACROSS THE NORTHERN AND WESTERN PORTION OF THE
VALLEY. WINDS ARE EXPECTED TO INCREASE TONIGHT AND FRIDAY MORNING
WITH GUSTS UP TO 40 MPH POSSIBLE. RECOVERIES OVERNIGHT WILL BE
MINIMAL...GENERALLY REMAINING AT OR BELOW 20 PERCENT.
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. PLEASE ADVISE THE APPROPRIATE
OFFICIALS OR FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.
sent at: Thursday, January 15 2009 9:35:27 AM
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