...GUSTY NORTHEAST WINDS AND VERY LOW HUMIDITIES TO CONTINUE THROUGH
THANKSGIVING DAY...
...POTENTIAL FOR STRONGER OFFSHORE WINDS AND DRY CONDITIONS SUNDAY
INTO MONDAY...
FNUS56 KLOX 251724
FWFLOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHWESTERN CALIFORNIA
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
930 AM PST WED NOV 25 2009
...GUSTY NORTHEAST WINDS AND VERY LOW HUMIDITIES TO CONTINUE THROUGH
THANKSGIVING DAY...
...POTENTIAL FOR STRONGER OFFSHORE WINDS AND DRY CONDITIONS SUNDAY
INTO MONDAY...
.DISCUSSION...SURFACE HIGH PRESSURE WILL CONTINUE TO GENERATE WEAK
TO MODERATE OFFSHORE WINDS...WARM TEMPERATURES...AND VERY LOW HUMIDITIES
THROUGH THANKSGIVING DAY. THE STRONGEST WINDS TODAY WILL AFFECT THE
MOUNTAIN PASSES AND CANYONS OF LOS ANGELES AND VENTURA COUNTIES...
WHERE WIND GUSTS WILL GENERALLY REMAIN BETWEEN 40 AND 50 MPH. GUSTY
NORTHEAST WINDS WILL CONTINUE TONIGHT INTO THURSDAY MORNING...
BUT ARE EXPECTED TO BE SLIGHTLY WEAKER THAN TODAY. OFFSHORE WINDS
ARE EXPECTED TO DIMINISH CONSIDERABLY BY LATE THURSDAY AFTERNOON.
TEMPERATURES ARE EXPECTED TO CLIMB WELL INTO THE 80S ACROSS MANY
COASTAL AND VALLEY AREAS TODAY AND THURDAY...WITH LONG DURATIONS OF SINGLE
DIGIT HUMIDITIES EACH DAY. IN ADDITION...HUMIDITY RECOVERIES WILL
REMAIN QUITE POOR OVERNIGHT...ESPECIALLY IN THE FOOTHILLS...MOUNTAINS...
AND AREAS EXPOSED TO WINDS. AFTER COORDINATION WITH LOCAL AGENCIES...
A RED FLAG WARNING HAS NOT BEEN ISSUED DUE TO LIVE FUEL MOISTURES BEING
ABOVE CRITICAL LEVELS. HOWEVER...DEAD FUEL MOISTURES ARE EXTREMELY LOW
AND BECAUSE OF THIS THERE IS STILL A VERY HIGH FIRE DANGER.
A LOW PRESSURE SYSTEM IS EXPECTED TO MOVE INTO NORTHERN CALIFORNIA
ON FRIDAY BRINGING A RETURN OF ONSHORE FLOW...COOLER TEMPERATURES...
AND HIGHER HUMIDITIES TO THE REGION. THIS COLD LOW PRESSURE SYSTEM
HAS THE POTENTIAL TO MOVE INTO SOUTHERN CALIFORNIA ON SATURDAY. AT
THIS TIME...IT LOOKS LIKE THE BEST CHANCE OF PRECIPITATION WILL BE
ACROSS THE MOUNTAINS...BUT A SLIGHT CHANCE OF SHOWERS MAY NEED TO
BE ADDED TO OTHER AREAS AS WE DRAW CLOSER TO THE EVENT. BEHIND THIS
SYSTEM...THERE IS THE POTENTIAL FOR A STRONGER AND MORE WIDESPREAD
OFFSHORE WIND EVENT SUNDAY INTO MONDAY. THIS OFFSHORE WIND EVENT IS
EXPECTED TO BE SOMEWHAT COOLER THAN THIS CURRENT EVENT...BUT HAS THE
POTENTIAL TO BRING ANOTHER ROUND OF DRY AIR INTO THE REGION. THE HUMIDITY
AND WIND COMPONENT OF THE RED FLAG WARNING SYSTEM COULD BE MET FOR THE
SUNDAY INTO MONDAY EVENT...HOWEVER ANY ISSUANCES OF WATCHES OR WARNINGS
WILL REQUIRE COORDINATION WITH AGENCIES ON FUEL CONDITIONS.
CAZ244-245-260000-
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
930 AM PST WED NOV 25 2009
.TODAY...
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....75-83.
24 HR TREND......UP 3.
MIN HUMIDITY........6-12 PERCENT.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTHEAST 20-30 MPH WITH GUSTS TO 45 MPH...DIMINISHING
TO 15-25 MPH WITH GUSTS TO 35 MPH BY MID AFTERNOON. LOCAL
GUSTS TO 60 MPH IN THE HILLS IN THE MORNING.
MARINE LAYER........NONE.
LAL.................1.
CWR (>0.10 IN)......0 PERCENT.
.TONIGHT...
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....43-53...EXCEPT 54-65 FOOTHILLS.
MAX HUMIDITY........30-50 PERCENT...EXCEPT 10-20 PERCENT FOOTHILLS AND
WINDY AREAS.
20-FOOT WINDS.......NORTHEAST 15-25 MPH WITH GUSTS TO 35 MPH. LOCAL
GUSTS TO 45 MPH IN THE HILLS.
LAL.................1.
CWR (>0.10 IN)......0 PERCENT.
.THANKSGIVING DAY...
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....75-85.
MIN HUMIDITY........5-10 PERCENT.
20-FOOT WINDS.......NORTHEAST 15-25 MPH WITH GUSTS TO 35 MPH...DIMINISHING
TO 10-15 MPH BY MID AFTERNOON. LOCAL GUSTS TO 45 MPH
IN THE HILLS IN THE MORNING.
LAL.................1.
CWR (>0.10 IN)......0 PERCENT.
...COASTS/VALLEYS INCLUDING THE SANTA MONICA RANGE...
.FRIDAY...MOSTLY CLEAR...EXCEPT PATCHY LOW CLOUDS AND FOG ALONG THE
COAST IN THE MORNING. LOWS IN THE UPPER 30S TO MID 50S. HIGHS IN THE
60S TO LOWER 70S. NORTHWEST WINDS 10 TO 20 MPH.
.SATURDAY...WINDY. MOSTLY CLEAR. LOWS IN THE UPPER 30S TO LOWER 50S.
HIGHS IN THE 60S TO LOWER 70S. NORTHEAST WINDS 20 TO 30 MPH. LOCAL
GUSTS TO 50 MPH...STRONGEST VENTURA AND LOS ANGELES COUNTIES.
.SUNDAY...WINDY. MOSTLY CLEAR. LOWS IN THE MID 30S TO LOWER 50S.
HIGHS IN THE 60S TO MID 70S. NORTHEAST WINDS 20 TO 30 MPH. LOCAL
GUSTS TO 50 MPH. STRONGEST VENTURA AND LOS ANGELES COUNTIES.
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