...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.
CAZ239-260000-
SANTA BARBARA COUNTY SOUTH COAST-
930 AM PST WED NOV 25 2009
.TODAY...
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....70-75...EXCEPT 76-80 FOOTHILLS.
24 HR TREND......UP 3.
MIN HUMIDITY........15-25 PERCENT...EXCEPT 10-15 PERCENT FOOTHILLS.
24 HR TREND......DOWN 5.
20-FOOT WINDS.......VARIABLE 3-6 MPH.
MARINE LAYER........NONE.
LAL.................1.
CWR (>0.10 IN)......0 PERCENT.
.TONIGHT...
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....45-55...EXCEPT 56-63 FOOTHILLS.
MAX HUMIDITY........50-70 PERCENT...EXCEPT 20-30 PERCENT FOOTHILLS.
20-FOOT WINDS.......VARIABLE 3-6 MPH.
LAL.................1.
CWR (>0.10 IN)......0 PERCENT.
.THANKSGIVING DAY...
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....68-74...EXCEPT 75-80 FOOTHILLS.
MIN HUMIDITY........20-30 PERCENT NEAR THE COAST TO 10-20 PERCENT
IN THE FOOTHILLS.
20-FOOT WINDS.......VARIABLE 3-6 MPH BECOMING SOUTHWEST 6-12 MPH IN
THE AFTERNOON.
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.
|
|
National Weather Service
Western Region Headquarters
125 South State Street
Salt Lake City, UT 84103
Tel:
Webmaster
Page last Modified: Update - 07/17/2008
|
Disclaimer
Credits
Glossary |
Privacy Policy
About Our Organization
Career Opportunities |
National Weather Service Mission: "The
National Weather Service (NWS) provides weather,
hydrologic, and climate forecasts and warnings for
the United States, its territories, adjacent waters
and ocean areas, for the protection of life and
property and the enhancement of the national economy.
NWS data and products form a national information
database and infrastructure which can be used by
other governmental agencies, the private sector,
the public, and the global community." |
|