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FIRE WEATHER PLANNING FORECAST FOR SOUTHWESTERN CALIFORNIA
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
330 PM PST WED MAR 10 2010
DISCUSSION...BLUSTERY NORTHWEST FLOW WILL SHIFT TO NORTHEAST TONIGHT AS HIGH PRESSURE BUILDS ACROSS THE GREAT BASIN. THIS WILL SHIFT THE WINDS TO OFFSHORE AND GREATLY DECREASE HUMIDITIES ACROSS THE AREA. OFFSHORE FLOW WILL WEAKEN FRIDAY AS A WEAK COLD FRONT APPROACHES FROM THE NORTHWEST. THIS WILL REVERSE THE OFFSHORE FLOW TO ONSHORE AND ALLOW TEMPERATURES TO COOL SLIGHTLY AND HUMIDITIES INCREASE. THE COLD FRONT WILL WEAKEN AS IT TRAVERSES THE AREA, BUT THERE IS A CHANCE FOR LIGHT SHOWERS NORTH OF PT CONCEPTION FRIDAY EVENING INTO EARLY SATURDAY. BY SUNDAY, GRADIENTS WILL BE TURNING OFFSHORE ONCE AGAIN. THIS COUPLED WITH STRONG HIGH PRESSURE BUILDING OVER THE WEST COAST WILL BRING ABOUT A SIGNIFICANT WARMING TREND SUNDAY THROUGH TUESDAY ALONG WITH GUSTY NORTHEAST WINDS AND VERY LOW HUMIDITIES. CAZ241SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-SANTA YNEZ VALLEY-
330 PM PST WED MAR 10 2010
.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....32-42.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........75-100 PERCENT.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTH 20-30 MPH. GUSTS TO 40 MPH. DECREASING TO
6-12 MPH AFTER MIDNIGHT.
MARINE LAYER........NONE.
LIGHTNING ACTIVITY LEVEL.................1.
CWR (>0.10 IN)......0 PERCENT.
.THURSDAY...
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....61-68.
24 HR TREND......UP 6.
MIN HUMIDITY........35-45 PERCENT.
24 HR TREND......DOWN 10-20.
20-FOOT WINDS.......NORTHEAST 10-15 MPH BECOMING NORTHWEST 6-12 MPH
IN THE AFTERNOON. GUSTS TO 25 MPH.
MARINE LAYER........NONE.
LIGHTNING ACTIVITY LEVEL.................1.
CWR (>0.10 IN)......0 PERCENT.
.THURSDAY NIGHT...
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....37-45.
MAX HUMIDITY........80-100 PERCENT.
20-FOOT WINDS.......NORTHEAST 6-12 MPH.
LIGHTNING ACTIVITY LEVEL.................1.
CWR (>0.10 IN)......0 PERCENT.
.FRIDAY...
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF LIGHT RAIN IN THE AFTERNOON.
MAX TEMPERATURE.....60-69.
MIN HUMIDITY........60-70 PERCENT NEAR THE COAST TO 45-55 PERCENT
INLAND.
20-FOOT WINDS.......VARIABLE 3-6 MPH BECOMING WEST 6-12 MPH IN THE
AFTERNOON.
LIGHTNING ACTIVITY LEVEL.................1.
CWR (>0.10 IN)......0 PERCENT.
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