FNUS76 KLOX 211236
FWSLOX

SPOT FORECAST FOR LOCKWOOD...USFS LPF
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
536 AM PDT TUE APR 21 2009

FORECAST IS BASED ON REQUEST TIME OF 1532 PDT ON APRIL 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...WEAK OFFSHORE FLOW OVER THE AREA WILL KEEP
UNSEASONABLY WARM AND DRY CONDITIONS IN PLACE AS A STRONG UPPER
LEVEL RIDGE OF HIGH PRESSURE GRADUALLY SLIDES EAST TODAY. RELATIVE
HUMIDITY LEVELS WILL DROP TO NEAR CRITICAL VALUES THIS AFTERNOON.
AN ONSHORE FLOW PATTERN WILL DEVELOP LATE TODAY AND TONIGHT...AND
THEN INCREASE WEDNESDAY AND THURSDAY. AS A RESULT...COOLING IS
EXPECTED WEDNESDAY AND THURSDAY...WITH AN INCREASE IN HUMIDITIES.

.TUESDAY...

SKY/WEATHER.........PARTLY CLOUDY IN THE MORNING THEN SUNNY.
MAX TEMPERATURE.....78-82 DEGREES.
MIN HUMIDITY........10-15 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......VARIABLE LESS THAN 10 MPH BECOMING EAST
                    6 TO 10 MPH.
 RIDGETOP...........EAST AROUND 10 MPH.
MIXING HEIGHT.......500 FT AGL OR LESS EARLY...INCREASING TO 8000
    FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST 10 MPH.

.TUESDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....34-38 DEGREES.
MAX HUMIDITY........65-69 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......EAST 10 MPH IN THE EVENING
                    ...BECOMING VARIABLE 6 MPH OR LESS
 RIDGETOP...........EAST 10 MPH IN THE EVENING THEN VARIABLE 6 MPH
                    OR LESS.
MIXING HEIGHT.......8000 FT AGL EARLY....DECREASING TO 500 FT AGL
    OR LESS AFTER MIDNIGHT.
TRANSPORT WINDS.....VARIABLE 6 MPH OR LESS.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....72-76 DEGREES.
MIN HUMIDITY........AROUND 20 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......VARIABLE WINDS 6 MPH OR LESS EARLY...
    BECOMING NORTHWEST TO NORTH 5 TO 10 MPH.
 RIDGETOP...........NORTHWEST WINDS 8 TO 12MPH.
MIXING HEIGHT.......500 FT AGL OR LESS IN THE MORNING...INCREASING
    TO 6000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST TO NORTH AROUND 10 MPH.

FORECASTER...TH/ASR/DB
REQUESTED BY...GARY PETERSON
TYPE OF REQUEST...WILDFIRE
.TAG 20090420.LOCKW.02/LOX

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