FNUS76 KLOX 210253
FWSLOX

SPOT FORECAST FOR RANCHO10...LAC
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
755 PM PDT THU MAY 20 2010

FORECAST IS BASED ON IGNITION TIME OF 0900 PDT ON MAY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A BROAD UPPER LEVEL TROUGH WILL EXPAND INTO SOUTHERN
CALIFORNIA FROM THE NORTH TODAY THROUGH TONIGHT. DRY AND SLIGHTLY
COOLER CONDITIONS CAN BE EXPECTED OVER THE AREA...WITH LOW
HUMIDITIES THIS AFTERNOON AND MODERATE RECOVERY TONIGHT. LIGHT
NORTHERLY EYE LEVEL WINDS THIS MORNING WILL TURN SOUTHWEST THIS
AFTERNOON UP TO 12 MPH...THEN BECOME NORTHERLY AGAIN AND INCREASE
TONIGHT...WITH SOME GUSTS UP TO 30 MPH POSSIBLE OVER THE RIDGETOPS.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........20-23 PERCENT.
WIND (EYE LEVEL)........
 LWR SLP/VALLEY.....NORTH 2-4 MPH IN THE MORNING...BECOMING
                    SOUTHWEST 6-12 MPH IN THE AFTERNOON.
 UPR SLP/RIDGETOP...NORTHWEST 5-10 MPH IN THE MORNING...BECOMING
                    SOUTHWEST 10-15 MPH IN THE AFTERNOON.
MIXING HEIGHT.......LESS THAN 1000 FT EARLY...INCREASING TO 5000 TO
                    5500 FEET BY AFTERNOON.
TRANSPORT WINDS.....NORTH 5-10 MPH EARLY...BECOMING WEST TO
                    SOUTHWEST 10-15 MPH BY AFTERNOON.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....AROUND 48.
MAX HUMIDITY........60-63 PERCENT.
WIND (EYE LEVEL)........
 LWR SLP/VALLEY.....SOUTHWEST 6-12 MPH EARLY...BECOMING NORTH
                    10-20 MPH BY LATE EVENING.
 UPR SLP/RIDGETOP...SOUTHWEST 10-15 MPH EARLY...BECOMING NORTH 15-25
                    MPH WITH OCCASIONAL GUSTS TO 30 MPH BY LATE
                    EVENING.
MIXING HEIGHT.......FALLING TO LESS THAN 1000 FT AGL IN THE EVENING.
TRANSPORT WINDS.....WEST 10-15 MPH EARLY...BECOMING NORTH 15-25 MPH
                    BY LATE EVENING.

$$

FORECASTER...SIRARD
REQUESTED BY...DREW SMITH
TYPE OF REQUEST...PRESCRIBED
.TAG 20100521.RANCH.01/LOX