FNUS76 KLOX 090021
FWSLOX

SPOT FORECAST FOR RANCHO 4...LAC
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
521 PM PDT TUE MAY 8 2012

FORECAST IS BASED ON IGNITION TIME OF 1000 PDT ON MAY 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...NORTHEAST WINDS WILL BE LIGHTER COMPARED TO TUESDAY AS
UPPER LOW OVER BAJA WILL CONTINUE TO PUSH SOUTH. A RIDGE WILL
BUILD IN BEHIND THE EXITING LOW HELPING TO WARM THE ATMOSPHERE A
BIT. HOWEVER...OFFSHORE FLOW WILL BECOME MUCH WEAKER ON WEDNESDAY
AS THE USUAL DOWN-VALLEY WINDS WILL OCCUR EARLY MORNING HOURS. BY
THE AFTERNOON...SOUTHWEST ONSHORE FLOW WILL INCREASE THROUGHOUT
THE SANTA CLARITA AREA. EXPECT WIND GUSTS AT 20 FEET AROUND 30 MPH
IN THE AFTERNOON. RELATIVE HUMIDITY LEVELS WILL REMAIN RELATIVELY
LOW TO AROUND 20 PERCENT ON WEDNESDAY.

.WEDNESDAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........85-87 AT IGNITION...MAX 92-95.
RH..................10-15 PERCENT AT IGNITION...MIN 7-10 PERCENT.
WIND (EYE LEVEL)
 SLOPE/VALLEY.......WINDS VARIABLE 2 TO 4 MPH...BECOMING SOUTHWEST
                    4 TO 8 MPH WITH GUSTS TO 15 MPH AFTER 1900 HOURS.
 RIDGETOP...........NORTH WINDS 3 TO 6 MPH EARLY...THEN SOUTHWEST TO
                    WEST 6 TO 12 MPH WITH GUSTS TO 17 MPH BY MID
                    AFTERNOON.
MIXING HEIGHT.......500 FT AGL AT IGNITION...INCREASING TO 13000 FT
                    AGL LATE IN THE AFTERNOON.
TRANSPORT WINDS.....NORTH 3 TO 6 MPH SHIFTING TO THE WEST AROUND 9
                    MPH LATE IN THE AFTERNOON.

.WEDNESDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
TEMPERATURE.........MIN 56.
RH..................MAX 50-60 PERCENT.
WIND (EYE LEVEL)
 SLOPE/VALLEY.......WINDS VARIABLE 2 TO 4 MPH...BECOMING SOUTHWEST
                    4 TO 8 MPH WITH GUSTS TO 15 MPH AFTER 1900 HOURS.
 RIDGETOP...........NORTH WINDS 3 TO 6 MPH EARLY...THEN SOUTHWEST TO
                    WEST 6 TO 12 MPH WITH GUSTS TO 17 MPH BY MID
                    AFTERNOON.
MIXING HEIGHT.......1700 FT AGL IN THE EVENING...LOWERING TO 500 FT
                    AGL OVERNIGHT.
TRANSPORT WINDS.....WEST AROUND 9 MPH SHIFTING TO THE NORTHWEST 7
                    TO 10 MPH LATE IN THE EVENING.
EYE LEVEL WINDS.....SOUTHWEST WINDS AROUND 4 TO 7 MPH WITH LOCAL GUSTS
                    TO 14 MPH UNTIL 1800 HOURS...THEN DIMINISHING TO
                    3 TO 6 MPH UNTIL 2000 HOURS...THEN WINDS LIGHT
                    OVERNIGHT.
TRANSPORT WINDS.....SOUTHWEST WINDS 3 TO 6 MPH BECOMING VARIABLE
                    2 TO 4 MPH OVERNIGHT.

$$
FORECASTER...KAPLAN
REQUESTED BY...R GILSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20120509.RANCH.01/LOX