FNUS76 KSGX 121221
FWSSGX

SPOT FORECAST FOR EAST GRADE...CNF DESC
NATIONAL WEATHER SERVICE SAN DIEGO CA
421 AM PST TUE JAN 12 2010

FORECAST IS BASED ON IGNITION TIME OF 1000 PST ON JANUARY 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...THE HIGH PRESSURE RIDGE ALOFT HAS PUSHED EAST OF THE
AREA AND IS WEAKENING. A TROUGH WILL MOVE ACROSS CENTRAL CALIFORNIA
TODAY AND REACH SOUTHERN CALIFORNIA BY WEDNESDAY MORNING. EXPECT
WINDS TO SHIFT TO THE SOUTHWEST THIS AFTERNOON AND INCREASE
THROUGH THE EVENING. A WEAK COLD FRONT WILL MOVE ACROSS THE BURN
AREA WEDNESDAY AND WEDNESDAY NIGHT FOR A CHANCE OF LIGHT WETTING
RAINS. LINGERING MOISTURE AND COOLER TEMPERATURES THURSDAY WILL
KEEP THE RELATIVE HUMIDITY FAIRLY HIGH. STRONG DRYING TREND
THURSDAY EVENING INTO FRIDAY WITH A RETURN OF OFFSHORE WIND
PATTERN AS HIGH PRESSURE REBUILDS TO THE NORTH. AN UPPER LEVEL
TROUGH MOVING ONSHORE THIS WEEKEND WILL REPLACE THE HIGH AND BRING
INCREASING CLOUDS AND COOLING. THIS WILL BE FOLLOWED BY A VERY WET
AND STORMY PATTERN NEXT WEEK.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY.
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........25 PERCENT.
WIND................
 MID SLOPES.........UPSLOPE/SOUTHEAST 2 TO 4 MPH IN THE MORNING...BECOMING
                    SOUTHWEST 4 TO 8 MPH IN THE AFTERNOON.
 UPR SLP/RIDGETOP...SOUTHEAST 5 MPH IN THE MORNING...BECOMING
                    SOUTHWEST 10 MPH WITH GUSTS 15 MPH IN THE AFTERNOON.
CWR.................5 PERCENT.
LAL.................1.
MIXING HEIGHT.......500 FT AGL...BECOMING 3500-4000 FT AGL IN THE
                    LATE MORNING AND EARLY AFTERNOON.
MIXING WINDS........SOUTH 7 MPH.

.TONIGHT...

SKY/WEATHER.........BECOMING CLOUDY.
MIN TEMPERATURE.....AROUND 43.
MAX HUMIDITY........75 PERCENT.
WIND................
 MID SLOPES.........SOUTHWEST 5 MPH WITH OCCASIONAL GUSTS 15 MPH.
 UPR SLP/RIDGETOP...SOUTHWEST 15 MPH.
CWR.................5 PERCENT.
LAL.................1.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........SOUTHWEST 10 MPH.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY WITH CHANCE OF RAIN.
                    RAINFALL AMOUNTS 0.10 TO 0.15 INCHES.
MAX TEMPERATURE.....AROUND 54.
MIN HUMIDITY........65 PERCENT.
WIND................
 MID SLOPES.........WEST 8 TO 12 MPH WITH GUSTS TO 25 MPH IN THE AFTERNOON.
 UPR SLP/RIDGETOP...WEST 20 MPH WITH GUSTS TO 35 MPH.
CWR.................40 PERCENT.
LAL.................1.
MIXING HEIGHT.......500-2000 FT AGL.
MIXING WINDS........WEST 15 MPH.

.FORECAST DAYS 3 THROUGH 5...

.WEDNESDAY NIGHT...
CLOUDY EVENING WITH A 30 PERCENT CHANCE OF WETTING RAIN AND ADDITIONAL
RAINFALL AMOUNTS OF 0.08 INCHES. BECOMING PARTLY CLOUDY OVERNIGHT.
LOWS 38. MAXIMUM RELATIVE HUMIDITY 100 PERCENT. WIND WEST 15 MPH WITH
GUSTS 25 MPH...SHIFTING TO NORTHWEST AFTER MIDNIGHT.
.THURSDAY...
PARTLY CLOUDY. HIGHS AROUND 56. MINIMUM RELATIVE HUMIDITY 30 PERCENT.
WINDS NORTH 5 TO 15 MPH WITH GUSTS TO 25 MPH.
.FRIDAY...
MOSTLY CLEAR. LOWS AROUND 42. MAXIMUM RELATIVE HUMIDITY 25 PERCENT.
HIGHS AROUND 63. MINIMUM RELATIVE HUMID TY 13 PERCENT. WINDS NORTHEAST 5 TO
15 MPH AND GUSTY.
.SATURDAY...
PARTLY CLOUDY. LOWS AROUND 41. HIGHS AROUND 60. WINDS SOUTHWEST
5 MPH. RELATIVE HUMIDITY 15 TO 25 PERCENT.

$$
FORECASTER...ROB BALFOUR
REQUESTED BY...BC32 TALBOT HAYES
TYPE OF REQUEST...PRESCRIBED
.TAG 20100112.EASTG.01/SGX