FNUS76 KSGX 041109
FWSSGX

SPOT FORECAST FOR SO MAIN...CNF TRAB
NATIONAL WEATHER SERVICE SAN DIEGO CA
309 AM PST FRI MAR 4 2011

FORECAST IS BASED ON IGNITION TIME OF 0600 PST ON MARCH 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...WARMER AND DRIER THROUGH SATURDAY...
...COOLER AND WETTER SUNDAY AND MONDAY...
...DRYING AGAIN NEXT TUESDAY...

.DISCUSSION...
DRY AND MILD TODAY THROUGH SATURDAY MORNING WITH WEAK OFFSHORE FLOW
AS SURFACE HIGH PRESSURE BUILDS OVER THE GREAT BASIN. HIGH PRESSURE
RIDGE BREAKING DOWN SATURDAY AFTERNOON. WATCH OUT FOR A WIND SHIFT
TO THE WEST BY MID AFTERNOON SATURDAY. SLIGHT COOLING AND MOISTENING
TREND SUNDAY AS ONSHORE FLOW INCREASES. COOLER AND WETTER
MONDAY WITH A CHANCE OF WETTING RAIN AS A COLD FRONT MOVES ACROSS
THE AREA. HIGH PRESSURE REBUILDS TUESDAY FOLLOWED BY RETURN OF DRY
OFFSHORE FLOW AND WARMER TEMPERATURES NEXT WEDNESDAY AND THURSDAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY...A FEW HIGH CLOUDS.
MAX TEMPERATURE.....AROUND 69.
MIN HUMIDITY........15 PERCENT.
EYE LEVEL WINDS......
   SLOPES...........NORTHEAST TO EAST 2 TO 6 MPH WITH GUSTS 10 TO
                    15 MPH FROM MID MORNING THROUGH EARLY AFTERNOON.
   RIDGETOP.........NORTHEAST 15 MPH WITH GUSTS 20 MPH THROUGH LATE
                    MORNING...THEN EAST 10 MPH.
CHC WETTING RAIN....0 PERCENT.
LAL.................1.
MIXING HEIGHT.......STRONG INVERSION WITHIN 500 FT AGL UNTIL 0830 PST...
                    THEN MIXING TO 4500 FT AGL BY NOON.
MIXING WINDS........NORTHEAST 5 TO 10 MPH.

TIME (PST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........21  21  21  21  30  30  30  30  30  30  29  29
WEATHER COV.....
WEATHER TYPE....
TEMP............46  50  57  63  64  66  69  68  68  68  69  67
RH..............71  55  42  22  21  20  17  19  25  25  22  24
EYE LEVEL WINDS
    DIRECTION...NE  NE  NE  E   E   E   E   E   E   E   E   E
    SPEED.......2   4   5   5   6   6   6   5   4   4   3   2
    GUSTS.......6   8   10  10  12  13  13  10  8   7   6   6

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........60 PERCENT.
EYE LEVEL WIND......
   SLOPES...........NORTHEAST 2 TO 5 MPH.
   RIDGETOP.........NORTHEAST 5 TO 10 MPH.
CHC WETTING RAIN....0 PERCENT.
LAL.................1.
MIXING HEIGHT.......STRONG INVERSION DEVELOPING AFTER 1900 PST
                    WITHIN 500 FT AGL.
MIXING WINDS........NORTHEAST 5 MPH.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........10 PERCENT.
EYE LEVEL WIND......
   SLOPES...........EAST 3 MPH BECOMING NORTHWEST 6 MPH IN THE
                    AFTERNOON.
   RIDGETOP.........EAST 1 TO 3 MPH IN THE MORNING BECOMING
                    WEST 5 MPH IN THE AFTERNOON.
CHC WETTING RAIN....5 PERCENT.
LAL.................1.
MIXING HEIGHT.......INVERSION WITHIN 500 FT AGL UNTIL 0900 PST...THEN
                    MIXING TO 4500 FT AGL BY NOON.
MIXING WINDS........NORTHEAST 2 MPH IN THE MORNING AND NORTHWEST 5 MPH
                    IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY...
PARTLY CLOUDY. LOW 52. HIGH 64. EYE LEVEL WINDS WEST 5 MPH.
MAX RH 60 PERCENT. MIN RH 35 PERCENT.
.MONDAY...
COOLER. CLOUDY WITH A 30 PERCENT CHANCE OF WETTING RAIN. RAINFALL
AMOUNTS NEAR 0.20 INCHES. LOW 44. HIGH 50. MAX RH 100 PERCENT.
MIN RH 60 PERCENT. EYE LEVEL SLOPE WINDS WEST 5 TO 10 MPH.
RIDGETOP WINDS WEST 15 MPH GUSTING TO 30 MPH.
.TUESDAY...
PARTLY CLOUDY. LOW 39. HIGH 57. EYE LEVEL WINDS NORTH TO NORTHWEST
10 MPH. MAX RH 65 PERCENT. MIN RH 25 PERCENT.

$$
FORECASTER...ROB BALFOUR
REQUESTED BY...JOHN LAMB
TYPE OF REQUEST...PRESCRIBED
.TAG 20110304.SOMAI.01/SGX