FNUS76 KSGX 140937
FWSSGX

SPOT FORECAST FOR SO MAIN...CNF TRAB
NATIONAL WEATHER SERVICE SAN DIEGO CA
237 AM PDT THU APR 14 2011

FORECAST IS BASED ON IGNITION TIME OF 1000 PDT ON APRIL 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...WARMER AND DRIER THROUGH SATURDAY...
...COOLER SUNDAY AND MONDAY WITH A MOISTENING TREND...

.DISCUSSION...
HIGH PRESSURE OVER NORTHERN CALIFORNIA AND NEVADA...AND LOW PRESSURE
OVER THE GULF OF CALIFORNIA WILL CREATE GENERAL WINDS FROM THE
NORTH TODAY AND TONIGHT. FOR FRIDAY AND SATURDAY A THERMAL TROUGH
WILL DEVELOP OVER SOUTHEAST CALIFORNIA. THIS WILL SHIFT THE
GENERAL WIND DIRECTION TO THE WEST. WATCH FOR A WIND SHIFT IN THE
AFTERNOON...ESPECIALLY ON SATURDAY. TEMPERATURES SHOULD WARM
AROUND 10 DEGREES TODAY AND AGAIN FRIDAY...THEN WARM A FEW MORE
DEGREES ON SATURDAY.

FOR SUNDAY AND MONDAY...A COLD FRONT MOVING SOUTHEAST THROUGH NORTHERN
AND CENTRAL CALIFORNIA SHOULD CAUSE THE MARINE LAYER TO DEEPEN
ABOVE THE BURN SITE AND DROP TEMPERATURES 15 TO 20 DEGREES.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 72...UP 11.
MIN HUMIDITY........20 PERCENT....DOWN 40
EYE LEVEL WIND......
   SLOPES...........UPSLOPE/NORTHEAST 4 MPH WITH GUSTS 10 MPH.
   RIDGETOP.........NORTH 10 TO 15 MPH.
CHC WETTING RAIN....0 PERCENT.
LAL.................1.
MIXING HEIGHT.......3500-4500 FT AGL.
MIXING WINDS........NORTH 10 MPH.

TIME (PDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........21  23  23  23  23  23  23  17
WEATHER COV.....
WEATHER TYPE....
TEMP............57  62  65  68  70  71  72  71
RH..............36  31  29  27  25  23  23  27
EYE LEVEL WIND
      WIND DIR..NE  NE  NE  NE  NE  NE  NE  NE
      WIND SPD..4   4   4   4   4   4   4   2
      WIND GUST.10  10  10  10  10  10  10  10

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....AROUND 49.
MAX HUMIDITY........60 PERCENT.
EYE LEVEL WIND......
   SLOPES...........NORTHWEST 1 TO 3 MPH.
   RIDGETOP.........NORTH 15 MPH IN THE EVENING...DIMINISHING TO
                    NORTH 10 MPH OVERNIGHT.
CHC WETTING RAIN....0 PERCENT.
LAL.................1.
MIXING HEIGHT.......STRONG INVERSION WITHIN 500 FT AGL BY 2000 PDT.
MIXING WINDS........NORTH 7 MPH.

.FRIDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 81...UP 9.
MIN HUMIDITY........15 PERCENT...DOWN 5.
EYE LEVEL WIND......
   SLOPES...........USPLOPE/NORTHEAST 4 MPH IN THE MORNING...BECOMING
                    VARIABLE 2-5 MPH IN THE AFTERNOON.
   RIDGETOP.........NORTH 10 MPH IN THE MORNING...BECOMING
                    NORTHWEST 10 MPH IN THE AFTERNOON.
CHC WETTING RAIN....0 PERCENT.
LAL.................1.
MIXING HEIGHT.......500 FT AGL UNTIL 0900 PDT...THEN MIXING TO
                    4000 FT AGL AFTER 1000 PDT.
MIXING WINDS........NORTH 5 MPH IN THE MORNING...BECOMING
                    NORTHWEST 5 TO 10 MPH IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY NIGHT AND SATURDAY...
MOSTLY CLEAR. LOWS AROUND 54. HIGHS AROUND 82. EYE LEVEL WINDS
UPSLOPE 2 TO 5 MPH UNTIL EARLY AFTERNOON...THEN WEST/DOWNSLOPE 10
MPH WITH GUSTS 20 MPH IN THE AFTERNOON. MINIMUM RELATIVE HUMIDITY
20 PERCENT.

.SATURDAY NIGHT AND SUNDAY...
INCREASING CLOUDS. LOWS AROUND 54. HIGHS AROUND 75. WINDS SOUTHWEST
10 MPH WITH GUSTS 15 MPH. MINIMUM RELATIVE HUMIDITY 35 PERCENT.

.SUNDAY NIGHT AND MONDAY...
MOSTLY CLOUDY. PATCHY FOG AND DRIZZLE. LOWS AROUND 48. HIGHS
AROUND 65. EYE LEVEL WINDS SOUTH TO SOUTHWEST 10 MPH. MINIMUM
RELATIVE HUMIDITY 60 PERCENT.

$$
FORECASTER...ROB BALFOUR
REQUESTED BY...JACOB GIPSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20110414.SOMAI.01/SGX