FNUS76 KSGX 120837
FWSSGX

SPOT FORECAST FOR AIRFIELD BURN...CNTY SD
NATIONAL WEATHER SERVICE SAN DIEGO CA
137 AM PDT WED SEP 12 2012

FORECAST IS BASED ON IGNITION TIME OF 1000 PDT ON SEPTEMBER 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE BUILDING ALOFT WILL CAUSE INCREASING SUBSIDENCE AND LOWER
THE MARINE LAYER DEPTH FROM NEAR 4000 FEET THIS MORNING TO AROUND
2500 FEET THIS AFTERNOON. STRATUS CLOUDS EXPECTED TO BEGIN
BREAKING UP AFTER 1100 PDT WITH PARTIAL CLEARING BY 1300 PDT.
HUMIDITY WILL STAY ABOVE 55 PERCENT THROUGH THE AFTERNOON SO FINE
FUEL MOISTURE MAY BE TOO HIGH TO CARRY FIRE. FOR THURSDAY...EARLY
CLEARING OF CLOUDS...TEMPS ABOUT 6 DEGREES WARMER AND HUMIDITY 10
PERCENT LOWER SHOULD YIELD BETTER BURNING CONDITIONS.

LOOKING FURTHER AHEAD...FOR THURSDAY NIGHT/FRIDAY MORNING...THE
STRATUS IS NOT EXPECTED TO MOVE OVER THE BURN SITE AND THE GENERAL
WINDS WILL BE FROM THE NORTHEAST..WHICH WILL BE ALIGNED WITH SAN
CLEMENTE CANYON...SO LOOK FOR EAST TO NORTHEAST WINDS GUSTING 10
TO 15 MPH DURING THE EARLY TO LATE MORNING HOURS FRIDAY...WITH
SUNNY SKIES...TEMPS UP ANOTHER 5 DEGREES AND HUMIDITY DOWN
ANOTHER 10 PERCENT.

.TODAY...

SKY/WEATHER.........CLOUDY MORNING WITH DRIZZLE...BECOMING
                    PARTLY CLOUDY BY NOON.
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........55 PERCENT.
WIND................
   SLOPES...........LIGHT WINDS BECOMING NORTHWEST 10 MPH AND GUSTY
                    EARLY IN THE MORNING.
CHC WETTING RAIN....5 PERCENT.

TIME (PDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........100 100 100 100 95  80  50  30  30  30  30  60
WEATHER COV.....PTY PTY PTY PTY
WEATHER TYPE....DZL DZL DZL DZL
TEMP............69  69  71  74  77  78  80  81  80  80  80  78
RH..............96  95  90  77  70  65  59  57  58  56  57  60
20 FT WIND DIR..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT WIND SPD..0   0   4   4   4   4   4   4   8   8   8   8
20 FT WIND GUST.        5   5   5   10  10  10  20  20  20  20

.TONIGHT...

SKY/WEATHER.........CLOUDY. PATCHY FOG OVERNIGHT.
MIN TEMPERATURE.....AROUND 68.
MAX HUMIDITY........100 PERCENT.
WIND................
   SLOPES...........WINDS NORTHWEST 5 TO 10 MPH. GUSTS TO 20 MPH EARLY
                    IN THE EVENING.
CHC WETTING RAIN....0 PERCENT.

.THURSDAY...

SKY/WEATHER.........CLOUDY MORNING WITH PATCHY FOG...BECOMING
                    MOSTLY SUNNY BY NOON.
MAX TEMPERATURE.....AROUND 87.
MIN HUMIDITY........45 PERCENT.
WIND................
   SLOPES...........WINDS NORTH TO NORTHWEST 5 MPH. GUSTS TO 10 MPH
                    IN THE AFTERNOON.
CHC WETTING RAIN....0 PERCENT.

$$
FORECASTER...ROB BALFOUR
REQUESTED BY...DANIEL GONZALEZ
TYPE OF REQUEST...PRESCRIBED
.TAG 20120915.AIRFI.01/SGX