FNUS76 KSGX 110218
FWSSGX

SPOT FORECAST FOR CHIHUAHUA FIRE...CDF SDU
NATIONAL WEATHER SERVICE SAN DIEGO CA
718 PM PDT FRI AUG 10 2012

FORECAST IS BASED ON IGNITION TIME OF 1815 PDT ON AUGUST 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
THE LAST SURGE OF MONSOON MOISTURE WILL BE MOVING ACROSS THE INCIDENT
TODAY. THE AIR MASS REMAINS MOIST AND UNSTABLE ABOVE 10000 FEET MSL
BUT STILL RELATIVELY DRY OVER THE INCIDENT ELEVATIONS. MORNING CLOUDS
ARE EXPECTED TO DELAY THE ONSET OF THUNDERSTORMS NEAR OR OVER THE
THE INCIDENT UNTIL AFTER 1300 PDT WITH THE THREAT ENDING BY 1800 PDT.
THE HIGH PRESSURE RIDGE WILL STRENGTHEN OVER THE INCIDENT TONIGHT AND
SUNDAY...THEN WEAKEN SLIGHTLY MONDAY THROUGH WEDNESDAY.


.TODAYS OPERATIONAL PERIOD...0700 PDT SATURDAY TO 0700 PDT SUNDAY...

SKY/WEATHER.........CLOUDY MORNING WITH CHANCE OF LIGHT RAIN SHOWERS.
                    PARTLY CLOUDY AFTERNOON WITH CHANCE OF THUNDERSTORMS...
                    CLEARING AFTER 2000 PDT.

TEMPERATURES........HIGH AROUND 91... LOW AROUND 71.
HUMIDITY............MIN 25 PERCENT... MAX 55 PERCENT.

WIND................
   SLOPES...........TILL 1000 PDT...DOWNSLOPE/EAST 2 MPH GUSTS 5 MPH
                    1000-1300 PDT...UPSLOPE/SOUTH 3-5 MPH GUSTS 8 MPH
                    1300-1900 PDT...UP VALLEY/SOUTHWEST 5-10 MPH GUSTS 15 MPH.
                    1900-0700 PDT...DOWNSLOPE/NORTH 2 MPH WITH GUSTS 5 MPH.

   RIDGETOP.........TILL 0800 PDT...NORTHEAST 3 MPH
                    0800-1300 PDT...SOUTH TO SOUTHEAST 6 MPH
                    1300-1900 PDT...SOUTHWEST 5 MPH
                    1900-0700 PDT...NORTHWEST 7 TO 10 MPH.

CHC WETTING RAIN....20 PERCENT.
RAINFALL AMOUNTS....0.07 INCHES VALLEYS TO 0.67 INCHES HIGHER MOUNTAINS.
LAL.................2.

MIXING HEIGHT.......TILL 0830 PDT...WEAK INVERSION WITHIN 250 FT AGL
                    0830-1200 PDT...LIFTING TO 8500 FT AGL
                    1200-1700 PDT...11000 FT AGL
                    1700-2000 PDT...LOWERING TO 4000 FT
                    2000-0700 PDT...WEAK INVERSION WITHIN 250 FT AGL

MIXING WINDS........TILL 1200 PDT...SOUTHEAST 3-7 MPH
                    1200-1700 PDT...SOUTHWEST 5 MPH
                    1700-2000 PDT...NORTHWEST 3-5 MPH
                    2000-0700 PDT...NORTHWEST 7 MPH.


OUTLOOK FOR NEXT OPERATIONAL PERIOD...0700 PDT SUNDAY-0700 PDT MONDAY...

MOSTLY SUNNY/CLEAR. SLIGHT CHANCE OF AFTERNOON THUNDERSTORMS. HIGH 90.
LOWS 68. MIN RH 20 PERCENT. MAX RH 60 PERCENT. WINDS MOSTLY UPSLOPE 3 TO 8
MPH...EXCEPT WEST 10 MPH WITH GUSTS 20 MPH MID AFTERNOON THROUGH LATE EVENING.
LIGHT DOWNSLOPE WINDS OVERNIGHT.

$$
FORECASTER...ROB BALFOUR
REQUESTED BY...FBAN CHRIS WATERS
TYPE OF REQUEST...PRESCRIBED
.TAG 20120810.CHIHU.03/SGX