FNUS76 KSGX 201435
FWSSGX

SPOT FORECAST FOR COACHELLA...CNTY RIV
NATIONAL WEATHER SERVICE SAN DIEGO CA
735 AM PDT FRI APR 20 2012

FORECAST IS BASED ON IGNITION TIME OF 0900 PDT ON APRIL 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...HOT AND DRY THROUGH THE WEEKEND...

.DISCUSSION...
HIGH PRESSURE WILL BUILD ALOFT OVER SOUTHERN CALIFORNIA THROUGH SATURDAY
AND THEN SIGHTLY WEAKEN AND SHIFT EASTWARD ON SUNDAY. THIS WILL CREATE
THE WARMEST TEMPERATURES SO FAR THIS YEAR OVER THE COACHELLA
VALLEY.

EXPECT TEMPERATURES TODAY TO BE 5 DEGREES WARMER THAN THURSDAY...
ANOTHER 2 DEGREES WARMER SATURDAY...WITH SIMILAR TEMPERATURES ON
SUNDAY.

TEMPERATURES EACH DAY SHOULD RAPIDLY CLIMB INTO THE 90S BY MID
MORNING... BE OVER 100 DEGREES SHORTLY AFTER NOON...NOT FALL BELOW
90 DEGREES UNTIL A FEW HOURS AFTER SUNSET...AND ONLY DROP INTO THE
70S FOR A FEW HOURS JUST BEFORE SUNRISE.

A SURFACE THERMAL TROUGH WILL BE OVER THE COACHELLA VALLEY
THROUGH SATURDAY. THIS CAUSE LIGHT SURFACE AND TRANSPORT WINDS
ACROSS THE INCIDENT SITE...ALTHOUGH MIXING HEIGHTS SHOULD RISE TO
10000 FEET AGL DUE TO THE VERY WARM DAY TIME TEMPERATURES.

ON SUNDAY THE THERMAL TROUGH WILL SHIFT EAST AND BE OVER IMPERIAL
AND EASTERN RIVERSIDE COUNTIES. THIS WILL CREATE WEST TO NORTHWEST
SURFACE AND TRANSPORT WINDS SUNDAY AFTERNOON AND EVENING.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 103...UP 5 DEGREES.
MIN HUMIDITY........10 PERCENT.
EYE LEVEL WIND......SOUTH TO SOUTHEAST 1 TO 3 MPH.
CHC WETTING RAIN....0 PERCENT.
LAL.................1.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....AROUND 73.
MAX HUMIDITY........25 PERCENT.
WIND................SOUTHEAST 1 TO 3 MPH BECOMING WEST AFTER
                    MIDNIGHT.
CHC WETTING RAIN....0 PERCENT.
LAL.................1.

.SATURDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 105...UP 2 DEGREES.
MIN HUMIDITY........8 PERCENT.
WIND................SOUTHEAST 1 TO 3 MPH.
CHC WETTING RAIN....0 PERCENT.
LAL.................1.

.SATURDAY NIGHT.....

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....AROUND 75...UP 2.
MAX HUMIDITY........25 PERCENT.
WIND................SOUTHEAST 1 TO 3 MPH BECOMING WEST AFTER
                    MIDNIGHT.
CHC WETTING RAIN....0 PERCENT.
LAL.................1.

.SUNDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 105...NO CHANGE.
MIN HUMIDITY........7 PERCENT.
WIND................SOUTHEAST 2 TO 5 MPH.
CHC WETTING RAIN....0 PERCENT.
LAL.................1.


.SUNDAY NIGHT...
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....AROUND 75...UP 2.
MAX HUMIDITY........25 PERCENT.
WIND................NORTHWEST 4 MPH WITH GUSTS 10 MPH.
CHC WETTING RAIN....0 PERCENT.
LAL.................1.

.MONDAY...
SKY/WEATHER.........PARTLY CLOUDY.
MAX TEMPERATURE.....AROUND 100...DOWN 5.
MIN HUMIDITY........13 PERCENT...UP 6.
WIND................SOUTHEAST 2 TO 5 MPH.
CHC WETTING RAIN....0 PERCENT.
LAL.................1.


$$
FORECASTER...ROB BALFOUR
REQUESTED BY...CHAD MOXLEY
TYPE OF REQUEST...PRESCRIBED
.TAG 20120420.COACH.01/SGX