FNUS76 KSGX 162109
FWSSGX

SPOT FORECAST FOR S390 FIELD EXERCISE 5 - HOT AND DRY UNDER HIGH PRESSURE...CNTY ORNG
NATIONAL WEATHER SERVICE SAN DIEGO CA
109 PM PST WED FEB 16 2011

FORECAST IS BASED ON A HYPOTHETICAL WEATHER SCENARIO. IT DOES NOT
REPRESENT ACTUAL CONDITIONS. IT IS ONLY TO BE USED FOR THE S390
FIELD EXERCISE BEING HOSTED BY ORANGE COUNTY FIRE AUTHORITY.

CONTACT DONAL BOURSIER FC ORC FS15-8 FOR FURTHER INFORMATION.

.DISCUSSION...TEST...TEST...TEST...
STRONG HIGH PRESSURE RIDGE WILL CONTINUE OVER CALIFORNIA THROUGH TOMORROW
LITTLE CHANGE IN THESE HOT DRY CONDITIONS IS EXPECTED. GENERAL
WINDS CONTINUE LESS THAN 10 MPH. PREVAILING WIND DIRECTION WILL
BE DETERMINED BY LOCAL DIURNAL WINDS. WATCH FOR SHADING OF SLOPES
FOR WIND REVERSALS.

.TODAY FOR S390 FIELD EXERCISE...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 95.
MIN HUMIDITY........15 PERCENT.
WIND................
   SLOPES...........UPSLOPE 3 TO 8 MPH IN THE MORNING...
                    BECOMING SOUTHWEST DURING THE AFTERNOON
                    WITH GUSTS 20 MPH UP CANYON.
   RIDGETOP.........VARIABLE LESS THAN 5 MPH
MIXING HEIGHT.......10000 FT AGL.
MIXING WINDS........NORTHEAST LESS THAN 5 MPH IN THE MORNING
                    WEST 5 MPH IN THE AFTERNOON.

.TONIGHT FOR S390 FIELD EXERCISE...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....LOW 57.
MAX HUMIDITY........50 PERCENT.
WIND................
   SLOPES...........WEST 10 MPH WITH GUSTS 30 MPH UNTIL 1900 PST...
                    THEN DOWNSLOPE/DOWN CANYON 3 TO 6 MPH.
   RIDGETOP.........SOUTHWEST 20 MPH WITH GUSTS 30 MPH.
MIXING HEIGHT.......4000 FT AGL LOWERING TO 1000 FT AGL AFTER 2000 PST.
MIXING WINDS........SOUTHWEST 20 MPH.

.TOMORROW FOR S390 FIELD EXERCISE...

SKY/WEATHER.........
MAX TEMPERATURE.....AROUND 95.
MIN HUMIDITY........15 PERCENT.
WIND................
   SLOPES...........UPSLOPE 3 TO 8 MPH IN THE MORNING...
                    BECOMING SOUTHWEST DURING THE AFTERNOON
                    WITH GUSTS 20 MPH UP CANYON.
   RIDGETOP.........VARIABLE LESS THAN 5 MPH
MIXING HEIGHT.......10000 FT AGL.
MIXING WINDS........NORTHEAST LESS THAN 5 MPH IN THE MORNING
                    WEST 5 MPH IN THE AFTERNOON.

TEST...TEST...TEST

$$
FORECASTER...ROB BALFOUR
REQUESTED BY...DONAL BOURSEIR
TYPE OF REQUEST...TEST
.TAG 20110218.S390F.05/SGX