FNUS76 KSGX 151832
FWSSGX

SPOT FORECAST FOR MCCAIN VMP - 1400 PDT JUNE 15...CDF SDU
NATIONAL WEATHER SERVICE SAN DIEGO CA
1132 AM PDT TUE JUN 15 2010

FORECAST IS BASED ON IGNITION TIME OF 1400 PDT ON JUNE 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
AN UPPER TROUGH MOVING EAST ACROSS THE AREA TODAY WILL CAUSE INCREASE
THE GENERAL WINDS FROM THE WEST. HIGH PRESSURE REBUILDING TO THE
NORTH TONIGHT WILL CAUSE THE GENERAL WINDS TO DIMINISH. ON THURSDAY
AS HIGH PRESSURE CONTINUE TO BUILD TO THE NORTH...THE GENERAL WINDS
SHOULD BECOME LIGHT EASTERLY...ALONG WITH WARMER TEMPERATURES AND LOWER
HUMIDITY. THIS WARMING AND DRYING TREND WILL BE SHORT LIVED. ANOTHER
TROUGH WILL BE APPROACHING THE AREA BY LATE FRIDAY AND MOVING ACROSS THE
AREA THIS WEEKEND.

.TODAY/WEDNESDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 82.
MIN HUMIDITY........16 PERCENT.
WIND (20 FT)..............
 MID SLOPES.........WEST 10 TO 15 MPH WITH GUSTS TO 35 MPH.
 UPR SLP/RIDGETOP...WEST 20 MPH WITH GUSTS TO 35 MPH.
LAL.................1.
MIXING HEIGHT.......INVERSION WITHIN 500 FT AGL UNTIL 0900 PDT...
                    MIXING TO 3000-4000 FT AGL FROM 1100-1500 PDT...
                    THEN...LOWERING TO 2000 FT AGL LATE IN THE AFTERNOON.
MIXING WINDS........WEST 20 MPH.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....AROUND 51.
MAX HUMIDITY........45 PERCENT.
WIND (20 FT)..............
 MID SLOPES.........WEST 10 TO 15 MPH IN THE EVENING...DIMINISHING
                    OVERNIGHT AND BECOMING EAST/DOWNSLOPE 1-3 MPH
                    EARLY THURSDAY MORNING.
 UPR SLP/RIDGETOP...SOUTHWEST 15 MPH IN THE EVENING...DIMINISHING
                    OVERNIGHT AND BECOMING EAST 5 MPH AROUND SUNRISE.
LAL.................1.
MIXING HEIGHT.......INVERSION DEVELOPING WITHIN 500 FT AGL AFTER 2000 PDT.
MIXING WINDS........WEST 10 MPH IN THE EVENING HOURS.

.THURSDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 90.
MIN HUMIDITY........10 PERCENT.
WIND (20 FT)..............
 MID SLOPES.........EAST 2 TO 5 MPH THROUGH EARLY AFTERNOON...THEN
                    WEST 10 MPH WITH GUSTS 20 MPH MID AFTERNOON
                    THROUGH THE EVENING.   .
 UPR SLP/RIDGETOP...EAST 5 MPH THROUGH EARLY AFTERNOON...BECOMING
                    WEST 10 MPH MID AFTERNOON THROUGH THE EVENING.
LAL.................1.
MIXING HEIGHT.......500 FT AGL UNTIL 0800 PDT WHEN INVERSION BREAKS...
                    THEN 3000-5000 FT AGL LATE MORNING THROUGH
                    THE AFTERNOON.
MIXING WINDS........EAST 4 MPH THROUGH EARLY AFTERNOON...BECOMING
                    SOUTHWEST 7 MPH MID TO LATE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...
MOSTLY CLEAR. LOW 49. MIN RH 40 PERCENT. HIGH 87. MIN RH 11 PERCENT.
WINDS SOUTHWEST 10 TO 20 MPH WITH GUSTS 30 MPH IN THE AFTERNOON.
.SATURDAY THROUGH SUNDAY...
MOSTLY CLEAR. LOWS AROUND 50. HIGHS AROUND 80. WINDS WEST 5 TO
15 MPH WITH GUSTS TO 30 MPH.

$$
FORECASTER...ROB BALFOUR
REQUESTED BY...JON HEGGIE FIRE CAPTAIN
TYPE OF REQUEST...PRESCRIBED
.TAG 20100615.MCCAI.01/SGX