FNUS76 KSGX 171617
FWSSGX

SPOT FORECAST FOR SD COUNTY WILDLAND FIRE DRILL - APRIL 28...CNTY SD
NATIONAL WEATHER SERVICE SAN DIEGO CA
910 AM PDT SAT APR 17 2010

FORECAST IS BASED ON IGNITION TIME OF 0700 PDT ON APRIL 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...FOR WEDNESDAY APRIL 28 2010
HIGH PRESSURE BUILDING OVER THE AREA TODAY. LINGERING MARINE AIR IN
THE VALLEY THIS MORNING MAY GENERATE DENSE FOG UNTIL THE INVERSION
BREAKS. A STRONG UPPER LEVEL TROUGH IS FORECAST TO MOVE ACROSS THE
AREA LATE THURSDAY.

TODAY...WEDNESDAY APRIL 28
SKY/WEATHER.........MORNING FOG IN THE VALLEY WITH VISIBILITY BELOW
                    1 MILE UNTIL 0900 PDT...OTHERWISE SUNNY.
MAX TEMPERATURE.....74 VALLEYS TO 70 RIDGE TOPS.
MIN HUMIDITY........30 VALLEYS AND 15 PERCENT RIDGE TOPS.
WIND................
 MID SLOPES.........UPSLOPE 4 TO 8 MPH BECOMING WEST 10 MPH
                    IN THE LATE AFTERNOON WITH GUSTS 20 MPH.
 UPR SLP/RIDGETOP...EAST 3-5 MPH BECOMING SOUTH IN THE AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......MODERATE INVERSION NEAR 2500 FT MSL TILL 0900 PDT
                    THEN MIXING TO 5500 FEET MSL.
MIXING WINDS........SOUTHEAST 3 MPH.

.OUTLOOK FOR THE REMAINDER OF THE DRILL...

.THURSDAY APRIL 29...STRONG UPPER LEVEL TROUGH MOVING ACROSS AREA.
INCREASING CLOUDS. HIGH AROUND 66. MIN RH NEAR 50 PERCENT.
WINDS WEST TO SOUTHWEST 15 MPH WITH GUSTS 30 MPH.

$$
FORECASTER...ROB BALFOUR
REQUESTED BY...MIKE MURPHY
TYPE OF REQUEST...PRESCRIBED
.TAG 20100428.SDCOU.01/SGX