FNUS76 KSGX 101502
FWSSGX

SPOT FORECAST FOR 2011 SD COUNTY WILDLAND FIRE DRILL - TUESDAY...CNTY SD
NATIONAL WEATHER SERVICE SAN DIEGO CA
800 AM PDT TUE MAY 10 2011

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

.DISCUSSION...
HIGH PRESSURE IS OVER NORTHERN NEVADA AND UTAH AND LOW PRESSURE IS OVER
SOUTHWEST ARIZONA AND SONORA MEXICO. FOR THIS OPERATIONAL
PERIOD...EXPECT THE GENERAL/RIDGE LEVEL WINDS TO BE FROM THE NORTH TO
NORTHEAST AND THE MARINE LAYER TO BE LESS THAN 500 FEET. THE MID AND
UPPER SLOPES AND RIDGES WILL REMAIN UNDER THE INFLUENCE OF A DRY AND
WARMER AIR MASS...WHILE THE LOWER ELEVATIONS NEAR THE LAKE LEVEL WILL
EXPERIENCE A WIND SHIFT TO THE WEST IN THE EARLY AFTERNOON AND AN
INCREASE IN RELATIVE HUMIDITY.

.TODAY...FRIDAY MAY 20 2011...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....73 LOWER ELEVATIONS AND 76 RIDGES.
MIN HUMIDITY........30 PERCENT LOWER ELEVATIONS...AND 15 PERCENT RIDGES.
20 FT WIND..........
   SLOPES...........NORTHEAST 5 TO 10 MPH WITH GUSTS 30 MPH THROUGH
                    MID MORNING...BECOMING UPSLOPE/SOUTHWEST 2 TO 5 MPH
                    LATE MORNING...THEN
                    NORTHWEST 10 MPH WITH GUSTS 20 MPH IN THE AFTERNOON.

   RIDGES...........NORTHEAST 5 TO 10 MPH WITH GUSTS 20 MPH.

$$
FORECASTER...ROB BALFOUR
REQUESTED BY...KEN KREMENSKY
TYPE OF REQUEST...PRESCRIBED
.TAG 20110520.2011S.01/SGX