FNUS76 KSGX 202317 FWSSGX SPOT FORECAST FOR BDU FPE 2009...UNLISTED NATIONAL WEATHER SERVICE SAN DIEGO CA 417 PM PDT WED MAY 20 2009 FORECAST IS BASED ON IGNITION TIME OF 1030 PDT ON MAY 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A WEAK UPPER LEVEL LOW PRESSURE SYSTEM WILL MOVE SLOWLY NORTHEAST ACROSS SOUTHERN CALIFORNIA AND NORTHERN BAJA THURSDAY. THE WEATHER ON THURSDAY WILL BE SIMILAR TO TODAY WITH HIGHS IN THE 70S AND MINIMUM RELATIVE HUMIDITY VALUES OF 15-20 PERCENT. SOME MID LEVEL MOISTURE WILL CAUSE A SLIGHT CHANCE OF THUNDERSTORMS WITH DRY LIGHTNING OVER THE MOUNTAINS AND DESERTS DURING THE AFTERNOON...MAINLY TO THE NORTH AND EAST OF THE EXERCISE LOCATION. .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY...BECOMING PARTLY CLOUDY. MAX TEMPERATURE.....AROUND 75. MIN HUMIDITY........20 PERCENT. WIND................ SLOPES...........WINDS SOUTHWEST 10 MPH. RIDGETOP.........WEST 10 MPH. CHC WETTING RAIN....10 PERCENT. LAL.................1. MIXING HEIGHT.......500 FT AGL...BECOMING 7500 FT AGL LATE IN THE MORNING...THEN...BECOMING 5000 FT AGL EARLY IN THE AFTERNOON...BECOMING 2000 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTHWEST 10 MPH. $$ FORECASTER...STEVE VANDERBURG REQUESTED BY...DAVE GOLDER TYPE OF REQUEST...PRESCRIBED .TAG 20090520.BDUFP.01/SGX