FNUS75 KVEF 050137 FWSVEF SPOT FORECAST FOR TWIN POINT RX...CCIFC NATIONAL WEATHER SERVICE LAS VEGAS NV 637 PM PDT SUN SEP 4 2011 FORECAST IS BASED ON IGNITION TIME OF 1845 PDT ON SEPTEMBER 04. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...MOISTURE WILL BE INCREASING OVER THE FIRE SITE TONIGHT AND MONDAY...LEADING TO A CHANCE OF SHOWERS AND THUNDERSTORMS FROM MONDAY AFTERNOON THROUGH TUESDAY AFTERNOON. THE MAIN THREATS FROM ANY THUNDERSTORMS WILL BE LIGHTNING STRIKES AND GUSTY...ERRATIC WINDS. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. MIN TEMPERATURE.....54-59. MAX HUMIDITY........47-52 PERCENT. 20 FT-10 MIN AVG..WEST WINDS 6 TO 9 MPH IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY 2 TO 5 MPH. 10K FT WIND.......LIGHT AND VARIABLE BECOMING SOUTHWEST 7 TO 12 MPH AFTER MIDNIGHT. CWR (>= 0.10 IN)....0 PERCENT. LAL.................1. MIXING HEIGHT.......10000 FT AGL. TRANSPORT WINDS.....LIGHT WINDS. VENTILATION.........GOOD. .LABOR DAY... SKY/WEATHER.........PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS IN THE LATE MORNING AND AFTERNOON. MAX TEMPERATURE.....75-80. MIN HUMIDITY........21-26 PERCENT. 20 FT-10 MIN AVG..UPSLOPE/UPVALLEY 4 TO 8 MPH BECOMING SOUTHWEST 6 TO 11 MPH IN THE AFTERNOON. 10K FT WIND.......SOUTHWEST 7 TO 13 MPH. CWR (>= 0.10 IN)....14 PERCENT. LAL.................2. MIXING HEIGHT.......16500 FT AGL. TRANSPORT WINDS.....SOUTHEAST AROUND 6 KNOTS SHIFTING TO THE SOUTHWEST AROUND 15 KNOTS IN THE AFTERNOON. VENTILATION.........EXCELLENT. $$ FORECASTER...MORGAN REQUESTED BY...BRIAN WILLIAMS TYPE OF REQUEST...PRESCRIBED .TAG 20110904.TWINP.01/VEF