FNUS76 KHNX 090539 FWSHNX SPOT FORECAST FOR GROUSE...YOSEMITE NATIONAL PARK NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA 1039 PM PDT MON JUN 8 2009 FORECAST IS BASED ON INCIDENT TIME OF 1703 PDT ON JUNE 08. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AN AREA OF LOW PRESSURE WILL DRIFT EASTWARD ACROSS SOUTHERN CALIFORNIA AND PRODUCE ISOLATED AFTERNOON THUNDERSTORMS OVER THE SIERRA TUESDAY. THE THREAT OF THUNDER WILL BE MORE CONFINED TO THE HIGHER ELEVATIONS OF THE SIERRA AS ANOTHER TROUGH MOVES INTO THE DISTRICT INCREASING A WEST ONSHORE FLOW. .TUESDAY... SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....70. MIN HUMIDITY........51 PERCENT. EYE LEVEL WINDS.....NEAR CALM IN THE MORNING BECOMING UPSLOPE 2-5 MPH BY 1100 PDT. SURROUNDING RIDGE...SOUTHWEST 5-10 MPH. MIXING HEIGHT.......6000 FEET AGL. TRANSPORT WINDS.....SOUTHWEST 7 MPH. .TUESDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY. MIN TEMPERATURE.....41. MAX HUMIDITY........95 PERCENT. EYE LEVEL WINDS.....WEST 3-6 MPH IN THE EVENING...BECOMING DOWNSLOPE 1-3 MPH BY 2200 PDT. SURROUNDING RIDGE...SOUTH 8 MPH MIXING HEIGHT.......LOWERING TO LESS THAN 500 FEET AGL. TRANSPORT WINDS.....SOUTH 5 MPH. .WEDNESDAY... SKY/WEATHER.........PARTLY SUNNY. MAX TEMPERATURE.....67. MIN HUMIDITY........49 PERCENT. EYE LEVEL WINDS.....SOUTH 1-3 MPH IN THE MORNING BECOMING UPSLOPE 2-6 MPH. SURROUNDING RIDGE...SOUTH 10 MPH. MIXING HEIGHT.......5000 FEET AGL. TRANSPORT WINDS.....SOUTHWEST 7 MPH. FORECASTER...VASQUEZ $$REQUESTED BY...TARO PUSINA TYPE OF REQUEST...WFU .TAG 20090608.GROUS.01/HNX