FNUS75 KFGZ 171654 FWSFGZ SPOT FORECAST FOR TATE...KNF KAIBAB NF NATIONAL WEATHER SERVICE FLAGSTAFF AZ 1155 AM MST WED SEP 16 2009 FORECAST IS BASED ON REQUEST TIME OF 1138 MST ON SEPTEMBER 16. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A LOW PRESSURE SYSTEM WILL MOVE ACROSS ARIZONA TODAY AND THURSDAY. ALTHOUGH COLDER TEMPERATURES ALOFT WITH THIS SYSTEM WILL RESULT IN STEEPENING LAPSE RATES AND INCREASED MID-LEVEL INSTABILITY...LOW LEVELS OF THE AIRMASS WILL REMAIN DRY. EXPECT A CHANCE OF MAINLY HIGH-BASED THUNDERSTORMS WITH STRONG AND GUSTY WINDS THIS AFTERNOON...CONTINUING ON THURSDAY. .TODAY... SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. A CHANCE OF THUNDERSTORMS. MAX TEMPERATURE.....65 (8500 FT) TO 73 (7300 FT). MIN HUMIDITY........28 (8500 FT) TO 22 (7300 FT) PCT. 20-FOOT WINDS.......LIGHT WINDS. WINDS GUSTS UP TO 30 MPH NEAR THUNDERSTORMS. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF THUNDERSTORMS. MIN TEMPERATURE.....43 TO 46. MAX HUMIDITY........60 TO 70 PCT. 20-FOOT WINDS.......LIGHT WINDS. .THURSDAY... SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF THUNDERSTORMS. MAX TEMPERATURE.....65 (8500 FT) TO 71 (7300 FT). MIN HUMIDITY........35 (8500 FEET) TO 30 (7300 FT) PCT. 20-FOOT WINDS.......LIGHT WINDS....BECOMING NORTHEAST 6 TO 9 MPH IN THE AFTERNOON. $$ FORECASTER...DB REQUESTED BY...KAIBAB NATIONAL FOREST REASON FOR REQUEST...WILDFIRE .TAG 20090916.TATE_.01/FGZ