FNUS75 KTWC 082246 FWSTWC SPOT FORECAST FOR SCHOOL CANYON...USFS CNF NATIONAL WEATHER SERVICE TUCSON AZ 346 PM MST TUE MAY 8 2012 FORECAST IS BASED ON REQUEST TIME OF 1536 MST ON MAY 08. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A LOW PRESSURE SYSTEM WILL PASS JUST SOUTH OF THE FIRE AREA ACROSS NORTHERN MEXICO TONIGHT AND WEDNESDAY. THIS WILL BRING IN ENOUGH MOISTURE AND INSTABILITY FOR A SLIGHT CHANCE OF THUNDERSTORMS THIS AFTERNOON AND EVENING...AND A BETTER CHANCE WEDNESDAY AFTERNOON AND EVENING. STRONG GUSTY ERRATIC OUTFLOWS WITH SOME STORMS. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS EARLY. MIN TEMPERATURE.....46 TO 50 DEGS. MAX HUMIDITY........45 TO 50 PCT. 20-FOOT WINDS.......SOUTH TO SOUTHWEST 6 TO 13 MPH WITH GUSTS TO AROUND 25 MPH IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY 5 TO 10 MPH. LAL.................1. CHANCE OF RAIN......10 PERCENT. HAINES INDEX........6 HIGH. .WEDNESDAY... SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....70 TO 75 DEGS. MIN HUMIDITY........18 TO 23 PCT. 20-FOOT WINDS.......EAST 5 TO 13 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON. LAL.................4. CHANCE OF RAIN......50 PERCENT. HAINES INDEX........4 LOW. $$ FORECASTER...FIRE WEATHER FORECASTER REQUESTED BY...SARA SEXSON TYPE OF REQUEST...WILDFIRE .TAG 20120508.SCHOO.02/TWC