FNUS75 KFGZ 111211 FWSFGZ SPOT FORECAST FOR ROANHORSE RANCH...NAVAJO REGION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 511 AM MST WED AUG 11 2010 FORECAST IS BASED ON IGNITION TIME OF 0700 MST ON AUGUST 11. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...HIGH PRESSURE CENTERED OVER NEW MEXICO WILL PLACE ARIZONA UNDER A MOIST SOUTHERLY FLOW WITH ORIGINS FROM OVER THE GULF OF CALIFORNIA. AS A RESULT...AN INCREASE IN SHOWER AND THUNDERSTORMS ACTIVITY IS ANTICIPATED TODAY AND THURSDAY. .TODAY... SKY/WEATHER.........BECOMING MOSTLY CLOUDY. A CHANCE OF THUNDERSTORMS... MAINLY IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 84. MIN HUMIDITY........26 PCT. WINDS (20 FT).......LIGHT WINDS BECOMING SOUTHWEST AROUND 10 MPH IN THE AFTERNOON. LAL.................3. HAINES INDEX........4 LOW. MAX VENT RATE.......VERY GOOD (97000 KNOT-FT). CLEARING INDEX......970. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. MIN TEMPERATURE.....AROUND 57. MAX HUMIDITY........65 TO 75 PCT. WINDS (20 FT).......SOUTHWEST AROUND 5 MPH IN THE EARLY EVENING BECOMING LIGHT. LAL.................2. HAINES INDEX........3 VERY LOW. MIN VENT RATE.......POOR (2100 KNOT-FT). CLEARING INDEX......21. .THURSDAY... SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 84. MIN HUMIDITY........28 PCT. WINDS (20 FT).......LIGHT WINDS BECOMING SOUTHWEST AROUND 10 MPH IN THE AFTERNOON. LAL.................3. HAINES INDEX........3 VERY LOW. MAX VENT RATE.......EXCELLENT (118900 KNOT-FT). CLEARING INDEX......1189. $$ FORECASTER...MCCOLLUM REQUESTED BY...DARRYL WILSON REASON FOR REQUEST...PRESCRIBED .TAG 20100811.ROANH.01/FGZ