FNUS75 KFGZ 171217 FWSFGZ SPOT FORECAST FOR ODART RX...FTA FT. APACHE AGENCY NATIONAL WEATHER SERVICE FLAGSTAFF AZ 517 AM MST WED NOV 17 2010 FORECAST IS BASED ON IGNITION TIME OF 1100 MST ON NOVEMBER 17. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...EXPECT NEAR TO ABOVE NORMAL DAYTIME TEMPERATURES... MOSTLY CLEAR SKIES...AND GENERALLY LIGHT WINDS THROUGH THURSDAY. LIGHT WINDS WILL CONTRIBUTE TO MARGINAL VENTILATION CONDITIONS TODAY INCREASING TO FAIR ON THURSDAY. FRIDAY THROUGH SUNDAY...A STRONG TROUGH OF LOW PRESSURE WILL APPROACH NORTHERN ARIZONA...BRINGING INCREASINGLY STRONG SOUTH TO SOUTHWEST WINDS. HIGH TEMPERATURES DURING THIS PERIOD WILL START A FEW DEGREES ABOVE NORMAL ON FRIDAY AND COOL TO AROUND 5 DEGREES BELOW NORMAL BY SUNDAY. HUMIDITY WILL INCREASE THROUGH THIS TIME PERIOD ALONG WITH CHANCES FOR SHOWERS DEVELOPING SATURDAY AND SUNDAY. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....51 TO 55. MIN HUMIDITY........17 TO 22 PCT. WINDS (20 FT).......NORTH WINDS 3 TO 6 MPH BECOMING LIGHT AND VARIABLE LATE IN THE AFTERNOON. MAX VENT RATE.......MARGINAL (12900 KNOT-FT). CLEARING INDEX......129. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....20 TO 25. MAX HUMIDITY........50 TO 60 PCT. WINDS (20 FT).......VARIABLE/DOWNSLOPE UP TO 5 MPH. MIN VENT RATE.......POOR (1100 KNOT-FT). CLEARING INDEX......14. .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....56 TO 60. MIN HUMIDITY........10 TO 15 PCT. WINDS (20 FT).......LIGHT WINDS BECOMING SOUTHEAST 3 TO 6 MPH IN THE AFTERNOON. MAX VENT RATE.......FAIR (28900 KNOT-FT). CLEARING INDEX......289. $$ FORECASTER...ONTON REQUESTED BY...JOHN CERVANTES REASON FOR REQUEST...PRESCRIBED .TAG 20101117.ODART.01/FGZ