FNUS75 KGJT 071556 FWSGJT SPOT FORECAST FOR CNP SAGE BRUSH BLOCKS...BLM/USFS/NPS NATIONAL WEATHER SERVICE GRAND JUNCTION CO 956 AM MDT TUE SEP 7 2010 FORECAST IS BASED ON IGNITION TIME OF 1300 MDT ON SEPTEMBER 07. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...SUNSHINE AND GOOD SURFACE HEATING WILL PROVIDE LOFT FOR VERY GOOD SMOKE DISPERSAL THIS AFTERNOON. CLOUDS WILL BE ON THE INCREASE THIS AFTERNOON WITH ISOLATED SHOWERS AND THUNDERSTORMS TONIGHT AS MOISTURE RETURNS. DRAINAGE WINDS WILL LIKELY BE DISRUPTED TONIGHT. .TODAY... SKY/WEATHER.........SUNNY (0-10%) UNTIL 1300 THEN BECOMING PARTLY CLOUDY (50-60%) BY 1500. MAX TEMPERATURE.....77-80 F. MIN HUMIDITY........10-12%. 20-FOOT WINDS.......BECOMING UPSLOPE 4-6 MPH BY 1200. OCCASIONALLY SOUTHWEST 6 MPH WITH A FEW SOUTHWEST GUSTS TO 12 MPH. SMOKE DISPERSAL.....POOR AT 1200 BECOMING VERY GOOD BY 1500. MIXING HEIGHT.......4500 FT AGL AT 1200 INCREASING TO 10500 FT AGL BY 1500. TRANSPORT WINDS.....SOUTHEAST 7 MPH UNTIL 1200 THEN SHIFTING TO THE SOUTHWEST 16 MPH. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (70-80%). ISOLATED SHOWERS AND THUNDERSTORMS. MIN TEMPERATURE.....53-58 F. MAX HUMIDITY........55-60%. 20-FOOT WINDS.......SOUTHWEST 5 MPH WITH GUSTS TO AROUND 20 MPH SHIFTING TO THE SOUTH 12 MPH AFTER MIDNIGHT. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. SMOKE DISPERSAL.....GOOD UNTIL 2000 THEN DECREASING TO POOR. MIXING HEIGHT.......6000 FT AGL DECREASING TO 2000 FT AGL BY 2100. TRANSPORT WINDS.....SOUTH 12 MPH. $$ FORECASTER...JIM DANIELS REQUESTED BY...WZ FMO TYPE OF REQUEST...PRESCRIBED .TAG 20100907.CNPSA.01/GJT