FNUS75 KGJT 191640 FWSGJT SPOT FORECAST FOR HIGHWAY 90...BLM NATIONAL WEATHER SERVICE GRAND JUNCTION CO 1040 AM MDT MON APR 19 2010 FORECAST IS BASED ON IGNITION TIME OF 0930 MDT ON APRIL 20. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AN UPPER RIDGE WILL BE OVER WESTERN COLORADO THROUGH TUESDAY...THEN SHIFT TO THE EAST TUESDAY NIGHT. SURFACE INVERSIONS WILL DEVELOP TONIGHT AND NOT BURN COMPLETELY UNTIL LATE TUESDAY MORNING. SOUTHWEST WILL BEGIN TO STRENGTHEN TUESDAY AFTERNOON AS THE NEXT STORM SYSTEM REACHES THE WEST COAST. DAYTIME MIXING WILL RESULT IN SOME GUSTINESS TUESDAY AFTERNOON. .TONIGHT... MIN TEMPERATURE.....38-42 F. MAX HUMIDITY........62-67%. .TUESDAY... SKY/WEATHER.........PARTLY CLOUDY (50-60%). MAX TEMPERATURE.....67-71 F. MIN HUMIDITY........19-23%. WIND (20 FT)........DOWNSLOPE 3-5 MPH UNTIL 1030...THEN BECOMING UPSLOPE 5 MPH BY 1200. OCCASIONAL SOUTHWEST GUSTS TO 13 MPH AFTER 1400. SMOKE DISPERSAL.....POOR UNTIL 1200...THEN FAIR BECOMING GOOD. MIXING HEIGHT.......5000 FT AGL AT 1200 INCREASING TO 10,000 FT AGL. TRANSPORT WINDS.....DOWNSLOPE 3-5 MPH UNTIL 10300...THEN BECOMING SOUTHWEST 8 MPH AT 1200 10 MPH INCREASING TO 15 MPH BY 1500. $$ FORECASTER...JIM DANIELS REQUESTED BY...STEVE MUELLER TYPE OF REQUEST...PRESCRIBED .TAG 20100420.HIGHW.01/GJT