FNUS75 KCYS 050042 FWSCYS SPOT FORECAST FOR ORPHA...BLM NATIONAL WEATHER SERVICE CHEYENNE WY 642 PM MDT MON OCT 4 2010 FORECAST IS BASED ON REQUEST TIME OF 1831 MDT ON OCTOBER 04. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...HIGH PRESSURE ALOFT WILL BE OVER THE AREA THROUGH MID-WEEK. TEMPERATURES WILL REMAIN ABOVE NORMAL WITH ONLY ISOLATED AFTERNOON AND EVENING SHOWERS OR THUNDERSTORMS. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). ISOLATED SHOWERS IN THE EVENING. MIN TEMPERATURE.....AROUND 49. MAX HUMIDITY........68-74 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 8 TO 12 MPH EARLY IN THE EVENING THEN BECOMING SOUTHWEST AROUND 8 MPH LATE IN THE EVENING. CWR.................20 PERCENT DECREASING TO 0 PERCENT AFTER MIDNIGHT. LAL.................1. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......7000 FT AGL IN THE EVENING DECREASING TO 200 FT AGL AFTER MIDNIGHT. TRANSPORT WINDS.....SOUTHWEST 12 TO 15 MPH IN THE EVENING DECREASING TO 8 TO 10 MPH AFTER MIDNIGHT. SMOKE DISPERSAL.....POOR TO EXCELLENT (1200-107400 KNOT-FT). $$ FORECASTER...JAMSKI REQUESTED BY...ZEB MCWILLIAMS TYPE OF REQUEST...WILDFIRE .TAG 20101004.ORPHA.01/CYS