FNUS75 KRIW 181032 FWSRIW SPOT FORECAST FOR DRY CANYON...BLM RAD NATIONAL WEATHER SERVICE RIVERTON WY 432 AM MDT MON JUN 18 2012 FORECAST IS BASED ON REQUEST TIME OF 2020 MDT ON JUNE 17. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY... .DISCUSSION...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT TUESDAY FOR WIND AND LOW RELATIVE HUMIDITY. ANOTHER DRY...WARM AND WINDY DAY WILL PRECEDE A FRONTAL PASSAGE TONIGHT. RELATIVE HUMIDITY WILL TREND SLIGHTLY HIGHER TODAY AND WINDS NOT QUITE AS STRONG. A STRONG...DRY COLD FRONT WILL PUSH ACROSS THE SITE AROUND MIDNIGHT. TEMPERATURES WILL TREND 10 TO 15 DEGREES COOLER BEHIND THE FRONT ON TUESDAY...BUT WINDS WILL REMAIN GUSTY AND RELATIVE HUMIDITY VERY LOW. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... FORECASTER...MEUNIER .TODAY... SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT). MAX TEMPERATURE.....82-85. MIN HUMIDITY........11-13 PERCENT. 20 FOOT WINDS.......WEST SOUTHWEST 10 TO 15 MPH THROUGH 0900...INCREASING TO 20 TO 25 MPH WITH GUSTS TO 35 MPH BY NOON. RIDGE TOP WINDS.....WEST 15 TO 20 MPH...BECOMING WEST SOUTHWEST 25 TO 30 MPH IN THE LATE MORNING AND AFTERNOON. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4500-5500 FT AGL INCREASING TO 9900-10900 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....WEST 25 TO 30 MPH INCREASING TO AROUND 35 MPH LATE IN THE AFTERNOON. SMOKE DISPERSAL.....VERY GOOD (111400 KNOT-FT) INCREASING TO EXCELLENT (269100 KNOT-FT) IN THE AFTERNOON. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). MIN TEMPERATURE.....47-50. MAX HUMIDITY........39-42 PERCENT. 20 FOOT WINDS.......WEST SOUTHWEST 20 TO 25 MPH WITH GUSTS TO 35 MPH UNTIL AROUND SUNSET...DECREASING TO 15 TO 20 MPH AND SHIFTING TO THE WEST NORTHWEST AROUND MIDNIGHT. RIDGE TOP WINDS.....WEST SOUTHWEST AROUND 30 MPH DECREASING TO AROUND 20 MPH WITH SUNSET AND SHIFTING TO THE WEST NORTHWEST AROUND MIDNIGHT. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......6800-7800 FT AGL DECREASING TO 1000-2000 FT AGL AFTER MIDNIGHT. TRANSPORT WINDS.....WEST SOUTHWEST 25 TO 30 MPH...BECOMING WEST NORTHWEST AROUND 20 MPH AFTER MIDNIGHT. SMOKE DISPERSAL.....EXCELLENT THROUGH SUNSET DECREASING TO POOR AFTER MIDNIGHT. .TUESDAY... SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT). MAX TEMPERATURE.....69-72. MIN HUMIDITY........12-15 PERCENT. 20 FOOT WINDS.......WEST NORTHWEST 15 TO 20 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON. RIDGE TOP WINDS.....WEST 20 TO 25 MPH. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3000-4000 FT AGL INCREASING TO 6400-7400 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....WEST 25 MPH. SMOKE DISPERSAL.....GOOD (70000 KNOT-FT) INCREASING TO EXCELLENT (156800 KNOT-FT) IN THE AFTERNOON. .FORECAST DAYS 3 THROUGH 5... .TUESDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 40. WEST NORTHWEST WINDS 15 TO 20 MPH...BECOMING SOUTHWEST 5 TO 10 LATE EVENING AND OVERNIGHT. .WEDNESDAY...MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S. WEST WIND AROUND 15 MPH IN THE AFTERNOON. .THURSDAY...WARMER...CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID 80S. WINDS GENERALLY LESS THAN 10 MPH. .FRIDAY...MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 11 MPH. $$ FORECASTER...MEUNIER REQUESTED BY...MEGEL REASON FOR REQUEST...WILDFIRE .TAG 20120617.DRYCA.01/RIW