FNUS75 KRIW 241129 FWSRIW SPOT FORECAST FOR RED CANYON RX...BLM RSD NATIONAL WEATHER SERVICE RIVERTON WY 529 AM MDT THU JUN 24 2010 FORECAST IS BASED ON IGNITION TIME OF 1825 MDT ON JUNE 23. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A WEAK PACIFIC TROUGH WILL BEGIN TO APPROACH THE AREA TODAY. HOWEVER...ANY ISOLATED THUNDERSTORM OR SHOWER ACTIVITY IS EXPECTED TO REMAIN NORTH OF THE FIRE SITE. THE MAIN IMPACT TODAY WILL BE WINDS GRADUALLY INCREASING FROM THE SOUTHWEST AND SLIGHTLY LOWER MINIMUM RELATIVE HUMIDITY. RH RECOVERY TONIGHT WILL ONCE AGAIN BE POOR. THE WEAK TROUGH CONTINUES TO SHIFT EAST FRIDAY...WITH WIDELY SCATTERED SHOWERS AND THUNDERSTORMS ACROSS WESTERN WYOMING. SOUTHWEST FLOW WILL CONTINUE FRIDAY WITH RELATIVE HUMIDITY SIMILAR TO TODAY. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... FORECASTER...MURRELL .TODAY... SKY/WEATHER.........MOSTLY SUNNY (20 PERCENT) BECOMING PARTLY TO MOSTLY CLOUDY BY AROUND NOON. MAX TEMPERATURE.....71-74. MIN HUMIDITY........17-22 PERCENT. WIND (20 FT)........UPSLOPE/UPVALLEY 3-5 MPH BECOMING SOUTHWEST 5-9 MPH BY AROUND NOON...THEN MORE WEST BY LATE AFTERNOON. GUSTS TO 25 MPH IN THE AFTERNOON. RIDGE TOP WINDS.....SOUTH SOUTHWEST 5-10 MPH...BECOMING SOUTHWEST 10 MPH AROUND NOON...AND THEN WEST SOUTHWEST 15 MPH BY 1500. LAL.................1. CWR.................ZERO PERCENT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3500 FT AGL INCREASING TO 8000 FT AGL BY EARLY AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH. SMOKE DISPERSAL.....FAIR (40100 KNOT-FT) INCREASING TO VERY GOOD (120300 KNOT-FT) IN THE AFTERNOON. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (50 PERCENT). MIN TEMPERATURE.....47-52. MAX HUMIDITY........35-40 PERCENT. WIND (20 FT)........WEST WINDS 4-8 MPH...BECOMING DOWNSLOPE/DOWNVALLEY 3-5 MPH BY 2100. GUSTS TO 20 MPH UNTIL 2000. RIDGE TOP WINDS.....WEST 5 TO 10 MPH...BECOMING SOUTH BY MIDNIGHT. LAL.................1. CWR.................ZERO PERCENT. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4600-5600 FT AGL DECREASING TO 400 FT AGL AFTER MIDNIGHT. TRANSPORT WINDS.....WEST 5 TO 10 MPH...BECOMING SOUTH BY MIDNIGHT. SMOKE DISPERSAL.....GOOD (86900 KNOT-FT) DECREASING TO POOR (4300 KNOT-FT) AFTER MIDNIGHT. .FRIDAY... SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). WIDELY SCATTERED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....70-75. MIN HUMIDITY........18-22 PERCENT. WIND (20 FT)........UPSLOPE/UPVALLEY 3-6 MPH BECOMING SOUTHWEST 8 TO 12 MPH WITH GUSTS TO 30 MPH IN THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH INCREASING TO AROUND 20 MPH LATE IN THE AFTERNOON. LAL.................1 UNTIL 1200...THEN 4. CWR.................LESS THAN 5 PERCENT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3500 FT AGL INCREASING TO 8300 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 10 MPH INCREASING TO AROUND 20 MPH BY 1300. SMOKE DISPERSAL.....FAIR (48500 KNOT-FT) INCREASING TO EXCELLENT (15000 KNOT-FT) IN THE AFTERNOON. .FORECAST DAYS 3 THROUGH 5... .FRIDAY NIGHT...MOSTLY CLEAR. LOWS IN THE LOWER 40S. WINDS GENERALLY LESS THAN 10 MPH. .SATURDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND 10 MPH. .SUNDAY...MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE UPPER 60S. WINDS GENERALLY LESS THAN 10 MPH. .MONDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 70S. WINDS GENERALLY LESS THAN 10 MPH. $$ FORECASTER...MURRELL REQUESTED BY...RICHARD PUTNAM REASON FOR REQUEST...PRESCRIBED .TAG 20100623.REDCA.01/RIW