FNUS75 KRIW 041030 FWSRIW SPOT FORECAST FOR PACKER CREEK...BTF NATIONAL WEATHER SERVICE RIVERTON WY 430 AM MDT SUN AUG 4 2013 FORECAST IS BASED ON REQUEST TIME OF 2130 MDT ON AUGUST 03. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A DRY AND WARM DAY TODAY. AN AFTERNOON BREEZE WILL OCCUR ALONG WITH LOW RELATIVE HUMIDITY. THUS WOULD EXPECT ACTIVE FIRE BEHAVIOR. MONDAY WILL SEE MORE CLOUDS WITH ISOLATED AFTERNOON AND EVENING THUNDERSTORMS POSSIBLE AT OR NEAR THE FIRE. EXPECT AN AFTERNOON TO EARLY EVENING BREEZE ONCE AGAIN WITH LOW RELATIVE HUMIDITY. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... FORECASTER...AR .TODAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....73-76. MIN HUMIDITY........14-18 PERCENT. 20 FOOT WINDS.......UPSLOPE/UPVALLEY AT 5 TO 8 MPH UNTIL 1300. SOUTH TO SOUTHWEST AT 5 TO 10 MPH AFTER 1300 WITH GUSTS AROUND 15 MPH. RIDGE TOP WINDS.....SOUTH AT 7 TO 10 MPH UNTIL 1300. WEST TO SOUTHWEST AT 12 TO 17 MPH WITH GUSTS 20 TO 25 MPH AFTER 1300. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......INCREASING TO 8000-9000 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH TO SOUTHWEST AT 10 MPH UNTIL 1300. WEST TO SOUTHWEST 20 TO 25 MPH AFTER 1300. SMOKE DISPERSAL.....INCREASING TO GOOD BY 1200. INCREASING TO EXCELLENT BY 1500. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....43-46. MAX HUMIDITY........63-66 PERCENT. 20 FOOT WINDS.......SOUTH TO SOUTHWEST AT 5 TO 10 MPH UNTIL 2000. THE WIND BECOMING DOWNSLOPE/DOWNVALLEY AT 4 TO 7 MPH BY 2300. RIDGE TOP WINDS.....WEST TO SOUTHWEST AT 12 TO 17 MPH WITH GUSTS AROUND 20 MPH UNTIL 2000...THEN DECREASING. WEST TO SOUTHWEST AT 7 TO 11 MPH AFTER 2200. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......DECREASING TO 2000-3000 FT AGL AFTER MIDNIGHT. TRANSPORT WINDS.....WEST TO SOUTHWEST AT 15 TO 20 MPH UNTIL 2100. THEN WEST TO SOUTHWEST AROUND 10 MPH BY MIDNIGHT. SMOKE DISPERSAL.....VERY GOOD (134000 KNOT-FT) DECREASING TO POOR (38300 KNOT-FT) AFTER MIDNIGHT. .MONDAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1300. THEN BECOMING PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1400. MAX TEMPERATURE.....73-76. MIN HUMIDITY........15-18 PERCENT. 20 FOOT WINDS.......UPSLOPE/UPVALLEY AT 5 TO 8 MPH UNTIL 1300. THEN SOUTH TO SOUTHWEST AT 7 TO 11 MPH WITH GUSTS AROUND 15 MPH AFTER 1300. GUSTY AND ERRATIC WINDS TO 30 MPH EXPECTED NEAR SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. RIDGE TOP WINDS.....SOUTH AT 7 TO 10 MPH UNTIL 1300. WEST TO SOUTHWEST AT 13 TO 18 MPH WITH GUSTS TO 25 MPH AFTER 1300. GUSTY AND ERRATIC WINDS TO 40 MPH EXPECTED NEAR SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. LAL.................1 UNTIL 1400...THEN 2. CHC OF WETTING RAIN.3 PERCENT. HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......INCREASING TO 8500-9500 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH TO SOUTHWEST AROUND 10 MPH UNTIL 1300. THEN WEST TO SOUTHWEST AT 20 TO 25 MPH AFTER 1300. SMOKE DISPERSAL.....INCREASING TO GOOD BY 1200...INCREASING TO EXCELLENT BY 1500. .FORECAST DAYS 3 THROUGH 5... .MONDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN THE EVENING. LOWS 43-46. WINDS BECOMING DOWNSLOPE/DOWNVALLEY AT 5 TO 9 MPH BY MIDNIGHT. .TUESDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS AROUND 75. WEST TO SOUTHWEST AT 8 TO 13 MPH IN THE AFTERNOON. .WEDNESDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS 70 TO 75. WINDS GENERALLY LESS THAN 10 MPH. .THURSDAY...PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS 70 TO 75. WINDS GENERALLY LESS THAN 10 MPH. $$ FORECASTER...ROSS REQUESTED BY...ROD DYKEHOUSE REASON FOR REQUEST...WILDFIRE .TAG 20130803.PACKE.02/RIW