Wyoming Fire Weather Zone 293

.DISCUSSION...SUBTROPICAL MOISTURE WILL REMAIN OVER THE AREA THROUGH
THE WEEKEND WITH SHOWERS AND THUNDERSTORMS POSSIBLE EACH DAY ACROSS SOUTHEAST WYOMING AND WESTERN NEBRASKA. THERE IS A GOOD CHANCE OF WETTING RAINS BY FRIDAY AND THIS WEEKEND AS THUNDERSTORM COVERAGE WILL BE HIGHER. TEMPERATURES WILL TREND COOLER BY LATE THIS WEEK AND INTO THIS WEEKEND AS A STRONG COLD FRONT FOR THIS TIME OF THE YEAR MOVES INTO THE REGION LATE ON SATURDAY. NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL GRASSLAND- 219 PM MDT WED AUG 20 2014 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 2100. MIN TEMPERATURE.....56-61. 24 HR TREND......4 DEGREES COOLER. MAX HUMIDITY........66-72 PERCENT. 24 HR TREND......4 PERCENT WETTER. HUMIDITY RECOVERY...FAIR. 20-FOOT WINDS.......NORTHWEST UP TO 15 MPH AND GUSTY IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY 4-7 MPH. LAL.................2 UNTIL 2400...THEN 1. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH. MIXING HEIGHT.......2700-3200 FT AGL DECREASING TO 200-700 FT AGL AFTER MIDNIGHT. SMOKE DISPERSAL.....POOR (2100-26900 KNOT-FT). HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200...THEN PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1500. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS AFTER 1500. MAX TEMPERATURE.....84-90. 24 HR TREND......1 DEGREE WARMER. MIN HUMIDITY........17-23 PERCENT. 24 HR TREND......5 PERCENT DRIER. 20-FOOT WINDS.......WEST UP TO 15 MPH. GUSTS UP TO 20 MPH INCREASING TO 30 MPH IN THE AFTERNOON. LAL.................1 UNTIL 1200...THEN 2 UNTIL 1500...THEN 3. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....WEST 10 TO 15 MPH. MIXING HEIGHT.......3800-4300 FT AGL INCREASING TO 10800-12100 FT AGL IN THE AFTERNOON. SMOKE DISPERSAL.....POOR (29000 KNOT-FT) INCREASING TO VERY GOOD (132900 KNOT-FT) IN THE AFTERNOON. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY NIGHT... SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS UNTIL 2400. SLIGHT CHANCE OF SHOWERS. MIN TEMPERATURE.....53-58. 24 HR TREND......3 DEGREES COOLER. MAX HUMIDITY........82-88 PERCENT. 24 HR TREND......17 PERCENT WETTER. HUMIDITY RECOVERY...EXCELLENT. 20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH AND GUSTY SHIFTING TO THE NORTH AFTER MIDNIGHT. LAL.................3 UNTIL 2400...THEN 1. CHC OF WETTING RAIN.5 PERCENT. TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH. MIXING HEIGHT.......5700-6700 FT AGL DECREASING TO 300-800 FT AGL AFTER MIDNIGHT. SMOKE DISPERSAL.....GOOD (71800 KNOT-FT) DECREASING TO POOR (3800 KNOT-FT) AFTER MIDNIGHT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FRIDAY... SKY/WEATHER.........PARTLY CLOUDY UNTIL 1500...THEN MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS UNTIL 1200...THEN CHANCE OF SHOWERS AND THUNDERSTORMS. MAX TEMPERATURE.....80-85. 24 HR TREND......3 DEGREES COOLER. MIN HUMIDITY........27-33 PERCENT. 24 HR TREND......9 PERCENT WETTER. 20-FOOT WINDS.......NORTHEAST UP TO 10 MPH SHIFTING TO THE SOUTHEAST WITH HIGHER GUSTS IN THE AFTERNOON. LAL.................1 UNTIL 1200...THEN 3. CHC OF WETTING RAIN.10 PERCENT. TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH INCREASING TO SOUTHEAST AROUND 15 MPH IN THE AFTERNOON. MIXING HEIGHT.......3900-5000 FT AGL INCREASING TO 7900-9700 FT AGL IN THE AFTERNOON. SMOKE DISPERSAL.....POOR (29500 KNOT-FT) INCREASING TO GOOD (99300 KNOT-FT) IN THE AFTERNOON. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 10 MPH. .SUNDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS AROUND 70. NORTHWEST WINDS AROUND 10 MPH. .MONDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 70S. WINDS GENERALLY LESS THAN 10 MPH. .TUESDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S. .WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 70S.
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