Wyoming Fire Weather Zone 415

.DISCUSSION...
...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER ZONES 140...414...415...AND 416)... SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS WITH BRIEF STRONG WIND GUSTS TAPERING OFF THIS EVENING. TEMPERATURES WILL CONTINUE A GRADUAL COOLING TREND WITH INCREASING RELATIVE HUMIDITY. THERE WILL BE SUFFICIENT MOISTURE AVAILABLE TO KEEP MIXING HEIGHTS SUPPRESSED. OVERALL COOLING WITH THE TROUGH IN PLACE THROUGH THE WEEKEND SHOULD BRING SOME SNOW ABOVE 8000 FEET SATURDAY NIGHT IN ZONE 140 AND 9500 FEET ELSEWHERE IN THE MOUNTAINS. ...RAWLINS DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278... AND 279)... SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS WITH OCCASIONAL STRONG WIND GUSTS WILL TAPER OFF AFTER DARK WITH A FEW SHOWERS HANGING AROUND THROUGH THE NIGHT. TEMPERATURES WILL CONTINUE A GRADUAL COOLING TREND WITH INCREASING RELATIVE HUMIDITY INTO THE WEEKEND. THERE WILL BE SUFFICIENT MOISTURE AVAILABLE TO KEEP MIXING HEIGHTS SUPPRESSED. SHOWERS AND STORMS WILL BE POSSIBLE THROUGH SATURDAY WITH MUCH COOLER TEMPERATURES SATURDAY NIGHT INTO SUNDAY. ...CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276... 282...283...285...286...287...288...AND 289)... SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS WITH STRONG WIND GUSTS WILL TAPER OFF AFTER DARK WITH A FEW SHOWERS HANGING AROUND INTO THE NIGHT. TEMPERATURES WILL CONTINUE A GRADUAL COOLING TREND WITH INCREASING RELATIVE HUMIDITY INTO THE WEEKEND. THERE WILL BE SUFFICIENT MOISTURE AVAILABLE TO KEEP MIXING HEIGHTS SUPPRESSED. SHOWERS AND STORMS WILL BE POSSIBLE THROUGH SATURDAY WITH MUCH COOLER TEMPERATURES SATURDAY NIGHT INTO SUNDAY. OVERALL COOLING WITH THE TROUGH IN PLACE THROUGH THE WEEKEND SHOULD BRING SOME SNOW ABOVE 8000 FEET SATURDAY NIGHT IN THE NORTHERN MOUNTAINS AND 9500 FEET ELSEWHERE IN THE MOUNTAINS. ...CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 280...281... 285...289...AND 300)... ISOLATED SHOWERS AND THUNDERSTORMS WITH STRONG WIND GUSTS WILL TAPER OFF AFTER DARK WITH A FEW SHOWERS HANGING AROUND INTO THE NIGHT. TEMPERATURES WILL CONTINUE A GRADUAL COOLING TREND WITH INCREASING RELATIVE HUMIDITY INTO THE WEEKEND. THERE WILL BE SUFFICIENT MOISTURE AVAILABLE TO KEEP MIXING HEIGHTS SUPPRESSED. SHOWERS AND STORMS WILL BE POSSIBLE THROUGH SATURDAY WITH MUCH COOLER TEMPERATURES SATURDAY NIGHT INTO SUNDAY. OVERALL COOLING WITH THE TROUGH IN PLACE THROUGH THE WEEKEND SHOULD BRING SOME SNOW ABOVE 8000 FEET SATURDAY NIGHT IN THE BIG HORN MOUNTAINS. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP- 214 PM MDT THU AUG 21 2014 .TONIGHT... SKY/WEATHER.........CLOUDY. SCATTERED THUNDERSTORMS UNTIL 2400. SCATTERED RAIN SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS AFTER 2400. CHANCE OF PRECIPITATION 50 PERCENT. MIN TEMPERATURE.....41-47. 24 HR TREND......1 DEGREE WARMER. MAX HUMIDITY........88-94 PERCENT. 24 HR TREND......7 PERCENT DRIER. HUMIDITY RECOVERY...EXCELLENT. 20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH UNTIL 2100...THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 0300...THEN EAST AROUND 10 MPH. RIDGE TOP WINDS.....WEST 10 TO 15 MPH UNTIL 0300...THEN EAST. LAL.................3 UNTIL 2400...THEN 2. CHC OF WETTING RAIN.25 PERCENT. TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 2400...THEN SOUTHEAST. MIXING HEIGHT.......2000-4500 FT AGL UNTIL 2400...THEN 500-2000 FT AGL. SMOKE DISPERSAL.....POOR (16000-36000 KNOT-FT). HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FRIDAY... SKY/WEATHER.........CLOUDY. SCATTERED RAIN SHOWERS UNTIL 1200. SLIGHT CHANCE OF THUNDERSTORMS. RAIN SHOWERS LIKELY AFTER 1200. CHANCE OF PRECIPITATION 70 PERCENT. MAX TEMPERATURE.....56-65. 24 HR TREND......3 DEGREES WARMER. MIN HUMIDITY........57-63 PERCENT. 24 HR TREND......9 PERCENT DRIER. 20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH AND GUSTY. RIDGE TOP WINDS.....SOUTH AROUND 15 MPH. LAL.................2. CHC OF WETTING RAIN.40 PERCENT UNTIL 1200...THEN 60 PERCENT. TRANSPORT WINDS.....SOUTH 15 TO 20 MPH UNTIL 1500...THEN SOUTHWEST AROUND 25 MPH. MIXING HEIGHT.......1500-4000 FT AGL UNTIL 1200...THEN 4500-6500 FT AGL. SMOKE DISPERSAL.....FAIR TO GOOD (46000-66000 KNOT-FT). HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FRIDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND ISOLATED THUNDERSTORMS. CHANCE OF SNOW SHOWERS AFTER 2400. CHANCE OF PRECIPITATION 50 PERCENT. MIN TEMPERATURE.....38-44. 24 HR TREND......3 DEGREES COOLER. MAX HUMIDITY........92-98 PERCENT. 24 HR TREND......4 PERCENT WETTER. HUMIDITY RECOVERY...EXCELLENT. 20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2100...THEN SOUTH AROUND 10 MPH UNTIL 0300...THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15 MPH. RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 2100...THEN SOUTH. LAL.................3 UNTIL 2400...THEN 2. CHC OF WETTING RAIN.40 PERCENT UNTIL 2400...THEN 30 PERCENT. TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 2100...THEN SOUTH. MIXING HEIGHT.......3000-5500 FT AGL UNTIL 2400...THEN 2000-2500 FT AGL. SMOKE DISPERSAL.....POOR TO FAIR (38000-58000 KNOT-FT). HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .SATURDAY... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND ISOLATED THUNDERSTORMS. CHANCE OF PRECIPITATION 50 PERCENT. MAX TEMPERATURE.....53-62. 24 HR TREND......3 DEGREES COOLER. MIN HUMIDITY........48-54 PERCENT. 24 HR TREND......9 PERCENT DRIER. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200...THEN WEST AROUND 10 MPH AND GUSTY. RIDGE TOP WINDS.....WEST 10 TO 15 MPH. LAL.................2. CHC OF WETTING RAIN.42 PERCENT. TRANSPORT WINDS.....WEST 15 TO 20 MPH. MIXING HEIGHT.......2000-4000 FT AGL UNTIL 1200...THEN 4000-4500 FT AGL. SMOKE DISPERSAL.....FAIR TO GOOD (40000-60000 KNOT-FT). HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 7...... .SATURDAY NIGHT...CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS. LOWS IN THE UPPER 30S. WEST WINDS AROUND 10 MPH. .SUNDAY...PARTLY CLOUDY. CHANCE OF SHOWERS...SNOW SHOWERS AND ISOLATED THUNDERSTORMS. LOWS AROUND 40. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS AROUND 10 MPH. .MONDAY...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS...SNOW SHOWERS AND ISOLATED THUNDERSTORMS. LOWS AROUND 40. HIGHS AROUND 60. WINDS GENERALLY LESS THAN 10 MPH. .TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS... THUNDERSTORMS AND SNOW SHOWERS. LOWS AROUND 40. HIGHS IN THE LOWER 60S. WINDS GENERALLY LESS THAN 10 MPH. .WEDNESDAY THROUGH THURSDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS 64 TO 69.
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