Wyoming Fire Weather Zone 274

.DISCUSSION...
...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER ZONES 140...414...415...AND 416)... A FEW LINGERING SHOWERS IN THE FAR SOUTHEASTERN PART OF THE DISTRICT OTHERWISE DRY TONIGHT AND THURSDAY. A WEAK SYSTEM WILL BRUSH THE AREA ON FRIDAY WITH ISOLATED SHOWERS AND THUNDERSTORMS POSSIBLE WITH THE BEST ODDS IN 140 AND 415. A MORE SIGNIFICANT SYSTEM AND COLD FRONT WILL USHER IN STRONGER WINDS AND A GOOD CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS SATURDAY...LINGERING INTO SUNDAY. SNOW LEVELS WILL LIKELY LOWER TO AROUND 9000 FEET OR SO SATURDAY NIGHT. ...RAWLINS DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278... AND 279)... CURRENT UPPER LOW WILL MOVE OFF TO THE EAST TONIGHT WITH SHOWERS AND ISOLATED THUNDERSTORMS MOVING AREA WITH IT. BEHIND THE SYSTEM...THE MOIST ENVIRONMENT WILL LEAD TO LOW CLOUDS AND PATCHY FOG ACROSS MAINLY 279 FROM 06Z-15Z THURSDAY. OTHERWISE...IT WILL BE DRY THURSDAY AND FRIDAY WITH WARMER TEMPERATURES AND SOME INCREASE OF WIND ON FRIDAY. ...CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276... 282...283...285...286...287...288...AND 289)... UPPER LOW AFFECTING THE MAINLY THE SOUTH HALF OF THE AREA WITH SHOWERS AND ISOLATED THUNDERSTORMS WILL MOVE OFF TO THE EAST BY LATER THIS EVENING WITH SHOWERS GRADUALLY ENDING FROM NW TO SE. THURSDAY WILL BE DRY AND WARMER WITH NO SIGNIFICANT WIND. FRIDAY WILL SEE A COLD FRONT MOVE EAST ACROSS THE AREA WITH ISOLATED SHOWERS AND THUNDERSTORMS AND OCCASIONAL BREEZY CONDITIONS. ...CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 280...281... 285...289...AND 300)... UPPER LOW AFFECTING MOST OF THE AREA WITH SHOWERS AND ISOLATED THUNDERSTORMS WILL MOVE OFF TO THE EAST BY LATER THIS EVENING WITH SHOWERS GRADUALLY ENDING FROM NW TO SE. THURSDAY WILL BE DRY AND WARMER WITH NO SIGNIFICANT WIND. FRIDAY WILL SEE A COLD FRONT MOVE EAST ACROSS THE AREA WITH ISOLATED SHOWERS AND THUNDERSTORMS AND OCCASIONAL BREEZY CONDITIONS. MOST OF THE SHOWERS WILL BE IN THE HIGH COUNTRY. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... NATRONA COUNTY/CASPER BLM- 225 PM MDT WED AUG 27 2014 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400...THEN PARTLY CLOUDY. SHOWERS LIKELY ALONG WITH ISOLATED THUNDERSTORMS THROUGH THIS EVENING...THEN ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 2400. PATCHY FOG AFTER 2400. CHANCE OF PRECIPITATION 70 PERCENT EARLY THEN 20 PERCENT. MIN TEMPERATURE.....50-55. 24 HR TREND......3 DEGREES COOLER. MAX HUMIDITY........87-93 PERCENT. 24 HR TREND......11 PERCENT WETTER. HUMIDITY RECOVERY...EXCELLENT. 20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH UNTIL 2400...THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 0300...THEN WEST AROUND 10 MPH. GUSTS UP TO 15 MPH. RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH. LAL.................2 UNTIL 2100...THEN 1. CHC OF WETTING RAIN.20 PERCENT UNTIL 2400...THEN ZERO PERCENT. TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH. MIXING HEIGHT.......2500-5000 FT AGL. SMOKE DISPERSAL.....POOR TO FAIR (26000-42000 KNOT-FT). HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY... SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200...THEN MOSTLY SUNNY. PATCHY FOG UNTIL 1200. MAX TEMPERATURE.....76-81. 24 HR TREND......12 DEGREES WARMER. MIN HUMIDITY........19-25 PERCENT. 24 HR TREND......21 PERCENT DRIER. 20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 1200...THEN NORTH. GUSTS UP TO 15 MPH. RIDGE TOP WINDS.....WEST AROUND 15 MPH UNTIL 1200...THEN NORTH. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....WEST AROUND 15 MPH UNTIL 1200...THEN NORTH. MIXING HEIGHT.......2500-5000 FT AGL UNTIL 1200...THEN 4500-7000 FT AGL. SMOKE DISPERSAL.....FAIR TO GOOD (42000-62000 KNOT-FT). HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY NIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....50-55. 24 HR TREND......UNCHANGED. MAX HUMIDITY........68-74 PERCENT. 24 HR TREND......19 PERCENT DRIER. HUMIDITY RECOVERY...GOOD. 20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 10 MPH. RIDGE TOP WINDS.....NORTHWEST AROUND 5 MPH UNTIL 2100...THEN NORTHEAST UNTIL 2400...THEN SOUTHWEST. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 2100...THEN SOUTHEAST UNTIL 2400...THEN SOUTHWEST. MIXING HEIGHT.......7000-8000 FT AGL UNTIL 2400...THEN 5000-7500 FT AGL. SMOKE DISPERSAL.....POOR TO FAIR (36000-56000 KNOT-FT). HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200...THEN PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200. CHANCE OF PRECIPITATION 20 PERCENT. MAX TEMPERATURE.....78-83. 24 HR TREND......2 DEGREES WARMER. MIN HUMIDITY........18-24 PERCENT. 24 HR TREND......1 PERCENT DRIER. 20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900...THEN WEST AROUND 10 MPH UNTIL 1200...THEN UPSLOPE/UPVALLEY 5-9 MPH. RIDGE TOP WINDS.....SOUTHWEST 5 TO 10 MPH. LAL.................1 UNTIL 1200...THEN 2. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....WEST AROUND 10 MPH. MIXING HEIGHT.......4000-6000 FT AGL UNTIL 1200...THEN 6000-8500 FT AGL. SMOKE DISPERSAL.....FAIR TO GOOD (40000-60000 KNOT-FT). HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 7...... .FRIDAY NIGHT...MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHEAST WINDS AROUND 10 MPH. .SATURDAY...MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 15 MPH. .SUNDAY...COOLER. PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S. WEST WINDS AROUND 15 MPH. .LABOR DAY...PARTLY CLOUDY WITH ISOLATED SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S. WEST WINDS AROUND 10 MPH. .TUESDAY...MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S. .WEDNESDAY...PARTLY CLOUDY. HIGHS IN THE UPPER 70S.
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