Wyoming Fire Weather Zone 276

.DISCUSSION...
...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER ZONES 140...414...415...AND 416)... UPPER LOW MOVING OVER THE AREA THIS AFTERNOON WILL KEEP THE AREA COOL AND UNSETTLED WITH CONSIDERABLE CLOUD COVER AND SHOWERS INTO THE EARLY EVENING ALONG WITH ISOLATED THUNDERSTORMS. SHOWER CHANCES WILL DIMINISH OVER NIGHT BUT LOW CLOUDS AND AREAS OF FOG WILL REDEVELOP/PERSIST. TUESDAY WILL WARMER AND GENERALLY DRY WITH ONLY A SLIGHT CHANCE OF LATE DAY MOUNTAIN THUNDERSTORMS. A VERY WARM RIDGE OF HIGH PRESSURE WILL DEVELOP OVER THE AREA WEDNESDAY THROUGH FRIDAY WITH MOUNTAINS WARMING INTO THE 60S AND 70S WITH AROUND 80 IN THE LOWER VALLEYS. MIN RH`S MAY DROP BELOW 20 PERCENT IN THE AFTERNOON. ...RAWLINS DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278... AND 279)... ISOLATED THUNDERSTORMS WILL PERSIST UNTIL EARLY EVENING BEFORE ENDING. AREAS OF FOG AND LOW CLOUDS WILL REDEVELOP OVER MAINLY 277 AND 278 LATER TONIGHT. A DRY RIDGE OF HIGH PRESSURE WILL THEN BUILD TO BUILD IN TUESDAY THROUGH AT LEAST THURSDAY IF NOT FRIDAY WITH WARMING TEMPERATURES AND LOWERING AFTERNOON RH`S. MIN RH`S WILL LIKELY DROP TO BETWEEN 15 AND 20 PERCENT BY THURSDAY AFTERNOON. SIGNIFICANT WINDS ARE NOT EXPECTED. HOWEVER THE COMBINATION OF TEMPERATURES WARMING INTO THE UPPER 70S TO LOWER 80S WEDNESDAY AND THURSDAY COMBINED WITH AFTERNOON RH`S IN THE TEENS WILL INCREASE THE FIRE DANGER. ...CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276... 282...283...285...286...287...288...AND 289)... UPPER LOW MOVING EAST ACROSS THE AREA WILL KEEP CONSIDERABLE CLOUD COVER AND WIDELY SCATTERED TO SCATTERED SHOWERS ALONG WITH ISOLATED THUNDERSTORMS UNTIL EARLY EVENING. TUESDAY WILL BE DRY AND WARMER AS A VERY LARGE...WARM RIDGE OF HIGH PRESSURE BEGINS TO DEVELOP FOR THE MIDDLE OF NEXT WEEK. IT WILL BECOME QUITE WARM TO EVEN HOT WEDNESDAY THROUGH FRIDAY WITH HIGHS SOARING INTO THE 80S TO AROUND 90 WITH MIN RH`S DROPPING INTO THE TEENS. WINDS ARE NOT EXPECTED TO BE SIGNIFICANT IN THE MIDDLE PART OF THE WEEK BUT FIRE CONDITIONS WILL BECOME ELEVATED DUE TO THE VERY WARM TEMPERATURES AND MIN RH`S IN THE TEENS. ...CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 280...281... 285...289...AND 300)... UPPER LOW MOVING EAST ACROSS THE AREA WILL KEEP CONSIDERABLE CLOUD COVER AND WIDELY SCATTERED TO SCATTERED SHOWERS ALONG WITH ISOLATED THUNDERSTORMS UNTIL EARLY EVENING. TUESDAY WILL BE DRY AND WARMER AS A VERY LARGE...WARM RIDGE OF HIGH PRESSURE BEGINS TO DEVELOP FOR THE MIDDLE OF NEXT WEEK. IT WILL BECOME QUITE WARM TO EVEN HOT WEDNESDAY THROUGH FRIDAY WITH HIGHS SOARING INTO THE 80S TO AROUND 90 WITH MIN RH`S DROPPING INTO THE TEENS. WINDS ARE NOT EXPECTED TO BE SIGNIFICANT IN THE MIDDLE PART OF THE WEEK BUT FIRE CONDITIONS WILL BECOME ELEVATED DUE TO THE VERY WARM TEMPERATURES AND MIN RH`S IN THE TEENS. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... CODY FOOTHILLS- 248 PM MDT MON SEP 22 2014 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400...THEN PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AND ISOLATED RAIN SHOWERS UNTIL 2400. CHANCE OF PRECIPITATION 20 PERCENT. MIN TEMPERATURE.....50-55. 24 HR TREND......2 DEGREES COOLER. MAX HUMIDITY........75-81 PERCENT. 24 HR TREND......5 PERCENT DRIER. HUMIDITY RECOVERY...EXCELLENT. 20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30 MPH. RIDGE TOP WINDS.....WEST 20 TO 25 MPH. LAL.................2 UNTIL 2400...THEN 1. CHC OF WETTING RAIN.LESS THAN 5 PERCENT. TRANSPORT WINDS.....WEST 20 TO 25 MPH. MIXING HEIGHT.......4000-6000 FT AGL UNTIL 2400...THEN 2000-4500 FT AGL. SMOKE DISPERSAL.....GOOD (70000-90000 KNOT-FT). HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TUESDAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200...THEN PARTLY CLOUDY. MAX TEMPERATURE.....75-80. 24 HR TREND......5 DEGREES WARMER. MIN HUMIDITY........24-30 PERCENT. 24 HR TREND......10 PERCENT DRIER. 20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30 MPH UNTIL 1200...THEN AROUND 10 MPH AND GUSTY. RIDGE TOP WINDS.....WEST 15 TO 20 MPH. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....WEST AROUND 25 MPH UNTIL 1200...THEN AROUND 15 MPH. MIXING HEIGHT.......2500-5000 FT AGL UNTIL 1200...THEN 5000-7500 FT AGL. SMOKE DISPERSAL.....FAIR TO GOOD (54000-74000 KNOT-FT). HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TUESDAY NIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....52-57. 24 HR TREND......1 DEGREE WARMER. MAX HUMIDITY........70-76 PERCENT. 24 HR TREND......5 PERCENT DRIER. HUMIDITY RECOVERY...EXCELLENT. 20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 15 MPH UNTIL 2400...THEN 20 MPH. RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 2400...THEN AROUND 25 MPH. MIXING HEIGHT.......4000-6500 FT AGL UNTIL 2400...THEN 1500-2000 FT AGL. SMOKE DISPERSAL.....FAIR TO GOOD (40000-60000 KNOT-FT). HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .WEDNESDAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE.....81-86. 24 HR TREND......6 DEGREES WARMER. MIN HUMIDITY........20-26 PERCENT. 24 HR TREND......4 PERCENT DRIER. 20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH UNTIL 1200...THEN SOUTHEAST. GUSTS UP TO 20 MPH. RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1200...THEN SOUTHEAST. LAL.................1. CHC OF WETTING RAIN.ZERO PERCENT. TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH UNTIL 0900...THEN AROUND 15 MPH UNTIL 1200...THEN SOUTHEAST. MIXING HEIGHT.......2000-4500 FT AGL UNTIL 1200...THEN 4000-6500 FT AGL. SMOKE DISPERSAL.....FAIR TO GOOD (54000-74000 KNOT-FT). HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 7...... .WEDNESDAY THROUGH THURSDAY...CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID 80S. SOUTH WINDS AROUND 10 MPH. .FRIDAY...MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 80S. WINDS GENERALLY LESS THAN 10 MPH. .SATURDAY...COOLER. PARTLY CLOUDY. CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S. NORTH WINDS AROUND 10 MPH. .SUNDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 60S. .MONDAY...PARTLY CLOUDY. CHANCE OF SHOWERS IN THE MORNING...THEN SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. HIGHS IN THE UPPER 50S.
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