Wyoming Fire Weather Zone 300

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT FRIDAY FOR
FIRE ZONES 279...280...283...285...287 AND 300... ...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY EVENING FOR FIRE ZONE 276... .DISCUSSION... ...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER ZONES 140...414...415...AND 416)... HIGH TEMPERATURES WARMER TODAY BY 5 TO 8 DEGREES OVER THOSE ON TUESDAY...RANGING FROM THE MID 70S TO THE UPPER 80S FOR MOST LOCATIONS WITH MINIMUM RELATIVE HUMIDITY LEVELS RANGING FROM THE MIDDLE AND UPPER TEENS TO THE MID 20S (PERCENT). WINDS WILL TEND WEST AT 10 TO 20 MPH WITH GUSTS 25 TO 30 MPH POSSIBLE AT TIMES...ESPECIALLY OVER THE HIGHER ELEVATIONS. THERE WILL ONLY BE AN ISOLATED CHANCE FOR A GUSTY SHOWER OR THUNDERSTORM POSSIBLE THIS AFTERNOON THROUGH THE EARLY EVENING ACROSS ZONES 414 AND 415...DRY ELSEWHERE. THIS SPARSE ACTIVITY COULD PRODUCE SHORT LIVED ERRATIC WIND GUSTS TO 40 MPH WITH LITTLE RAINFALL. THROUGH FRIDAY...WARM AND MOSTLY DRY WEATHER WILL CONTINUE...WITH THE BEST CHANCE FOR AN EARLY MORNING SHOWER OCCURRING THURSDAY MORNING...WITH LITTLE IF ANY CHANCE FOR PRECIPITATION ON FRIDAY SATURDAY. FIRE DANGER WILL CERTAINLY BE ENHANCED THROUGH THE PERIOD...ALTHOUGH FUELS ARE NOT CONSIDERED CRITICAL AT THIS TIME. ...RAWLINS DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278... AND 279)... EXTREME FIRE WEATHER CONDITIONS WILL BEGIN AT NOON TODAY AND LAST THROUGH FRIDAY EVENING FOR ZONE 279. PLEASE SEE THE RED FLAG WARNING PRODUCT FOR FURTHER DETAILS. OTHERWISE...TEMPERATURES SIMILAR TO THOSE ON TUESDAY WITH HIGHS MOSTLY RANGING INTO THE LOWER 90S FOR MOST LOCATIONS. WINDS WILL TEND OUT OF THE SOUTHWEST AT 15 TO 20 MPH WITH A GUSTS OF 25 TO 30 MPH POSSIBLE. MINIMUM RELATIVE HUMIDITY VALUES WILL RANGE FROM THE LOWER TO MID TEENS (PERCENT). THERE WILL ONLY BE AN ISOLATED CHANCE FOR A SHOWER OR THUNDERSTORM TODAY...WITH LITTLE RAIN...AND OCCASIONAL LIGHTNING AND GUSTY ERRATIC WIND ACCOMPANYING. THROUGH FRIDAY...EXPECT WARM/HOT AND DRY WEATHER TO CONTINUE ALONG WITH INCREASING WESTERLY WINDS AND ONLY AN ISOLATED CHANCE FOR A SHOWER OR THUNDER THURSDAY ACROSS EXTREME EASTERN ZONE 279. ...CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276... 282...283...285...286...287...288...AND 289)... UPDATED TO ADD ISOLATED LATE AFTERNOON AND EVENING GUSTY HIGH BASED SHOWERS AND THUNDERSTORMS TO MOST AREAS. NOT A LOT OF MOISTURE TO WORK WITH SO IF ANY STORMS FORM THE MAIN THREAT WILL BE 40 TO 50 MPH OUTFLOW WINDS. EXTREME FIRE WEATHER CONDITIONS WILL BEGIN AT NOON TODAY AND LAST THROUGH FRIDAY EVENING FOR ZONES 283 285 AND 287....THURSDAY AT NOON FOR ZONE 276. PLEASE SEE THE RED FLAG WARNING AND FIRE WEATHER WATCH PRODUCTS FOR FURTHER DETAILS. OTHERWISE...HIGH TEMPERATURES WARMER TODAY BY SOME 2 TO 5 DEGREES OVER THOSE ON TUESDAY...RANGING FROM THE UPPER 80S NEAR 100 FOR MOST LOCATIONS WITH MINIMUM RELATIVE HUMIDITY LEVELS RANGING FROM THE LOWER TEENS TO LOWER 20S (PERCENT). WINDS WILL TEND OUT OF THE SOUTH TO SOUTHWEST AT 10 TO 20 MPH...WITH GUSTS 20 TO 30 MPH POSSIBLE LATER THIS AFTERNOON. CHANCES FOR AN ISOLATED SHOWERS OR THUNDERSTORM WILL BE POSSIBLE LATE THIS AFTERNOON AND EVENING MAINLY THE WIND RIVER AND SOUTH BIG HORN MOUNTAINS. THROUGH FRIDAY...EXPECT WARM/HOT AND DRY WEATHER TO CONTINUE ALONG WITH INCREASING WESTERLY WINDS AND ONLY AN ISOLATED CHANCE FOR A SHOWER OR THUNDER THURSDAY OVER THE WIND RIVER MOUNTAINS. ...CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 280...281... 285...289...AND 300)... UPDATED TO INCLUDE A FEW STRONGER THUNDERSTORMS UNTIL LATE AFTERNOON FOR 281 AND EASTERN 280. OTHERWISE...ISOLATED HIGH BASED GUSTY OUTFLOW TYPE STORMS WILL BE POSSIBLE IN THE LATE AFTERNOON AND EVENING. EXTREME FIRE WEATHER CONDITIONS WILL BEGIN AT NOON TODAY AND LAST THROUGH FRIDAY EVENING FOR ZONES 280 285 AND 300. PLEASE SEE THE RED FLAG WARNING AND FIRE WEATHER WATCH PRODUCTS FOR FURTHER DETAILS. TEMPERATURES A LITTLE WARMER TODAY WITH HIGHS MOSTLY RANGING INTO THE MID 70S TO LOWER 80S IN THE MOUNTAINS TO AROUND 100 AT LOWER ELEVATIONS. WINDS WILL TEND OUT OF THE SOUTHWEST AT 10 TO 20 MPH WITH GUSTS OF 25 TO 30 MPH POSSIBLE. MINIMUM RELATIVE HUMIDITY VALUES WILL RANGE FROM UPPER SINGLE DIGITS AT LOWER ELEVATIONS TO NEAR 25 PERCENT IN THE MOUNTAINS. THERE WILL AN ISOLATED CHANCE FOR FOR A SHOWER OR THUNDERSTORM TODAY...WITH LESSER CHANCES ACROSS THE LOWER ELEVATIONS. THROUGH FRIDAY...EXPECT WARM/HOT AND DRY WEATHER TO CONTINUE ALONG WITH INCREASING WESTERLY WINDS AND ONLY AN ISOLATED CHANCE FOR A SHOWER OR THUNDERSTORM THURSDAY ACROSS EXTREME EASTERN ZONE 280 AND 300. ...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS... ...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT... CASPER MOUNTAIN- 919 AM MDT WED JUL 23 2014 ...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT FRIDAY... .TODAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200...THEN PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS AND SMALL HAIL AFTER 1200. CHANCE OF PRECIPITATION 20 PERCENT. MAX TEMPERATURE.....87-94. 24 HR TREND......2 DEGREES WARMER. MIN HUMIDITY........13 PERCENT. 24 HR TREND......1 PERCENT DRIER. 20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH UNTIL 1200...THEN SOUTHWEST. GUSTS UP TO 20 MPH. RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH. LAL.................1 UNTIL 1200...THEN 2. CHC OF WETTING RAIN.LESS THAN 5 PERCENT. TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH. MIXING HEIGHT.......5500-8000 FT AGL UNTIL 1200...THEN 11000-13500 FT AGL. SMOKE DISPERSAL.....VERY GOOD (112000-132000 KNOT-FT) UNTIL 1200...THEN EXCELLENT (228000-248000 KNOT-FT). HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 2400. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS UNTIL 2400. CHANCE OF PRECIPITATION 20 PERCENT. MIN TEMPERATURE.....59-64. 24 HR TREND......2 DEGREES WARMER. MAX HUMIDITY........56-62 PERCENT. 24 HR TREND......8 PERCENT DRIER. HUMIDITY RECOVERY...MODERATE. 20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 25 MPH. RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH. LAL.................2 UNTIL 2400...THEN 1. CHC OF WETTING RAIN.LESS THAN 5 PERCENT. TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH. MIXING HEIGHT.......9500-12000 FT AGL UNTIL 2400...THEN 4000-6000 FT AGL. SMOKE DISPERSAL.....EXCELLENT (204000-224000 KNOT-FT) UNTIL 2400...THEN VERY GOOD (100000-120000 KNOT-FT). HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200...THEN PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200. SOME THUNDERSTORMS MAY PRODUCE GUSTY WINDS AFTER 1200. CHANCE OF PRECIPITATION 20 PERCENT. MAX TEMPERATURE.....85-92. 24 HR TREND......2 DEGREES COOLER. MIN HUMIDITY........14 PERCENT. 24 HR TREND......1 PERCENT WETTER. 20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH. GUSTS UP TO 30 MPH UNTIL 1200...THEN 35 MPH. RIDGE TOP WINDS.....WEST 25 TO 30 MPH. LAL.................1 UNTIL 1200...THEN 2. CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200...THEN 10 PERCENT. TRANSPORT WINDS.....WEST 25 TO 30 MPH. MIXING HEIGHT.......5000-7500 FT AGL UNTIL 1200...THEN 10000-12500 FT AGL. SMOKE DISPERSAL.....VERY GOOD TO EXCELLENT (144000-164000 KNOT-FT) UNTIL 1200...THEN EXCELLENT (282000-302000 KNOT-FT). HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. .FORECAST DAYS 3 THROUGH 7...... .THURSDAY NIGHT...MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S. WEST WINDS AROUND 10 MPH. .FRIDAY...CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 10 MPH. .SATURDAY THROUGH SUNDAY...MOSTLY CLEAR. LOWS 51 TO 56. HIGHS 76 TO 81. EAST WINDS AROUND 10 MPH. .MONDAY THROUGH TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S.
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