FNUS75 KRIW 132328
FWSRIW

SPOT FORECAST FOR HUNTER RX...IA TDC
NATIONAL WEATHER SERVICE RIVERTON WY
528 PM MDT TUE SEP 13 2011

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON SEPTEMBER 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

THURSDAY WILL BE THE DRIEST OF THE TWO DAYS...BUT A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS WILL STILL EXIST. A BETTER CHANCE FOR
SHOWERS AND THUNDERSTORMS ARE EXPECTED FRIDAY AFTERNOON AND FRIDAY
NIGHT...AS A TROUGH AND ASSOCIATED COLD FRONT MOVE ACROSS THE
AREA. AT THE MOMENT...IT APPEARS THE COLD FRONT WILL MOVE ACROSS
THE BURN AREA AROUND MIDDAY ON FRIDAY. COOLER AND DRY CONDITIONS
ARE THEN EXPECTED SATURDAY. LIGHT AND TERRAIN DRIVEN WINDS ARE
EXPECTED THURSDAY...UNLESS THE AREA GETS AFFECTED BY A STRAY SHOWER
OR THUNDERSTORM. STRONGER WINDS ARE EXPECTED FRIDAY...ESPECIALLY
IN WAKE OF THE COLD FRONT.

...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS...
...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT...

FORECASTER...MURRELL

.THURSDAY...
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (30-40 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........22-27 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY OR SOUTH SOUTHWEST 4-8 MPH.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTH SOUTHEAST AROUND 5 MPH SHIFTING TO THE
                    WEST SOUTHWEST AROUND 10 MPH BETWEEN 1200 AND
                    1400.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.NEAR ZERO.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1700 FT AGL INCREASING TO 6800 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH AROUND 5 MPH...BECOMING WEST 10 TO 15 MPH
                    BETWEEN NOON AND 1400.
SMOKE DISPERSAL.....POOR (8800 KNOT-FT) INCREASING TO GOOD (81200
                    KNOT-FT) IN THE AFTERNOON.

.THURSDAY NIGHT...
SKY/WEATHER.........MOSTLY CLEAR (25-35 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........70-75 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    EVENING.
RIDGE TOP WINDS.....WEST AROUND 10 MPH SHIFTING TO THE SOUTH
                    BY MIDNIGHT.
LAL.................2 UNTIL 2400...THEN 1.
CHC OF WETTING RAIN.NEAR ZERO.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4000-5000 FT AGL DECREASING TO 800 FT AGL
                    BY MIDNIGHT.
TRANSPORT WINDS.....WEST AROUND 10 MPH SHIFTING TO THE SOUTH
                    BY MIDNIGHT.
SMOKE DISPERSAL.....FAIR (56600 KNOT-FT) DECREASING TO POOR (2100
                    KNOT-FT) BY 2100.

.FRIDAY...
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE MORNING...THEN
                    A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........30-35 PERCENT.
20 FOOT WINDS.......SOUTH 4-8 MPH BECOMING SOUTHWEST TO WEST 10
                    TO 15 MPH IN THE AFTERNOON. GUSTS TO 25 MPH
                    IN THE AFTERNOON. GUSTIER AND ERRATIC WINDS
                    EXPECTED NEAR ANY THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTH SOUTHEAST 5-10 MPH INCREASING
                    TO SOUTHWEST TO WEST 10-15 MPH IN THE AFTERNOON.
LAL.................2 UNTIL 1200...THEN 4.
CHC OF WETTING RAIN.10 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4000-5000 FT AGL.
TRANSPORT WINDS.....SOUTH SOUTHEAST AROUND 10 MPH SHIFTING TO THE
                    SOUTHWEST AROUND 15 MPH BY AFTERNOON.
SMOKE DISPERSAL.....FAIR TO GOOD (43100-74700 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY NIGHT...CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 30S. WINDS GENERALLY LESS THAN 10 MPH.

.SATURDAY...MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 30S. HIGHS IN THE UPPER 60S. WINDS GENERALLY LESS
THAN 10 MPH.

.SUNDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE MID 60S. WINDS
GENERALLY LESS THAN 10 MPH.

.MONDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS
AROUND 30. HIGHS IN THE MID 60S. WINDS GENERALLY LESS THAN
10 MPH.

$$

FORECASTER...MURRELL
REQUESTED BY...HEATHER MCDONALD
REASON FOR REQUEST...PRESCRIBED
.TAG 20110915.HUNTE.01/RIW