FNUS75 KRIW 310050
FWSRIW

SPOT FORECAST FOR BTF WEST ZONE PILES...USFS - KEMMERER RD
NATIONAL WEATHER SERVICE RIVERTON WY
650 PM MDT TUE OCT 30 2012

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON OCTOBER 31.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

DRY AND MILD CONDITIONS WILL OCCUR TODAY...WITH A MAINLY TERRAIN
DRIVEN WIND EXPECTED TO BECOME SOUTHWEST IN THE EARLY AFTERNOON. A
STORM SYSTEM SLIDING NORTH OF THE AREA THURSDAY AND FRIDAY...WILL
RESULT IN A COLD FRONT PUSHING ACROSS THE FIRE SITE AROUND MIDDAY
THURSDAY. BREEZY SOUTHWEST WINDS ARE EXPECTED AHEAD OF THE FRONT
WITH BREEZY TO WINDY WEST WINDS IN WAKE OF THE FRONT THURSDAY
AFTERNOON AND EVENING. MOST OF THE PRECIPITATION WITH THIS SYSTEM IS
EXPECTED TO REMAIN NORTH OF THE FIRE SITE.

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

FORECASTER...MURRELL

.WEDNESDAY...
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). CONSIDERABLE HIGH
                    CLOUDS AT TIMES.
MAX TEMPERATURE.....55.
MIN HUMIDITY........25 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 3-7 MPH BY 10 AM...THEN BECOMING
                    SOUTH TO SOUTHWEST AROUND 10 MPH BETWEEN NOON
                    AND 2 PM. GUSTS UP TO 18 MPH IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST 10-15 MPH.
MIXING HEIGHT.......500 FT AGL...INCREASING TO 4200 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....POOR INCREASING TO FAIR (48000 KNOT-FT) BY
                    EARLY AFTERNOON.

.WEDNESDAY NIGHT...
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
MIN TEMPERATURE.....32.
MAX HUMIDITY........60 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....SOUTHWEST 10-15 MPH.
MIXING HEIGHT.......DECREASING TO 500 FT AGL AROUND 7 PM.
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR BY 7 PM.

.THURSDAY...
SKY/WEATHER.........PARTLY CLOUDY (50 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (75 PERCENT). SLIGHT CHANCE OF
                    RAIN SHOWERS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 50.
MIN HUMIDITY........25-30 PERCENT EARLY....INCREASING IN THE MID TO
                    LATE AFTERNOON TO 40-50 PERCENT.
20 FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH...BECOMING WEST
                    AROUND NOON. GUSTS 25-30 MPH IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST 15-20 MPH...BECOMING WEST IN THE
                    AFTERNOON.
MIXING HEIGHT.......4000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 15-20 MPH...BECOMING WEST IN THE
                    AFTERNOON.
SMOKE DISPERSAL.....POOR IN THE MORNING INCREASING TO GOOD (63000
                    KNOT-FT) BY MIDDAY.

.FORECAST DAYS 3 THROUGH 5...

.THURSDAY NIGHT...CLOUDY. CHANCE OF SHOWERS AND SNOW SHOWERS IN
THE EVENING...THEN CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. LOWS IN
THE UPPER 20S. WEST WINDS 10-15 MPH...DECREASING BY MIDNIGHT. LITTLE
OR NO SNOW ACCUMULATION EXPECTED.

.FRIDAY...COLDER. CLOUDY WITH CHANCE OF SNOW SHOWERS. HIGHS IN THE
UPPER 30S. WINDS GENERALLY LESS THAN 10 MPH. NO SNOW ACCUMULATION
EXPECTED.

.SATURDAY...PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE
LOWER 40S. WINDS GENERALLY LESS THAN 10 MPH.

.SUNDAY...PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE MID
40S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MURRELL
REQUESTED BY...STEVE MARKASON
REASON FOR REQUEST...PRESCRIBED
.TAG 20121031.BTFWE.02/RIW