Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 201835
FWSRIW

SPOT FORECAST FOR WEST SLOPE BIGHORN PILE RX...BUREAU OF LAND MANAGEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
1135 AM MST TUE JAN 20 2015

FORECAST IS BASED ON IGNITION TIME OF 1200 MST ON JANUARY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...BEST CONDITIONS UNFORTUNATELY TODAY...WITH COLD AIR
ADVECTING INTO THE REGION TODAY/TONIGHT...AND RELATIVELY
STRONG INVERSIONS EXPECTED BOTH WEDNESDAY AND THURSDAY. MIXING
HEIGHTS ACCORDINGLY LOW BOTH DAYS ALONG WITH POOR SMOKE DISPERSAL.
FRIDAY LOOKS SLIGHTLY...BUT NOT SIGNIFICANTLY...BETTER AT THE MOMENT.

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

FORECASTER...BRAUN

.WEDNESDAY...
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND UPPER 20S TO NEAR 30.
MIN HUMIDITY........50-53 PERCENT.
20 FOOT WINDS.......NUETRAL OR DOWNSLOPE 4-8 MPH.
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1000-2100 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 13 MPH.
SMOKE DISPERSAL.....POOR (11600-17300 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY NIGHT...CLEAR. LOWS AROUND 13. WINDS GENERALLY LESS
THAN 10 MPH.
.THURSDAY...PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE
UPPER 30S. WINDS GENERALLY LESS THAN 10 MPH.
.FRIDAY...PARTLY CLOUDY. LOWS AROUND 20. HIGHS IN THE MID 30S.
WINDS GENERALLY LESS THAN 10 MPH.
.SATURDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS IN THE
LOWER 20S. HIGHS IN THE UPPER 30S. WINDS GENERALLY LESS THAN
10 MPH.

$$

FORECASTER...BRAUN
REQUESTED BY...MICHAEL MATTMILLER
REASON FOR REQUEST...PRESCRIBED
.TAG 20150121.WESTS.01/RIW





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