Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 111137
FWSRIW

SPOT FORECAST FOR SAND DRAW PILE RX...BUREAU OF LAND MANAGEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
437 AM MST THU DEC 11 2014

FORECAST IS BASED ON IGNITION TIME OF 1000 MST ON DECEMBER 11.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A BIT MORE SOUTHWEST WIND AT THE TOP OF THE MIXING
LAYER SHOULD ALLOW FOR MARGINAL FAIR MIXING IN THE AFTERNOON.
TEMPERATURES WILL TREND SIMILAR OR A COUPLE DEGREES WARMER THAN
WEDNESDAY AND RH`S WILL TREND SLIGHTLY LOWER. A BLANKET OF HIGH
CLOUDS WEST OF THE DIVIDE THIS MORNING SHOULD HOLD OFF UNTIL LATE
IN THE AFTERNOON BEFORE MOVING OVER THE AREA.

A WARM SOUTHWEST FLOW WILL REMAIN OVER THE AREA FRIDAY WITH FAIR
MIXING LIKELY AGAIN IN THE AFTERNOON. HIGH CLOUDS OVER THE AREA IN
THE MORNING SHOULD PUSH EAST OF THE AREA IN THE AFTERNOON.

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

FORECASTER...MEUNIER

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
MAX TEMPERATURE.....55-58.
MIN HUMIDITY........28-31 PERCENT.
20 FOOT WINDS.......EAST 4-8 MPH.
RIDGE TOP WINDS.....SOUTHEAST 5-10 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......800-1200 FT AGL IN THE MORNING...INCREASING TO 2600
                    FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH IN THE MORNING...SOUTH 15-20 MPH
                    IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR IN THE MORNING...FAIR (40,300 KNOT-FT) IN THE
                    AFTERNOON.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT).
MIN TEMPERATURE.....37-40.
MAX HUMIDITY........50-53 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....SOUTH 4 TO 8 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO BELOW 1000 FT AGL AT SUNSET.
TRANSPORT WINDS.....SOUTHEAST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR.

.FRIDAY...
SKY/WEATHER.........MOSTLY CLOUDY IN THE MORNING (60-70 PERCENT)...BECOMING
                    MOSTLY SUNNY (15-25 PERCENT) IN THE AFTERNOON.
MAX TEMPERATURE.....54-57.
MIN HUMIDITY........33-36 PERCENT.
20 FOOT WINDS.......EAST AROUND 5 MPH IN THE MORNING...SOUTHEAST 5 TO 10 MPH
                    IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTH 4 TO 8 MPH IN THE MORNING...INCREASING TO
                    10 TO 15 MPH IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......700-1200 FT AGL IN THE MORNING...INCREASING TO 2600
                    TO 2900 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 4 TO 8 MPH IN THE MORNING...INCREASING TO 15 TO
                    20 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR IN THE MORNING...FAIR (40,000-45,000 KNOT-FT) IN THE
                    AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY NIGHT...MOSTLY CLEAR. LOWS IN THE LOWER 30S. WINDS
GENERALLY LESS THAN 10 MPH.

.SATURDAY...COOLER. MOSTLY CLOUDY. CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE MID 40S. WINDS
GENERALLY LESS THAN 10 MPH.

.SUNDAY...COLDER. MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LOWS
AROUND 20. HIGHS IN THE LOWER 30S. WINDS GENERALLY LESS THAN
10 MPH.

.MONDAY...PARTLY CLOUDY. LOWS AROUND 17. HIGHS IN THE MID 30S.
WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...ANDY ROTHLEUTNER
REASON FOR REQUEST...PRESCRIBED
.TAG 20141210.SANDD.02/RIW







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