Suppression Forecast
Issued by NWS Riverton, WY

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FNUS75 KRIW 211845
FWSRIW

SPOT FORECAST FOR NORTH LITTLE MTN RX...BLM WOD
NATIONAL WEATHER SERVICE RIVERTON WY
1245 PM MDT MON APR 21 2014

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

.DISCUSSION...A RIDGE OF HIGH PRESSURE ALOFT WILL MOVE OVER THE AREA
TODAY WITH DRY CONDITIONS AND GENERALLY TERRAIN DRIVEN UPSLOPE/UPVALLEY
WINDS. WINDS WILL INCREASE CONSIDERABLY ON TUESDAY AND BECOME QUITE STRONG
OUT OF THE SOUTH OR SOUTHEAST AS THE DAY WEARS ON ALONG WITH ISOLATED
SHOWERS AND THUNDERSTORMS. A STRONG COLD FRONT WILL BLAST EAST ACROSS THE
AREA TUESDAY NIGHT.


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

FORECASTER...SKRBAC

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
MAX TEMPERATURE.....63-66.
MIN HUMIDITY........17-20 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 6-12 MPH.
RIDGE TOP WINDS.....SOUTH 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.......4000 FT AGL INCREASING TO 5000-6000 FT AGL
                    AFTER 1500L.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
SMOKE DISPERSAL.....FAIR BECOMING GOOD AFTER 1500L (45000-66800 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (55-65 PERCENT).
MIN TEMPERATURE.....44-47.
MAX HUMIDITY........47-50 PERCENT.
20 FOOT WINDS.......SOUTH TO SOUTHEAST WINDS 8 TO 11 MPH WITH GUSTS TO
                    18 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......3300-4300 FT AGL DECREASING TO 900-1700 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTH 16 TO 20 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (20300-52800 KNOT-FT).

.TUESDAY...
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT). SLIGHT CHANCE OF
                    RAIN SHOWERS AND ISOLATED THUNDERSTORMS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........17-20 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTH 18 TO
                    20 MPH WITH GUSTS TO AROUND 35 MPH IN THE
                    AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH INCREASING TO 25 TO 30 MPH
                    IN THE AFTERNOON.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2200-3200 FT AGL INCREASING TO 6500-7500 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH AROUND 16 MPH INCREASING TO 26 TO 30 MPH
                    IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR (49900 KNOT-FT) INCREASING TO EXCELLENT
                    (200000 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.TUESDAY NIGHT...MOSTLY CLOUDY. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 30S. SOUTH WINDS AROUND 15 MPH.
.WEDNESDAY...MUCH COLDER. MOSTLY CLOUDY WITH CHANCE OF SHOWERS
AND SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE MID 40S.
SOUTHWEST WINDS AROUND 10 MPH.
.THURSDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE MID 30S. HIGHS AROUND 50. WEST WINDS AROUND
10 MPH.
.FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN
THE UPPER 30S. HIGHS IN THE MID 50S. WINDS GENERALLY LESS THAN
10 MPH.

$$

FORECASTER...SKRBAC
REQUESTED BY...MONONI
REASON FOR REQUEST...PRESCRIBED
.TAG 20140421.NORTH.01/RIW







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