FNUS75 KRIW 161746
FWSRIW

SPOT FORECAST FOR FONTENELLE WILLOW...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
1146 AM MDT FRI APR 16 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON APRIL 16.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

MOISTURE WILL INCREASE ACROSS THE AREA THIS AFTERNOON WITH ISOLATED
AFTERNOON SHOWERS AND THUNDERSTORMS. ANY SHOWER OR THUNDERSTORM WILL
LIKELY PRODUCE ONLY A FEW HUNDREDTHS OF AN INCH OF RAIN. WEAK LOW
PRESSURE WILL MOVE TO THE NORTH OF THE AREA THROUGH NORTHWESTERN
WYOMING TONIGHT WITH A FEW SHOWERS POSSIBLE OVERNIGHT. CLOUDS WILL
PERSIST SATURDAY ACROSS THE REGION WITH ISOLATED SHOWERS AND
ISOLATED AFTERNOON THUNDERSTORMS. THERE WILL BE A BETTER CHANCE OF
WETTING RAINFALL SATURDAY.

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

FORECASTER...SMITH

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (70-80 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....52-55.
MIN HUMIDITY........21-24 PERCENT.
WIND (20 FT)........EAST WINDS 5-9 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTHEAST 15 TO 20 MPH.
LAL.................1 UNTIL 1500...THEN 2.
CWR.................5 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 15 TO 20 MPH.
SMOKE DISPERSAL.....GOOD (68400 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........CLOUDY (80-90 PERCENT). ISOLATED RAIN SHOWERS
                    THROUGH THE NIGHT. ISOLATED SNOW SHOWERS AFTER
                    MIDNIGHT.
MIN TEMPERATURE.....32-36.
MAX HUMIDITY........78-81 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5-10 MPH...BECOMING DOWNSLOPE/DOWNVALLEY
                    4-7 MPH AFTER MIDNIGHT.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.
LAL.................1
CWR.................3 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......3500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 12 TO 15 MPH.
SMOKE DISPERSAL.....FAIR (48900 KNOT-FT).

.SATURDAY...
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). ISOLATED RAIN
                    SHOWERS IN THE MORNING...THEN SCATTERED RAIN
                    SHOWERS AND ISOLATED THUNDERSTORMS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....56-59.
MIN HUMIDITY........27-30 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    AFTERNOON.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.
LAL.................1...THEN 2 AFTER 1300 LDT.
CWR.................15 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH SHIFTING TO THE WEST AROUND
                    15 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR (42200 KNOT-FT)...THEN GOOD (63500 KNOT-FT) AFTER
                    1500 LDT.

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY NIGHT...PARTLY CLOUDY. LOWS IN THE LOWER 30S. WINDS
GENERALLY LESS THAN 10 MPH.
.SUNDAY...PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE
LOWER 60S. WINDS GENERALLY LESS THAN 10 MPH.
.MONDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 50S. WINDS
GENERALLY LESS THAN 10 MPH.
.TUESDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS AROUND 30. HIGHS AROUND 60. WINDS GENERALLY LESS
THAN 10 MPH.

$$

FORECASTER...SMITH
REQUESTED BY...LOCKWOOD
REASON FOR REQUEST...PRESCRIBED
.TAG 20100416.FONTE.01/RIW