FNUS75 KRIW 261546
FWSRIW

SPOT FORECAST FOR SUNLIGHT...BLM WOD
NATIONAL WEATHER SERVICE RIVERTON WY
946 AM MDT SUN APR 26 2009

FORECAST IS BASED ON REQUEST TIME OF 0918 MDT ON APRIL 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A LARGE SCALE TROUGH OVER THE NORTHERN ROCKIES WILL BRING NORTH
WINDS AS WELL AS THE CHANCE OF SHOWERS TO THE FIRE AREA THIS AFTERNOON
THROUGH LATE MONDAY MORNING.

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

FORECASTER...T.BAKER

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY THROUGH 1200...THEN INCREASING CLOUDS
                    WITH A CHANCE OF RAIN SHOWERS (30 PERCENT).
MAX TEMPERATURE.....AROUND 55.
MIN HUMIDITY........40-45 PERCENT.
20 FOOT WINDS.......NORTH WINDS 10-15 MPH. GUSTS UP TO 25 MPH.
RIDGE TOP WINDS.....NORTH WIND 12-17 MPH GUSTS TO 25 MPH.
LAL.................1.
CHC OF WETTING RAIN.10 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 3500 FT AGL AROUND 1300.
TRANSPORT WINDS.....NORTH 10 MPH.
SMOKE DISPERSAL.....POOR (35000 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........CLOUDY (80-90 PERCENT). CHANCE OF RAIN SHOWERS
                    IN THE EVENING...THEN CHANCE OF SNOW AFTER
                    MIDNIGHT.
MIN TEMPERATURE.....32-35.
MAX HUMIDITY........80-85 PERCENT.
20 FOOT WINDS.......NORTH WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH
                    UNTIL MIDNIGHT. THEN NORTH 5-10 MPH.
RIDGE TOP WINDS.....NORTH WINDS 12 TO 17 MPH. GUSTS UP TO 25 MPH
                    UNTIL MIDNIGHT. THEN NORTH 6-11 MPH.
LAL.................1.
CHC OF WETTING RAIN.15 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2000 FT AGL UNTIL 2100...THEN 500 FT AGL.
TRANSPORT WINDS.....NORTH 15 MPH UNTIL MIDNIGHT...THEN NORTH 10 MPH.
SMOKE DISPERSAL.....POOR (30000 KNOT-FT UNTIL 2100 THEN DECREASING TO
                    5000 KNOT-FT BY MIDNIGHT.)

.MONDAY...
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF RAIN AND
                    SNOW IN THE MORNING.
MAX TEMPERATURE.....50-53.
MIN HUMIDITY........37-40 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....SOUTH 5-10 MPH
LAL.................1
CHC OF WETTING RAIN.5 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4000 FT AGL.
TRANSPORT WINDS.....SOUTH 10 MPH.
SMOKE DISPERSAL.....FAIR (40000 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.MONDAY NIGHT...MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
EVENING...THEN CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE UPPER
30S. WINDS GENERALLY LESS THAN 10 MPH.
.TUESDAY...CLOUDY WITH CHANCE OF SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE MID 50S. WINDS
GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS. LOWS
IN THE LOWER 30S. HIGHS IN THE LOWER 50S. WINDS GENERALLY LESS
THAN 10 MPH.
.THURSDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. WINDS
GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...T.BAKER
REQUESTED BY...MYLES RICHARDS
REASON FOR REQUEST...WILDFIRE
.TAG 20090426.SUNLI.01/RIW