FNUS75 KRIW 211353
FWSRIW

SPOT FORECAST FOR SAND DRAW...BLM WOD
NATIONAL WEATHER SERVICE RIVERTON WY
653 AM MST WED JAN 21 2009

FORECAST IS BASED ON IGNITION TIME OF 1030 MST ON JANUARY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...ANOTHER DAY OF HIGH PRESSURE ALOFT...SUNNY SKIES AND
WARM TEMPERATURES WILL PREVAIL TODAY ALONG WITH LIGHT WIND. A
CLIPPER SYSTEM WILL PUSH A CANADIAN COLD FRONT THROUGH THE AREA
AROUND SUNSET THURSDAY EVENING.



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

FORECASTER...MEUNIER

.TODAY...
SKY/WEATHER.........SUNNY (0 PERCENT).
MAX TEMPERATURE.....51-54.
MIN HUMIDITY........8-12 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 3 TO 5 MPH.
RIDGE TOP WINDS.....LIGHT AND VARIABLE WINDS.
MIXING HEIGHT.......1100-1900 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 10 MPH.
SMOKE DISPERSAL.....POOR (6600-17200 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
MIN TEMPERATURE.....34-37.
MAX HUMIDITY........51-54 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....NORTH AROUND 5 MPH.
MIXING HEIGHT.......300-1100 FT AGL.
TRANSPORT WINDS.....WEST AROUND 7 MPH IN THE EVENING BECOMING LIGHT
                    AND VARIABLE.
SMOKE DISPERSAL.....POOR (0-6700 KNOT-FT).

.THURSDAY...
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT).
MAX TEMPERATURE.....43-46.
MIN HUMIDITY........25-28 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....NORTH AROUND 5 MPH IN THE MORNING BECOMING
                    LIGHT AND VARIABLE.
MIXING HEIGHT.......1100-1900 FT AGL.
TRANSPORT WINDS.....NORTHWEST 9 TO 12 MPH.
SMOKE DISPERSAL.....POOR (9100-19300 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...COLDER. MOSTLY CLOUDY WITH SLIGHT CHANCE OF
SNOW. LOWS IN THE MID 20S. WINDS GENERALLY LESS THAN 10 MPH.
.FRIDAY...COLDER. MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LOWS
AROUND 18. HIGHS AROUND 30. WINDS GENERALLY LESS THAN 10 MPH.
.SATURDAY...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LOWS AROUND
11. HIGHS IN THE MID 20S. WINDS GENERALLY LESS THAN 10 MPH.
.SUNDAY...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LOWS AROUND
11. HIGHS AROUND 17. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...ANDY ROTHLEUTNERT
REASON FOR REQUEST...PRESCRIBED
.TAG 20090121.SANDD.01/RIW