FNUS75 KRIW 051605
FWSRIW

SPOT FORECAST FOR SAND DRAW...BLM WOD
NATIONAL WEATHER SERVICE RIVERTON WY
905 AM MST THU MAR 5 2009

FORECAST IS BASED ON IGNITION TIME OF 0930 MST ON MARCH 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A WEAK UPPER LEVEL STORM SYSTEM WILL CONTINUE TO PRODUCE ISOLATED
SNOW SHOWERS OVER AND NEAR THE BIG HORN MOUNTAINS. BREEZY WEST
WIND WILL DEVELOP AROUND MIDDAY WITH LITTLE CHANGE IN TEMPERATURE
AS COLD AIR CONTINUES TO FILTER IN FROM THE WEST. A STRONGER PACIFIC
SYSTEM WILL MOVE IN FROM THE NORTHWEST FRIDAY AFTERNOON...BRINGING WITH
IT SCATTERED SNOW SHOWERS BY LATE FRIDAY AFTERNOON.

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

FORECASTER...CHURCH

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). ISOLATED SNOW
                    SHOWERS.
MAX TEMPERATURE.....36-40.
MIN HUMIDITY........56-61 PERCENT.
20 FOOT WINDS.......NORTH/NORTHWEST 2 TO 5 MPH BECOMING WEST 11 TO
                    15 MPH WITH GUSTS TO AROUND 25 MPH BETWEEN
                    1100 AND 1300.

RIDGE TOP WINDS.....WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH
HAINES INDEX........3. LOW.
MIXING HEIGHT.......11260 FT MSL.
TRANSPORT WINDS.....WEST 20 TO 30 MPH.
SMOKE DISPERSAL.....EXCELLENT UNTIL APPROXIMATELY 2100 THEN POOR.

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (25-40 PERCENT).
MIN TEMPERATURE.....23-27.
MAX HUMIDITY........76-81 PERCENT.
20 FOOT WINDS.......SOUTHWEST WINDS 6 TO 11 MPH WITH GUSTS TO AROUND 25
                    MPH IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY
                    4-7 MPH AFTER MIDNIGHT.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.
HAINES INDEX........3. LOW.
MIXING HEIGHT.......1200.
TRANSPORT WINDS.....WEST/SOUTHWEST 10 TO 20 MPH.
SMOKE DISPERSAL.....POOR AFTER APPROXIMATELY 2100.

.FRIDAY...
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) IN THE MORNING BECOMING
                    MOSTLY CLOUDY (60-75 PERCENT) IN THE AFTERNOON.
                    SLIGHT CHANCE OF SNOW SHOWERS IN THE MORNING. CHANCE
                    SNOW SHOWERS IN THE AFTERNOON.
MAX TEMPERATURE.....37-41.
MIN HUMIDITY........39-44 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 3-7 MPH BECOMING NORTH/NORTHEAST 10
                    TO 14 MPH WITH GUSTS TO 22 MPH AROUND 1300.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH BECOMING NORTH/NORTHEAST 10 TO
                    20 MPH AFTER 1500.
HAINES INDEX........3. LOW
MIXING HEIGHT.......9365 FT MSL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 20 MPH.
SMOKE DISPERSAL.....GOOD.

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY NIGHT...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS IN
THE EVENING...THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND 18.
WINDS GENERALLY LESS THAN 10 MPH.
.SATURDAY...PARTLY CLOUDY. LOWS AROUND 18. HIGHS IN THE UPPER
30S. WINDS GENERALLY LESS THAN 10 MPH.
.SUNDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS AROUND 15.
HIGHS IN THE MID 30S. WINDS GENERALLY LESS THAN 10 MPH.
.MONDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS AROUND 10.
HIGHS IN THE UPPER 20S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...CHURCH
REQUESTED BY...ANDY ROTHLEUTNER
REASON FOR REQUEST...PRESCRIBED
.TAG 20090305.SANDD.01/RIW