FNUS75 KRIW 171423
FWSRIW

SPOT FORECAST FOR SAND DRAW...BLM WOD
NATIONAL WEATHER SERVICE RIVERTON WY
823 AM MDT WED MAR 17 2010

FORECAST IS BASED ON IGNITION TIME OF 0820 MDT ON MARCH 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
UPPER RIDGE OF HIGH PRESSURE WILL BEGIN TO SHIFT EAST TODAY. WINDS
TODAY WILL BE SLOPE DRIVEN...UNTIL LATE AFTERNOON. A COLD FRONT
WILL THEN COME THROUGH SHIFTING THE WIND OUT OF THE NORTH...AS
EARLY AS 1500. WILL SEE PLENTIFUL HIGH CLOUDS MOVE ACROSS THE BURN AREA
TODAY. A CHANGE BACK TO WINTER COMES THURSDAY AND FRIDAY...WITH
SCATTERED TO NUMEROUS RAIN AND SNOW SHOWERS.

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

FORECASTER...T.BAKER

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT).
MAX TEMPERATURE.....60-65.
MIN HUMIDITY........15-17 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-10 MPH...SHIFTING NORTHWEST TO
                    NORTH BETWEEN 1500 AND 1700.
LAL.................1.
CWR.................ZERO PERCENT.
HAINES INDEX........4.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10 MPH.
SMOKE DISPERSAL.....GOOD (60000 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF
                    RAIN SHOWERS AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........61-64 PERCENT.
WIND (20 FT)........NORTHWEST TO NORTH 5 TO 10 MPH.
LAL.................1.
CWR.................5 PERCENT.
HAINES INDEX........3.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST TO NORTH 10 MPH.
SMOKE DISPERSAL.....POOR (10000 KNOT-FT).

.THURSDAY...
SKY/WEATHER.........CLOUDY (85-95 PERCENT). SCATTERED TO NUMEROUS RAIN
                    AND SNOW SHOWERS.
MAX TEMPERATURE.....40-44.
MIN HUMIDITY........45-48 PERCENT.
WIND (20 FT)........NORTHWEST TO NORTH 10-15 MPH.
LAL.................1.
CWR.................60 PERCENT.
HAINES INDEX........2.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....NORTH 10 MPH.
SMOKE DISPERSAL.....POOR (10000 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...COLDER. SNOW LIKELY. LOWS IN THE MID 20S. WINDS
GENERALLY LESS THAN 10 MPH.
.FRIDAY...COLDER. MOSTLY CLOUDY. CHANCE OF SNOW. LOWS AROUND 16.
HIGHS IN THE LOWER 30S. WINDS GENERALLY LESS THAN 10 MPH.
.SATURDAY...PARTLY CLOUDY. LOWS AROUND 18. HIGHS IN THE UPPER
30S. WINDS GENERALLY LESS THAN 10 MPH.
.SUNDAY...NOT AS COOL. PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS
IN THE UPPER 40S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...T.BAKER
REQUESTED BY...GABE HARRY
REASON FOR REQUEST...PRESCRIBED
.TAG 20100317.SANDD.01/RIW