FNUS75 KRIW 171156
FWSRIW

SPOT FORECAST FOR SABRES...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
456 AM MST WED FEB 17 2010

FORECAST IS BASED ON IGNITION TIME OF 1000 MST ON FEBRUARY 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A NORTHWEST FLOW WILL REMAIN OVER THE AREA TODAY
WITH INCREASING CLOUDS THROUGH THE AFTERNOON.  A COLD FRONT WILL MOVE
SOUTH ACROSS THE AREA EARLY THIS EVENING...AROUND 1900...WITH
AREAS OF LIGHT SNOW SPREADING IN BEHIND THE FRONT OVERNIGHT.


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

FORECASTER...MEUNIER

.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT).  A CHANCE OF LIGHT SNOW
                    AFTER 1500.
MAX TEMPERATURE.....33-36.
MIN HUMIDITY........41-44 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS 20 TO 25 MPH.
RIDGE TOP WINDS.....WEST AROUND 10 MPH.
MIXING HEIGHT.......2900 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 8 MPH.
SMOKE DISPERSAL.....POOR (16600-20400 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........CLOUDY (90-100 PERCENT). SNOW LIKELY IN THE
                    EVENING...THEN SNOW AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 20.
MAX HUMIDITY........84-87 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 9 MPH EARLY IN THE EVENING
                    BECOMING DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP
                    TO 15 MPH.
RIDGE TOP WINDS.....WEST AROUND 5 MPH EARLY IN THE EVENING BECOMING
                    LIGHT AND VARIABLE...THEN BECOMING EAST AROUND
                    5 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......2400 FT AGL.
TRANSPORT WINDS.....LIGHT AND VARIABLE WINDS BECOMING NORTH AROUND
                    6 MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....POOR (7200-12200 KNOT-FT).

.THURSDAY...
SKY/WEATHER.........CLOUDY (85-95 PERCENT). SNOW LIKELY.
MAX TEMPERATURE.....29-32.
MIN HUMIDITY........58-61 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH. GUSTS UP TO 15 MPH
                    LATE IN THE AFTERNOON.
RIDGE TOP WINDS.....NORTHEAST AROUND 5 MPH.
MIXING HEIGHT.......2700-3700 FT AGL.
TRANSPORT WINDS.....NORTH 7 TO 8 MPH.
SMOKE DISPERSAL.....POOR (16400-25600 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...CLOUDY. CHANCE OF SNOW IN THE EVENING...THEN
SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND 16. WINDS
GENERALLY LESS THAN 10 MPH.
.FRIDAY...CLOUDY WITH CHANCE OF SNOW. LOWS AROUND 14. HIGHS IN
THE UPPER 20S. WINDS GENERALLY LESS THAN 10 MPH.
.SATURDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS AROUND 13.
HIGHS IN THE UPPER 20S. WINDS GENERALLY LESS THAN 10 MPH.
.SUNDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LOWS AROUND
15. HIGHS IN THE UPPER 20S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...M  WOODS
REASON FOR REQUEST...PRESCRIBED
.TAG 20100217.SABRE.01/RIW