FNUS75 KRIW 171230
FWSRIW

SPOT FORECAST FOR ANTHONY TIMBERS...BLM
NATIONAL WEATHER SERVICE RIVERTON WY
530 AM MST THU DEC 17 2009

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

.DISCUSSION...AN UPPER LEVEL DISTURBANCE WILL MOVE ACROSS THE AREA
THIS AFTERNOON IN A NORTHWEST FLOW. ONLY ISOLATED TO SCATTERED SNOW
SHOWERS WERE OBSERVED WITH THIS SYSTEM THIS MORNING WITH THESE
SNOW SHOWERS EXPECTED TO MOVE ACROSS THE AREA MAINLY IN THE
AFTERNOON...WITH A WEAK COLD FRONT MOVING THROUGH THE AREA BETWEEN
2 PM AND 4 PM. A RIDGE OF HIGH PRESSURE WILL BUILD IN TONIGHT AND
FRIDAY BRINGING DRY AND WARMER WEATHER.


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

FORECASTER...MEUNIER

.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). A SLIGHT CHANCE OF SNOW
                    IN THE MORNING...THEN SCATTERED SNOW SHOWERS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....29-32.
MIN HUMIDITY........47-50 PERCENT.
20 FOOT WINDS.......EAST NORTHEAST 5-9 MPH IN THE MORNING BECOMING WEST NORTHWEST
                    5 TO 10 MPH IN THE AFTERNOON.
RIDGE TOP WINDS.....NORTHWEST 5 TO 10 MPH.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2100-2600 FT AGL.
TRANSPORT WINDS.....NORTHWEST 9 TO 15 MPH.
SMOKE DISPERSAL.....POOR (17000-33200 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT)...CLEARING AFTER MIDNIGHT.
                    WIDELY SCATTERED SNOW SHOWERS IN THE EVENING.
MIN TEMPERATURE.....AROUND 20.
MAX HUMIDITY........71-74 PERCENT.
20 FOOT WINDS.......WEST NORTHWEST 4-7 MPH IN THE EVENING...BECOMING
                    EAST NORTHEAST AFTER MIDNIGHT.
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH SHIFTING TO THE NORTH
                    AROUND 5 MPH EARLY IN THE MORNING.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2000 FT AGL...DECREASING TO 500 FT AGL AFTER 8 PM.
TRANSPORT WINDS.....NORTHWEST 12 TO 15 MPH.
SMOKE DISPERSAL.....POOR (19200-27300 KNOT-FT).

.FRIDAY...
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
MAX TEMPERATURE.....30-33.
MIN HUMIDITY........34-37 PERCENT.
20 FOOT WINDS.......EAST NORTHEAST 5-9 MPH IN THE MORNING BECOMING WEST NORTHWEST
                    IN THE AFTERNOON.
RIDGE TOP WINDS.....NORTHWEST AROUND 5 MPH.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1600-2100 FT AGL.
TRANSPORT WINDS.....WEST 9 TO 12 MPH.
SMOKE DISPERSAL.....POOR (16000-17400 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY NIGHT...PARTLY CLOUDY. LOWS IN THE LOWER 20S. WINDS
GENERALLY LESS THAN 10 MPH.
.SATURDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LOWS AROUND
16. HIGHS IN THE LOWER 30S. WINDS GENERALLY LESS THAN 10 MPH.
.SUNDAY...PARTLY CLOUDY. LOWS AROUND 20. HIGHS AROUND 30. WINDS
GENERALLY LESS THAN 10 MPH.
.MONDAY...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LOWS IN THE
LOWER 20S. HIGHS IN THE LOWER 30S. WINDS GENERALLY LESS THAN
10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...GABE HARRY
REASON FOR REQUEST...PRESCRIBED
.TAG 20091217.ANTHO.01/RIW