FNUS75 KRIW 041653
FWSRIW

SPOT FORECAST FOR PLAINS EXEWRCISE DRILL...SWEETWATER CO. FIRE DIST 1
NATIONAL WEATHER SERVICE RIVERTON WY
953 AM MST TUE DEC 4 2012

FORECAST IS BASED ON INCIDENT TIME OF 0923 MST ON DECEMBER 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
MOSTLY CLOUDY TODAY WITH WINDS FAVORING A SOUTH TO SOUTHWEST DIRECTION
AT 5 TO 10 MPH. LITTLE CHANGE IN WIND SPEED OR DIRECTION TONIGHT. WINDS
WILL TURN MORE WEST TO SOUTHWEST ON WEDNESDAY AND INCREASE DURING THE
DAY. A WEATHER DISTURBANCE WILL MOVE IN WEDNESDAY NIGHT WITH SOME WIND
AND LIGHT SNOW EXPECTED. A WEAKER SYSTEM WILL BRING A SLIGHT CHANCE OF
SNOW TONIGHT WITH A MIXTURE POSSIBLE ON WEDNESDAY BUT THIS SYSTEM IS
RATHER WEAK.

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

FORECASTER...SKRBAC

.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT).
MAX TEMPERATURE.....40-42.
MIN HUMIDITY........39-43 PERCENT.
20 FOOT WINDS.......SOUTH TO SOUTHWEST 5 TO 10 MPH.
RIDGE TOP WINDS.....SOUTH TO SOUTHWEST 7 TO 14 MPH.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF
                    SNOW AFTER MIDNIGHT.
MIN TEMPERATURE.....31-34.
MAX HUMIDITY........94-97 PERCENT.
20 FOOT WINDS.......SOUTH TO SOUTHWEST WINDS 8 TO 10 MPH.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH WITH SOME GUSTS TO 20 MPH
                    TOWARDS MORNING.

.WEDNESDAY...
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF
                    SNOW IN THE MORNING...THEN CHANCE OF RAIN IN
                    THE AFTERNOON.
MAX TEMPERATURE.....46-49.
MIN HUMIDITY........62-65 PERCENT.
20 FOOT WINDS.......SOUTHWEST 10 TO 15 MPH BECOMING WEST AROUND
                    18 MPH WITH GUSTS TO AROUND 35 MPH LATE IN THE
                    AFTERNOON.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH WITH GUSTS TO 35 MPH.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY NIGHT...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER
MIDNIGHT. LOWS IN THE UPPER 20S. WEST WINDS AROUND 13 MPH.
.THURSDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN
THE LOWER 20S. HIGHS IN THE LOWER 40S. WEST WINDS AROUND 10 MPH.
.FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LOWS IN THE
LOWER 20S. HIGHS IN THE MID 30S. WEST WINDS AROUND 10 MPH.
.SATURDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LOWS AROUND
13. HIGHS IN THE LOWER 30S. WEST WINDS AROUND 10 MPH.

$$

FORECASTER...SKRBAC
REQUESTED BY...JIM WAMSLEY
REASON FOR REQUEST...HAZMAT
.TAG 20121204.PLAIN.01/RIW