FNUS75 KRIW 191348
FWSRIW

SPOT FORECAST FOR WEST TWIN CREEK...USFS SHOSHONE NF WAPITI DISTRICT
NATIONAL WEATHER SERVICE RIVERTON WY
748 AM MDT THU MAY 19 2011

FORECAST IS BASED ON IGNITION TIME OF 0750 MDT ON MAY 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...WINTER STORM WARNING IN EFFECT UNTIL NOON MDT FRIDAY...

.DISCUSSION...

A POTENT SPRING STORM WILL BRING SIGNIFICANT SNOWFALL...1
FOOT PLUS...TO THE BURN AREA TODAY THROUGH FRIDAY. GUSTY NORTHEAST
WINDS ARE EXPECTED TODAY...SHIFTING TO THE NORTHWEST FRIDAY.

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

FORECASTER...T.BAKER

.TODAY...
SKY/WEATHER.........CLOUDY (95-100 PERCENT). SNOW.
MAX TEMPERATURE.....34-37.
MIN HUMIDITY........65-68 PERCENT.
20 FOOT WINDS.......NORTHEAST 10 TO 15 MPH GUSTS 25 MPH.
RIDGE TOP WINDS.....NORTHEAST AROUND 20 MPH.

.TONIGHT...
SKY/WEATHER.........CLOUDY (95-100 PERCENT). SNOW.
MIN TEMPERATURE.....AROUND 30.
MAX HUMIDITY........NEAR 100 PERCENT PERCENT.
20 FOOT WINDS.......NORTHEAST WINDS AROUND 10-15 MPH WITH GUSTS TO
                    AROUND 25 MPH SHIFTING NORTH GRADUALLY OVERNIGHT.
RIDGE TOP WINDS.....NORTHEAST AROUND 20 MPH GRADUALLY SHIFTING TO THE
                    NORTH OVERNIGHT.

.FRIDAY...
SKY/WEATHER.........CLOUDY (95-100 PERCENT). SNOW.
MAX TEMPERATURE.....46-49.
MIN HUMIDITY........64-67 PERCENT.
20 FOOT WINDS.......NORTHWEST 10-15 MPH GUSTS TO 25 MPH.
RIDGE TOP WINDS.....NORTHWEST 20 MPH.

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY NIGHT...NUMEROUS SHOWERS IN THE EVENING...THEN NUMEROUS
SHOWERS AND SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 30S.
WINDS GENERALLY LESS THAN 10 MPH.
.SATURDAY...MOSTLY CLOUDY. NUMEROUS SHOWERS AND ISOLATED SNOW
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 50S. WINDS
GENERALLY LESS THAN 10 MPH.
.SUNDAY...PARTLY CLOUDY. CHANCE OF SHOWERS...SNOW SHOWERS AND
ISOLATED THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER
50S. WINDS GENERALLY LESS THAN 10 MPH.
.MONDAY...SHOWERS AND SNOW SHOWERS LIKELY. LOWS IN THE MID 30S.
HIGHS AROUND 50. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...T.BAKER
REQUESTED BY...TIM HAAS
REASON FOR REQUEST...PRESCRIBED
.TAG 20110519.WESTT.01/RIW