FNUS75 KRIW 132116
FWSRIW

SPOT FORECAST FOR TETON DISPATCH S   R...PARK SERVICE
NATIONAL WEATHER SERVICE RIVERTON WY
316 PM MDT FRI JUL 13 2012

FORECAST IS BASED ON INCIDENT TIME OF 1456 MDT ON JULY 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION.......A RIDGE OF HIGH PRESSURE OVER THE ROCKIES WILL SHIFT
FURTHER EAST ON TONIGHT AND SATURDAY...ALLOWING A SOUTHERLY FLOW TO
CONTINUE TO BRING ABUNDANT SUBTROPICAL MOISTURE INTO WESTERN WYOMING.
THE MOISTURE WILL BRING SHOWERS AND THUNDERSTORMS INTO SATURDAY AND SUNDAY
AS WELL. THE STORMS WILL BE CAPABLE OF PRODUCING WETTING RAINS.
THE BULK OF THIS MOISTURE WILL PUSH ACROSS THE AREA SATURDAY WITH
INCREASING CHANCES OF THUNDERSTORMS AND WETTING RAINS. RELATIVE
HUMIDITY WILL TREND HIGHER FRIDAY AND SATURDAY...WITH CONTINUED
WARM TEMPERATURES FRIDAY...THEN COOLER SATURDAY. THE CHANCE OF SHOWERS
AND THUNDERSTORMS WILL LINGER INTO SUNDAY AS WELL.


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

FORECASTER...HATTINGS

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SCATTERED SHOWERS AND
                    THUNDERSTORMS IN THE EVENING. SCATTERED RAIN
                    SHOWERS THROUGH THE NIGHT. ISOLATED THUNDERSTORMS
                    AFTER MIDNIGHT.
MIN TEMPERATURE.....45-50.
MAX HUMIDITY........85-90 PERCENT.
20 FOOT WINDS.......WEST WINDS AROUND 10 MPH EARLY IN THE EVENING
                    BECOMING DOWNSLOPE/DOWNVALLEY 4-7 MPH...THEN
                    BECOMING SOUTH 10 TO 15 MPH AFTER MIDNIGHT.
                    GUSTS UP TO 20 MPH. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH SHIFTING TO THE SOUTH AFTER
                    MIDNIGHT.
LAL.................4 UNTIL 2400...THEN 2.
CHC OF WETTING RAIN.30 PERCENT.

.SATURDAY...
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). ISOLATED
                    THUNDERSTORMS IN THE MORNING. NUMEROUS RAIN
                    SHOWERS THROUGH THE DAY. NUMEROUS THUNDERSTORMS
                    IN THE AFTERNOON.
MAX TEMPERATURE.....52-57.
MIN HUMIDITY........55-60 PERCENT.
20 FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHWEST AROUND 25 MPH.
LAL.................2 UNTIL 1200...THEN 5.
CHC OF WETTING RAIN.56 PERCENT.

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY NIGHT...CLOUDY. NUMEROUS SHOWERS AND THUNDERSTORMS IN
THE EVENING...THEN SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS
AFTER MIDNIGHT. LOWS IN THE LOWER 40S. SOUTHWEST WINDS AROUND
11 MPH.
.SUNDAY...CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS
IN THE MID 40S. HIGHS IN THE MID 50S. SOUTHWEST WINDS AROUND
14 MPH.
.MONDAY...CLOUDY WITH SHOWERS AND THUNDERSTORMS LIKELY. LOWS IN
THE LOWER 40S. HIGHS IN THE LOWER 50S. WINDS GENERALLY LESS THAN
10 MPH.
.TUESDAY...SHOWERS AND THUNDERSTORMS LIKELY. LOWS IN THE LOWER
40S. HIGHS IN THE LOWER 50S. WINDS GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE MID 50S. WINDS
GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...HATTINGS
REQUESTED BY...TIFFANY
REASON FOR REQUEST...SAR
.TAG 20120713.TETON.02/RIW