Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 230941
FWSRIW

SPOT FORECAST FOR SHOSHONE LAKE FIRE...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
341 AM MDT SAT JUL 23 2016

FORECAST IS BASED ON IGNITION TIME OF 0630 MDT ON JULY 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

DRY...SUNNY...WITH VERY LOW RH AND A HAINES INDEX OF A 6 TODAY.
WINDS ARE EXPECTED TO BE TERRAIN DRIVEN THROUGH MIDDAY...BECOMING
WESTERLY AND BREEZY AT TIMES IN THE AFTERNOON. POOR TO VERY POOR
RH RECOVERY IS EXPECTED TONIGHT. ON SUNDAY...DRY CONDITIONS WILL
CONTINUE...BUT WINDS WILL BE LIGHT AND TERRAIN DRIVEN.

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

FORECASTER...MURRELL

.TODAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....68-72.
MIN HUMIDITY........9-13 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 4-8 MPH BECOMING
                    WEST AROUND 10 MPH BETWEEN NOON AND
                    2 PM. OCCASIONAL GUSTS AROUND 20 MPH
                    IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH BECOMING WEST
                    AROUND 15 MPH IN THE AFTERNOON. GUSTS TO
                    25 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....45-50.
MAX HUMIDITY........30-35 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-8 MPH.
RIDGE TOP WINDS.....WEST AROUND 10 MPH...BECOMING VARIABLE 4-8
                    MPH BY MIDNIGHT.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.SUNDAY...

SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....75.
MIN HUMIDITY........15 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 4-7 MPH.
RIDGE TOP WINDS.....VARIABLE 4-8 MPH...BECOMING WEST TO
                    SOUTHWEST AROUND 10 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY NIGHT...MOSTLY CLEAR. LOWS IN THE UPPER 40S. WINDS
GENERALLY LESS THAN 10 MPH.

.MONDAY...PARTLY CLOUDY. VERY ISOLATED SHOWERS AND THUNDERSTORMS.
HIGHS IN THE UPPER 70S. WINDS GENERALLY LESS THAN 10 MPH.

.TUESDAY...PARTLY CLOUDY. VERT ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S. WINDS GENERALLY LESS
THAN 10 MPH.

.WEDNESDAY...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE UPPER 40S. HIGHS IN THE MID 70S. WINDS GENERALLY LESS THAN
10 MPH.

$$
FORECASTER...MURRELL
REQUESTED BY...HAL BROMLEY
TYPE OF REQUEST...PRESCRIBED
.TAG 20160722.SHOSH.01/RIW



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