Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 241137
FWSRIW

SPOT FORECAST FOR WHIT FIRE...IA CDC
NATIONAL WEATHER SERVICE RIVERTON WY
537 AM MDT WED AUG 24 2016

FORECAST IS BASED ON REQUEST TIME OF 1846 MDT ON AUGUST 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...MUCH COOLER WEATHER EXPECTED TODAY. MOSTLY CLEAR
SKIES THIS MORNING...WILL QUICKLY CHANGE AS CLOUDS INCREASE FROM
THE NORTH BETWEEN 9AM AND NOON. ISOLATED SHOWERS AND THUNDERSTORMS
WILL BE POSSIBLE AFTER 12PM...WITH SCATTERED THUNDERSTORMS
EXPECTED BY 3PM AND LASTING INTO THE EVENING HOURS. THUNDERSTORM
ACTIVITY WILL THEN BE ISOLATED THROUGH MIDNIGHT...WITH ISOLATED
SHOWERS LINGERING THROUGH THURSDAY MORNING. THESE SHOWERS WILL
GIVE WAY TO THUNDERSTORMS ONCE AGAIN THURSDAY AFTERNOON. FREEZING
TEMPERATURES WILL BE BETWEEN 8000 AND 9000 FEET WEDNESDAY NIGHT.

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

FORECASTER...LAVOIE

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (60-70 PERCENT) BY MID AFTERNOON.
                    ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1PM.
                    SCATTERED THUNDERSTORMS AND RAIN SHOWERS BY 3PM.
MAX TEMPERATURE.....61-65.
MIN HUMIDITY........50-60 PERCENT.
20 FOOT WINDS.......EAST-NORTHEAST 5-10 MPH BECOMING NORTHEAST 10
                    TO 15 MPH AFTER 12PM. GUSTS UP TO 20 MPH.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH SHIFTING TO THE NORTHEAST
                    BY 3PM.
LAL.................1 UNTIL 1200...THEN 3.
CHC OF WETTING RAIN.5 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SCATTERED
                    THUNDERSTORMS AND RAIN SHOWERS IN THE
                    EVENING...THEN SLIGHT CHANCE OF RAIN SHOWERS
                    AFTER MIDNIGHT.
MIN TEMPERATURE.....39-42.
MAX HUMIDITY........89-92 PERCENT.
20 FOOT WINDS.......NORTHEAST WINDS 5-10 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    EVENING.
RIDGE TOP WINDS.....EAST-NORTHEAST AROUND 10 MPH SHIFTING TO THE
                    SOUTH BY MIDNIGHT. BECOMING SOUTH-SOUTHWEST
                    10 TO 15 MPH AFTER 3AM.
LAL.................4 UNTIL 2400...THEN 1.
CHC OF WETTING RAIN.11 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF
                    RAIN SHOWERS THROUGH THE DAY. ISOLATED
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........60-70 PERCENT.
20 FOOT WINDS.......EAST-SOUTHEAST WINDS 10-15 MPH. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN
                    THE AFTERNOON.
RIDGE TOP WINDS.....EAST 10 TO 15 MPH SHIFTING SOUTH-SOUTHWEST
                    AROUND 10 MPH AFTER 3PM.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.10 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...
MOSTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN THE EVENING.
LOWS IN THE LOWER 40S. SOUTHEAST WINDS 5 TO 10 MPH.
.FRIDAY...
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 40S. HIGHS IN THE MID 60S. EAST-SOUTHEAST WINDS
10 TO 15 MPH.
.SATURDAY...
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 70S.
SOUTHWEST WINDS 10 TO 15 MPH.
.SUNDAY...
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 70S.
WINDS GENERALLY LESS THAN 10 MPH.

$$
FORECASTER...LAVOIE
REQUESTED BY...WILLIAMSON
TYPE OF REQUEST...WILDFIRE
.TAG 20160823.WHITF.01/RIW



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