Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 301516
FWSRIW

SPOT FORECAST FOR RED LAKES...IA CDC
NATIONAL WEATHER SERVICE RIVERTON WY
916 AM MDT SUN AUG 30 2015

FORECAST IS BASED ON REQUEST TIME OF 2140 MDT ON AUGUST 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 3 AM
MDT MONDAY...

.DISCUSSION...

SWIFT DOWNSLOPE WINDS WILL INCREASE LATER THIS AFTERNOON...DECREASING
THE RELATIVE HUMIDITY ALONG THE FOOTHILLS AND IN THE AREA OF THE BURN.
IN ADDITION...WINDS WILL BEGIN TO GUST IN EXCESS OF 30 MPH OUT OF THE
MOUNTAINS BY MID AFTERNOON. WINDS WILL BECOME MORE WESTERLY AFTER
MIDNIGHT TONIGHT AND WILL MAINTAIN SPEED AT 20-30 MPH.

IN ADDITION ISOLATED TO WIDELY SCATTERED DRY THUNDERSTORMS ARE
EXPECTED THIS AFTERNOON WITH AN LAL OF 6 INTO THE EARLY EVENING HOURS.
THESE STORMS COULD PRODUCE ERRATIC WIND GUSTS IN EXCESS OF 50 MPH.
A COLD FRONT IS ALSO EXPECTED TO MOVE THROUGH LATER TONIGHT WITH
A WIND SHIFT TO THE NORTH EXPECTED AT AROUND 3AM.

IT WILL BE QUITE DRY BEHIND THE FRONT ON MONDAY BUT LESS WINDY.

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

FORECASTER...ALLEN

.REST OF TODAY...

SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT). ISOLATED SHOWERS
                    AND ISOLATED TO WIDELY SCATTERED DRY THUNDERSTORMS
                    IN THE AFTERNOON.
MAX TEMPERATURE.....86.
MIN HUMIDITY........15-17 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST 10
                    TO 17 MPH WITH GUSTS TO AROUND 30 MPH AFTER 1400.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
                    IN THE AFTERNOON.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH INCREASING TO 30 MPH AFTER 1400.
LAL.................1 UNTIL 1400...THEN 6.
CHC OF WETTING RAIN.4 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). ISOLATED RAIN
                    SHOWERS AND DRY THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....51-54.
MAX HUMIDITY........55-58 PERCENT.
20 FOOT WINDS.......WEST WINDS 16 TO 17 MPH WITH GUSTS TO AROUND 35
                    MPH UNTIL EARLY MORNING BECOMING
                    DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    EVENING.
RIDGE TOP WINDS.....WEST 25 TO 30 MPH BECOMING NORTHWEST AROUND 15
                    MPH EARLY IN THE MORNING.
LAL.................2 UNTIL 2100...THEN 1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.MONDAY...

SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....80.
MIN HUMIDITY........14-16 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST
                    AROUND 10 MPH LATE IN THE AFTERNOON. GUSTS UP
                    TO 15 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.MONDAY NIGHT...
MOSTLY CLEAR. LOWS IN THE MID 50S. WINDS GENERALLY LESS THAN
10 MPH.
.TUESDAY...
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S. WINDS
GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID 80S.
SOUTHWEST WINDS AROUND 20 MPH.
.THURSDAY...
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID 70S. WINDS
GENERALLY LESS THAN 10 MPH.

$$
FORECASTER...ALLEN
REQUESTED BY...CDC
TYPE OF REQUEST...WILDFIRE
.TAG 20150829.REDLA.01/RIW



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