Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 041944 AAA
FWSRIW

SPOT FORECAST FOR LITTLE BOB LAKE...UPDATED
NATIONAL WEATHER SERVICE RIVERTON WY
144 PM MDT FRI SEP 4 2015

FORECAST IS BASED ON REQUEST TIME OF 1932 MDT ON SEPTEMBER 03.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

...DRY AND WINDY AT TIMES THROUGH THE WEEKEND...

A DRIER AIRMASS IS MOVING IN THIS AFTERNOON WITH OCCASIONAL WIND GUSTS
AROUND 35 MPH. A PUSH OF MID LEVEL MOISTURE WILL ALSO BE MOVING IN THIS
AFTERNOON WITH ISOLATED THUNDERSTORMS AND VERY GUSTY OUTFLOW WINDS.
DRY AND GUSTY SOUTHWEST FLOW RETURNS TOMORROW AHEAD OF A STRONG COLD
FRONT MOVING IN FROM THE WEST. THERE COULD EVEN BE SOME SNOW BEHIND THE
FRONT SATURDAY NIGHT INTO SUNDAY BUT THE MORE ABUNDANT MOISTURE
WILL REMAIN NORTHWEST OF THE FIRE. A COOL...BREEZY AND DRY
DAY WILL OCCUR SUNDAY. HIGH FIRE DANGER COULD RETURN MONDAY AND
TUESDAY AS VERY DRY AIR MOVES IN BEHIND THE EXITING LOW PRESSURE
SYSTEM.

...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 (55-65 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (55-65 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS LATE IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........14-17 PERCENT.
20 FOOT WINDS.......SOUTHWEST 10 TO 20 MPH. GUSTS UP TO 35
                    MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS LATE IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTH 20 TO 25 MPH.
LAL.................2.
CHC OF WETTING RAIN.5 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). ISOLATED
                    SHOWERS AND THUNDERSTORMS UNTIL EARLY MORNING.
MIN TEMPERATURE.....42-45.
MAX HUMIDITY........61-64 PERCENT.
20 FOOT WINDS.......SOUTHWEST WINDS 8 TO 10 MPH WITH GUSTS TO
                    AROUND 15 MPH. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS IN THE EVENING. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS AFTER
                    MIDNIGHT.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
LAL.................2 UNTIL 0300...THEN 1.
CHC OF WETTING RAIN.5 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (65-75 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....61-64.
MIN HUMIDITY........24-27 PERCENT.
20 FOOT WINDS.......SOUTHWEST 10 TO 17 MPH WITH GUSTS TO AROUND
                    30 MPH IN THE LATE MORNING THROUGH THE AFTERNOON.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH INCREASING TO AROUND 25
                    MPH IN THE AFTERNOON.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY NIGHT...
COLDER. MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS IN THE EVENING...THEN SLIGHT CHANCE OF RAIN AND
SNOW AFTER MIDNIGHT. LOWS IN THE LOWER 30S. WEST WINDS AROUND
24 MPH.
.SUNDAY...
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE MID 50S. WEST
WINDS AROUND 25 MPH.
.LABOR DAY...
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN THE LOWER
30S. HIGHS IN THE UPPER 50S. WEST WINDS AROUND 20 MPH.
.TUESDAY...
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS AROUND 60. WINDS
GENERALLY LESS THAN 10 MPH.

$$
FORECASTER...ALLEN
REQUESTED BY...BOYD
TYPE OF REQUEST...WILDFIRE
.TAG 20150903.LITTL.01/RIW


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