Suppression Forecast
Issued by NWS Riverton, WY

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FNUS75 KRIW 290859
FWSRIW

SPOT FORECAST FOR BERRY FIRE...NPS GTP
NATIONAL WEATHER SERVICE RIVERTON WY
259 AM MDT FRI JUL 29 2016

FORECAST IS BASED ON REQUEST TIME OF 0700 MDT ON JULY 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

WARM AND DRY WITH MAINLY LIGHT...TERRAIN DRIVEN WINDS ARE EXPECTED
OVER THE FIRE SITE TODAY. ISOLATED AFTERNOON THUNDERSTORMS COULD
FORM ALONG THE CONTINENTAL DIVIDE...WHICH IS ABOUT 25 TO 30 MILES
NORTH AND EAST OF THE FIRE AREA. THESE THUNDERSTORMS ARE EXPECTED
TO PUSH AWAY FROM THE FIRE SITE...BUT THERE IS AN OUTSIDE CHANCE
THAT OUTFLOW WINDS FROM A THUNDERSTORM COULD REACH THE FIRE SITE
LATE THIS AFTERNOON.

ON SATURDAY...EXPECT SLIGHTLY HIGHER RH...AND A SLIGHT CHANCE OF
DRY THUNDERSTORMS. THE MAIN HAZARD WILL BE VERY GUSTY AND ERRATIC
WINDS.

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

FORECASTER...MURRELL

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT)
MAX TEMPERATURE.....80.
MIN HUMIDITY........15-20 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 3-7 MPH.
RIDGE TOP WINDS.....VARIABLE AROUND 5 MPH...BECOMING WEST
                    AROUND 10 MPH BETWEEN 11 AM AND 1 PM.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......8000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....VARIABLE AROUND 5 MPH...BECOMING WEST
                    AROUND 10 MPH BY NOON.
SMOKE DISPERSAL.....GOOD (80000 KNOT-FT) IN THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
MIN TEMPERATURE.....45.
MAX HUMIDITY........60 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....WEST TO NORTHWEST 5-10 MPH...BECOMING SOUTHWEST
                    AFTER MIDNIGHT.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 800 FT AGL BY 9 PM.
TRANSPORT WINDS.....WEST TO NORTHWEST 5-10 MPH...BECOMING SOUTHWEST
                    AFTER MIDNIGHT.
SMOKE DISPERSAL.....POOR BY 9 PM.(24400 KNOT-FT).

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (35-45 PERCENT) WITH ISOLATED
                    THUNDERSTORMS AFTER 3 PM.
MAX TEMPERATURE.....80.
MIN HUMIDITY........20 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 4-8 MPH BECOMING WEST TO
                    SOUTHWEST AROUND 10 MPH BY EARLY AFTERNOON.
                    GUSTS 20-25 MPH IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST 10-15 MPH...BECOMING WEST 15-20
                    MPH IN THE AFTERNOON.
LAL.................1 UNTIL 3 PM...THEN 2.
CHC OF WETTING RAIN.NEAR ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 8500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 20-25 MPH..
SMOKE DISPERSAL.....VERY GOOD (139200 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...

.SATURDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S. WINDS
GENERALLY LESS THAN 10 MPH.

.SUNDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.
HIGHS IN THE LOWER 80S. WEST TO SOUTHWEST 10-15 MPH.

.MONDAY...PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 70S. WEST AROUND 10 MPH.

.TUESDAY...PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 70S. WEST TO SOUTHWEST 10-15 MPH.

$$
FORECASTER...MURRELL
REQUESTED BY...TIDC
TYPE OF REQUEST...WILDFIRE
.TAG 20160728.BERRY.01/RIW


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