Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 221031
FWSRIW

SPOT FORECAST FOR BERRY FIRE...NPS
NATIONAL WEATHER SERVICE RIVERTON WY
431 AM MDT THU SEP 22 2016

FORECAST IS BASED ON REQUEST TIME OF 0500 MDT ON SEPTEMBER 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...FLASH FLOOD WATCH IN EFFECT FROM NOON MDT TODAY THROUGH LATE
TONIGHT...

.DISCUSSION...PERIODS OF RAIN SHOWERS TODAY WITH AN ISOLATED
THUNDERSTORM POSSIBLE THIS AFTERNOON AND EVENING. THERE MAY BE
SOME DRY HOURS BUT TIMING THOSE MUCH PAST 3 HOURS IS DIFFICULT.
KEEPING AN EYE ON THE RADAR IMAGERY WILL BE THE BEST WAY TO SEE
THE TREND IN RAINFALL DURING THE DAY AND TONIGHT. TOTAL RAINFALL
THROUGH 600 AM FRIDAY WILL RANGE FROM 0.75 INCHES TO 1.10 INCHES
ACROSS THE FIRE AREA AND GRAND TETON NATIONAL PARK. SOME PLACES
MAY EXCEED THAT HIGH END AMOUNT DUE TO THE POTENTIAL OF THIS STORM.

AS THE STORM MOVES ACROSS WESTERN WYOMING FRIDAY AFTERNOON...SNOW
LEVELS WILL DECREASE FRIDAY AFTERNOON AND NIGHT AS COLDER AIR
MOVES IN...SNOW LEVEL AS LOW AS 8000 FEET MSL BY SATURDAY MORNING.
OTHERWISE FRIDAY WILL SEE RAIN SHOWERS LIKELY INTO FRIDAY NIGHT.
24 RAINFALL AMOUNTS OF 0.40 INCHES TO 0.75 INCHES IS OUR CURRENT
THINKING FROM 600 AM FRIDAY MORNING UNTIL 600 AM SATURDAY MORNING.

SATURDAY WILL BE COOL WITH RAIN AND SNOW SHOWERS DECREASING DURING
THE AFTERNOON.

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

FORECASTER...AR

.TODAY...

SKY/WEATHER.........CLOUDY. RAIN SHOWERS LIKELY.
                    ISOLATED THUNDERSTORM POSSIBLE IN THE AFTERNOON.
MAX TEMPERATURE.....52-57.
MIN HUMIDITY........70-75 PERCENT.

20 FOOT WINDS.......EAST TO SOUTHEAST AT 5 TO 9 MPH THIS MORNING.
                    SOUTH TO SOUTHWEST AT 6 TO 10 MPH THIS
                    AFTERNOON.

                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS IN THE AFTERNOON TO 25 MPH.

RIDGE TOP WINDS.....SOUTH TO SOUTHWEST AT 7 TO 12 MPH THIS MORNING.
                    SOUTH TO SOUTHWEST AT 9 TO 14 MPH WITH GUSTS
                    TO 20 MPH THIS AFTERNOON.

LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.98 PERCENT.
PRECIPITATION.......0.40 INCHES TO 0.60 INCHES.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3000-4000 FT AGL.
TRANSPORT WINDS.....SOUTH TO SOUTHWEST AT 10 TO 15 MPH.

.TONIGHT...

SKY/WEATHER.........CLOUDY. RAIN SHOWERS LIKELY.
MIN TEMPERATURE.....40-44.
MAX HUMIDITY........94-97 PERCENT.
20 FOOT WINDS.......EAST TO NORTHEAST AT 5 TO 10 MPH.

RIDGE TOP WINDS.....EAST TO NORTHEAST AT 8 TO 13 MPH.

LAL.................1.
CHC OF WETTING RAIN.98 PERCENT.
PRECIPITATION.......0.30 INCHES TO 0.50 INCHES.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1600-2600 FT AGL.
TRANSPORT WINDS.....EAST TO NORTHEAST AROUND 10 MPH.

.FRIDAY...

SKY/WEATHER.........CLOUDY. RAIN SHOWERS LIKELY.
MAX TEMPERATURE.....47-52.
MIN HUMIDITY........75-80 PERCENT.

20 FOOT WINDS.......EAST TO NORTHEAST AT 5 TO 9 MPH IN THE MORNING.
                    SOUTHWEST AT 5 TO 10 MPH IN THE AFTERNOON.

RIDGE TOP WINDS.....EAST TO NORTHEAST AROUND 10 MPH IN THE MORNING.
                    SOUTHWEST AT 8 TO 12 MPH IN THE AFTERNOON
                    WITH GUSTS AROUND 15 MPH.

LAL.................1.
CHC OF WETTING RAIN.98 PERCENT.
PRECIPITATION.......0.25 INCHES TO 0.40 INCHES.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2700-3700 FT AGL.
TRANSPORT WINDS.....EAST TO NORTHEAST AROUND 10 MPH IN THE MORNING
                    SOUTHWEST AT 10 TO 15 MPH IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...

.FRIDAY NIGHT...
CLOUDY. SHOWERS LIKELY IN THE EVENING...THEN SCATTERED RAIN
AND SNOW SHOWERS AFTER MIDNIGHT. LOWS 33-37.
WINDS GENERALLY LESS THAN 10 MPH.

.SATURDAY...
MOSTLY CLOUDY. CHANCE OF RAIN OR SNOW SHOWERS IN THE MORNING.
SHOWERS DECREASING IN THE AFTERNOON.  HIGHS IN THE 40S.
WEST TO NORTHWEST WIND AT 10 TO 20 MPH IN THE AFTERNOON.

.SUNDAY...
MOSTLY CLEAR. LOWS IN THE 20S. HIGHS IN THE UPPER 40S TO LOWER 50S.
WEST TO NORTHWEST WIND AT 10 TO 15 MPH IN THE AFTERNOON.

.MONDAY...
MOSTLY CLEAR. LOWS IN THE 20S. HIGHS 55 TO 60.
WEST TO NORTHWEST WIND WINDS GENERALLY LESS THAN 10 MPH.

$$
FORECASTER...ROSS
REQUESTED BY...BERRY FIRE IC TOM WURM
TYPE OF REQUEST...WILDFIRE
.TAG 1600957.0/RIW
.EMAIL THOMASMWURM@FS.FED.US


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