Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 222138
FWSRIW

SPOT FORECAST FOR HATCHERY...BLM CAD
NATIONAL WEATHER SERVICE RIVERTON WY
338 PM MDT FRI JUL 22 2016

FORECAST IS BASED ON IGNITION TIME OF 1540 MDT ON JULY 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A COLD FRONT WILL APPROACH FROM THE WEST AND PASS
THROUGH THE AREA THIS EVENING. ISOLATED SHOWERS AND THUNDERSTORM
WILL OCCUR AHEAD AND WITH THE FRONT WITH ERRATIC DOWNBURST WIND
GUSTS UP TO 50 MPH POSSIBLE WITH ANY SHOWER OR THUNDERSTORM. ANY
SHOWER OR THUNDERSTORM SHOULD END AFTER MIDNIGHT. SATURDAY LOOKS
TO BE A DRY DAY WITH LOW RELATIVE HUMIDITY BUT SOMEWHAT COOLER
TEMPERATURES AND GENERALLY LIGHT TO MODERATE WINDS.

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

FORECASTER...HATTINGS

.REST OF TODAY...

SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS.
MAX TEMPERATURE.....AROUND 95.
MIN HUMIDITY........8-11 PERCENT.
20 FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
                    AROUND 25 MPH. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.
LAL.................2.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
                    CLEAR (5-15 PERCENT). ISOLATED SHOWERS AND
                    THUNDERSTORMS EARLY IN THE EVENING.
MIN TEMPERATURE.....AROUND 60.
MAX HUMIDITY........48-51 PERCENT.
20 FOOT WINDS.......NORTH WINDS 8 TO 15 MPH WITH GUSTS TO AROUND 25
                    MPH SHIFTING TO THE EAST AROUND 8 MPH WITH
                    GUSTS TO AROUND 15 MPH LATE IN THE
                    EVENING...THEN BECOMING DOWNSLOPE/DOWNVALLEY
                    4-7 MPH AFTER MIDNIGHT. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS EARLY IN THE
                    EVENING.
RIDGE TOP WINDS.....NORTH AROUND 10 MPH SHIFTING TO THE SOUTHEAST
                    IN THE LATE EVENING AND EARLY MORNING...THEN
                    SHIFTING TO THE WEST EARLY IN THE MORNING.
LAL.................2 UNTIL 2100...THEN 1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.SATURDAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....84-88.
MIN HUMIDITY........9-12 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 5 MPH SHIFTING TO THE
                    NORTHWEST IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY NIGHT...
MOSTLY CLEAR. LOWS IN THE MID 50S. WINDS GENERALLY LESS THAN
10 MPH.
.SUNDAY...
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER 80S. WINDS
GENERALLY LESS THAN 10 MPH.
.MONDAY...
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 90S.
WINDS GENERALLY LESS THAN 10 MPH.
.TUESDAY...
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE LOWER 90S. WINDS
GENERALLY LESS THAN 10 MPH.

$$
FORECASTER...HATTINGS
REQUESTED BY...SAGE DECKER
TYPE OF REQUEST...PRESCRIBED
.TAG 20160722.HATCH.01/RIW



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