Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 222148
FWSRIW

SPOT FORECAST FOR ML...BHF
NATIONAL WEATHER SERVICE RIVERTON WY
348 PM MDT FRI APR 22 2016

FORECAST IS BASED ON REQUEST TIME OF 1536 MDT ON APRIL 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...AS A LARGE LOW PRESSURE TROUGH MOVES INLAND ALONG
THE WEST COAST...INCREASING SOUTHWEST FLOW WILL BRING PACIFIC
MOISTURE AND INCREASING INSTABILITY INTO NORTHERN WYOMING.  SHOWERS ARE
EXPECTED EARLY THIS EVENING THEN TAPER OFF BEFORE A STRONGER SURGE
OF MOISTURE MOVES IN EARLY IN THE MORNING. THE NORTH WILL THEN SEE
WIDESPREAD SHOWERS BY MID AFTERNOON OVER THE BIGHORN MOUNTAINS WITH
EMBEDDED THUNDERSTORMS IN THE LATE AFTERNOON. THIS MOISTURE AND
INSTABILITY WILL SPREAD EAST THROUGH THE AFTERNOON...FIGHTING
DOWNSLOPE WINDS TO HOLD TOGETHER IN THE BIGHORN BASIN. WINDY
CONDITIONS WILL BE PREVALENT...ADDING TO THE GUST POTENTIAL FROM
THUNDERSTORMS. TEMPERATURES WILL FALL AS THE PRECIPITATION SPREADS
OVER THE AREA.  A COLD FRONT WILL MOVE SOUTH FROM MONTANA AROUND
18:00 SATURDAY.

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

FORECASTER...C.BAKER

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT).  ISOLATED RAIN
                    SHOWERS.
MAX TEMPERATURE.....84-86.
MIN HUMIDITY........9-12 PERCENT.
20 FOOT WINDS.......SOUTH WINDS 10 TO 14 MPH WITH GUSTS TO AROUND
                    25 MPH.
RIDGE TOP WINDS.....SOUTH 15 TO 20 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
MIN TEMPERATURE.....48-50.
MAX HUMIDITY........48-51 PERCENT. POOR RECOVERY.
20 FOOT WINDS.......SOUTH WINDS 8 TO 11 MPH EARLY IN THE EVENING
                    BECOMING DOWNSLOPE/DOWNVALLEY 4-7 MPH...THEN
                    BECOMING SOUTHEAST 8 TO 10 MPH AFTER MIDNIGHT.
                    GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH SHIFTING TO THE
                    SOUTHEAST IN THE LATE EVENING AND OVERNIGHT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (70-80 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....77-80. COLDER
MIN HUMIDITY........13-16 PERCENT.
20 FOOT WINDS.......SOUTH WINDS 10 TO 17 MPH WITH GUSTS TO AROUND
                    30 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH INCREASING TO SOUTH
                    AROUND 25 MPH EARLY IN THE AFTERNOON...THEN
                    DECREASING TO AROUND 15 MPH LATE IN THE
                    AFTERNOON.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY NIGHT...
MOSTLY CLOUDY. CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS IN
THE EVENING...THEN CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS IN THE
MID 40S. NORTHEAST WINDS AROUND 15 MPH.
.SUNDAY...
COOLER. MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE MID 50S. NORTH WINDS AROUND 13 MPH.
.MONDAY...
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN
THE MID 50S. WINDS GENERALLY LESS THAN 10 MPH.
.TUESDAY...
CLOUDY WITH CHANCE OF SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE
LOWER 50S. WINDS GENERALLY LESS THAN 10 MPH.

$$
FORECASTER...C.BAKER
REQUESTED BY...MODE
TYPE OF REQUEST...WILDFIRE
.TAG 20160422.ML___.01/RIW



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