Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 281608
FWSRIW

SPOT FORECAST FOR SNOWMOBILE SEARCH AND RESCUE...BIG HORN CO EMERGENCY MANAGEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
1008 AM MDT THU APR 28 2016

FORECAST IS BASED ON INCIDENT TIME OF 0938 MDT ON APRIL 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

GENERALLY COOL/COLD AND MOIST WITH INTERMITTENT BOUTS OF
PRECIPITATION BOTH LIQUID AND FROZEN OVER THE NEXT 5 OR 6
DAYS. HEAVIER SNOWFALL EXPECTED ON THE EAST SIDE OF THE
BIGHORNS...WITH 30 TO 60 PERCENT LESS WEST OF THE
MOUNTAIN CREST. WINDS FOR BOTH SURFACE AND ALOFT WILL
REMAIN ON THE LIGHTER SIDE...WITH NOTHING MUCH HIGHER
THAN 20 MPH SHOWING OVER THE NEXT 84 HOURS EVEN AT RIDGE
TOP. FORE AVIATION PURPOSES...LOW CLOUD DECK LOOKS TO
REMAIN FAIRLY CONSISTENT TODAY WITH THE ONLY REAL BREAKS
COMING ABOVE 9000 FEET. OTHERWISE...OTHER THAN PERHAPS
A VERY BRIEF PERIOD OF SCATTERED CLOUDS BELOW 9000 FEET
HERE AND THERE...IT WILL REMAIN BROKEN TO OVERCAST WITH
FREQUENT MOUNTAIN OBSCURATION THROUGH TODAY. CURRENTLY...
THERE LOOKS TO POSSIBLY SEE SOME BREAKS IN THE CLOUD DECK
TO SCATTERED CATEGORY BEGINNING LATE OVERNIGHT TONIGHT...
PERHAPS LASTING THROUGH THE MORNING HOURS FRIDAY...POSSIBLY
A BIT LONGER. HOWEVER...MORNING FOG IN PLACES AND THE LOWER
ELEVATIONS OF THE FOOTHILLS OR VALLEYS MAY COMPLICATE THE
SITUATION THROUGH MID MORNING FRIDAY. THAT WILL BE A WAIT
AND SEE CONDITION.

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

FORECASTER...BRAUN

.TODAY...

SKY/WEATHER.........CLOUDY (85-95 PERCENT) WITH FREQUENT MOUNTAIN
                    OBSCURATION THROUGH THE DAY AND NIGHT. PATCHY
                    FOG IN THE MORNING AT LOWER ELEVATIONS. LIGHT
                    SNOW LIKELY IN THE MORNING...THEN
                    SCATTERED SNOW SHOWERS IN THE AFTERNOON.
MAX TEMPERATURE.....29-32.
MIN HUMIDITY........68-75 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 5 TO 10 MPH SHIFTING TO THE
                    NORTHEAST IN THE LATE MORNING AND AFTERNOON.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (70-90 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (55-65 PERCENT) NEAR SUNRISE.
                    SCATTERED SNOW SHOWERS.
MIN TEMPERATURE.....18-23.
MAX HUMIDITY........91-98 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....EAST AROUND 10 MPH SHIFTING TO THE SOUTH AFTER
                    MIDNIGHT.

.FRIDAY...

SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT) EARLY BECOMING
                    MOSTLY CLOUDY (75-90 PERCENT). SCATTERED SNOW
                    SHOWERS UNTIL LATE AFTERNOON. SCATTERED RAIN
                    SHOWERS IN THE AFTERNOON.
MAX TEMPERATURE.....39-44.
MIN HUMIDITY........64-69 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....SOUTH AROUND 5 TO 10 MPH SHIFTING TO THE WEST
                    IN THE LATE MORNING AND AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY NIGHT...
CLOUDY WITH SCATTERED SNOW SHOWERS. LOWS IN THE MID 20S. WINDS
GENERALLY LESS THAN 10 MPH.
.SATURDAY...
COLDER. NUMEROUS SNOW SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE
LOWER 30S. NORTHEAST WINDS AROUND 13 MPH.
.SUNDAY...
MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LOWS IN THE LOWER 20S.
HIGHS IN THE UPPER 30S. WINDS GENERALLY LESS THAN 10 MPH.
.MONDAY...
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN THE MID
20S. HIGHS IN THE LOWER 40S. WINDS GENERALLY LESS THAN 10 MPH.

$$
FORECASTER...BRAUN
REQUESTED BY...LARAE DOBBS
TYPE OF REQUEST...SAR
.TAG 20160428.SNOWM.01/RIW



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