Suppression Forecast
Issued by NWS Riverton, WY

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447
FNUS75 KRIW 231722
FWSRIW

SPOT FORECAST FOR MAPLE FIRE...NPS
NATIONAL WEATHER SERVICE RIVERTON WY
1122 AM MDT TUE AUG 23 2016

FORECAST IS BASED ON REQUEST TIME OF 1024 MDT ON AUGUST 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
LITTLE CHANGE TO GOING FORECAST. CONTINUED VERY DRY TODAY WITH OCCASIONAL
GUSTY WEST WINDS THIS AFTERNOON. A COLD FRONT WILL MAKE ITS WAY ACROSS THE
FIRE THIS EVENING WITH WINDS SHIFTING TO THE NORTH TO NORTHEAST AT 10
TO 15 MPH. WEDNESDAY WILL BE COOLER WITH A LITTLE HIGHER AFTERNOON RH.
A FEW SHOWERS AND POSSIBLY A THUNDERSTORM WILL BUILD IN THE AREA BUT IT
DOES LOOK LIKE MOST OF THOSE WILL STAY OFF TO THE NORTH AND EAST.

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

FORECASTER...SKRBAC

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....72-75.
MIN HUMIDITY........10-13 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING WEST 10 TO 13 MPH
                    WITH GUSTS TO 20 MPH IN THE AFTERNOON.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH INCREASING TO 15-20 MPH IN
                    THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......4600 FT AGL INCREASING TO 8600 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....WEST 10 TO 13 MPH INCREASING TO 17 TO 18 MPH IN
                    THE AFTERNOON.
SMOKE DISPERSAL.....FAIR (49500 KNOT-FT) INCREASING TO VERY GOOD
                    (146500 KNOT-FT) IN THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....32 TO 36 (AROUND 30 IN LOW LYING AREAS).
MAX HUMIDITY........64-70 PERCENT.
20 FOOT WINDS.......NORTH WINDS 8 TO 10 MPH WITH GUSTS TO 15 MPH
                    THE EVENING BECOMING AREAS OF SMOKE IN
                    THE MORNING. DOWNSLOPE/DOWNVALLEY 4-7
                    MPH AFTER MIDNIGHT.
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH SHIFTING TO THE
                    NORTHEAST IN THE LATE EVENING AND OVERNIGHT.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......7100-7600 FT AGL DECREASING TO 1100 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH SHIFTING TO THE
                    NORTHEAST IN THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....GOOD (110000 KNOT-FT) DECREASING TO POOR (16100
                    KNOT-FT) AFTER MIDNIGHT.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (35-45 PERCENT). A SLIGHT CHANCE
                    OF A SHOWER OR THUNDERSTORM IN THE AREA. MOST
                    OF THESE WILL BE OFF TO THE NORTH AND EAST.
MAX TEMPERATURE.....64-67.
MIN HUMIDITY........20-25 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING NORTH 10 TO
                    14 MPH WITH GUSTS TO AROUND 25 MPH IN THE
                    AFTERNOON.
RIDGE TOP WINDS.....NORTH 10 TO 15 MPH INCREASING TO AROUND 20 MPH
                    LATE IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1500 FT AGL INCREASING TO 6500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....NORTH TO NORTHEAST 16 TO 21 MPH.
SMOKE DISPERSAL.....POOR (25300 KNOT-FT) INCREASING TO VERY GOOD
                    (130000 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY NIGHT...
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN THE EVENING.
LOWS IN THE UPPER 20S. WINDS GENERALLY LESS THAN 10 MPH.
.THURSDAY...
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 20S. HIGHS IN THE MID 60S. WINDS GENERALLY LESS
THAN 10 MPH.
.FRIDAY...
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 60S. WINDS GENERALLY
LESS THAN 10 MPH.
.SATURDAY...
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER 70S. WINDS
GENERALLY LESS THAN 10 MPH.

$$
FORECASTER...SKRBAC
REQUESTED BY...DREW PAGE
TYPE OF REQUEST...WILDFIRE
.TAG 20160823.MAPLE.01/RIW



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