Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 181921
FWSRIW

SPOT FORECAST FOR MAPLE FIRE...USFS
NATIONAL WEATHER SERVICE RIVERTON WY
121 PM MDT SUN SEP 18 2016

FORECAST IS BASED ON REQUEST TIME OF 1243 MDT ON SEPTEMBER 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

FLAT RIDGING ALOFT WILL KEEP MODEST MOISTURE OVER THE AREA THROUGH
TUESDAY WITHOUT MAJOR CHANGES FROM THOSE OF TODAY(SUNDAY). WHILE
THERE WILL BE CLOUDS AROUND THE AREA...MOST WILL BE OF THE MOUNTAIN
WAVE TYPE AND NOT CONVECTIVE/PRECIPITATION MAKERS. MONDAY THROUGH
TUESDAY WILL SEE CONTINUED GUSTY WEST TO SOUTHWEST WINDS EACH AFTERNOON.
MINIMUM RH VALUES...HOWEVER...WILL REMAIN LARGELY IN THE 20 TO LOWER
30S (PERCENT). WEDNESDAY WILL BEGIN TO SEE INCREASING MOISTURE...CLOUDS
AND PRECIPITATION CHANCES AS A LARGE UPPER LEVEL TROF STARTS TO MAKE
ITS WAY TOWARDS THE FORECAST AREA. BEST CHANCE FOR WETTING RAINFALL
WILL OCCUR WEDNESDAY NIGHT THROUGH THURSDAY NIGHT WHICH COULD BE A
SEASON ENDER FOR FIRE CONCERNS.

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

FORECASTER...BRAUN

.MONDAY...

SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........28-33 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST 12
                    TO 16 MPH WITH GUSTS 20 TO 25 MPH IN THE
                    LATE MORNING AND AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH INCREASING TO 20 TO 25
                    MPH IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1100 FT AGL INCREASING TO 6700 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 12 TO 17 MPH INCREASING TO 21 TO 26
                    MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (17200 KNOT-FT) INCREASING TO EXCELLENT
                    (152700 KNOT-FT) IN THE AFTERNOON.

.MONDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR (15-30 PERCENT).
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........83-88 PERCENT.
20 FOOT WINDS.......SOUTHWEST WINDS 8 TO 13 MPH AND GUSTY EARLY IN
                    THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY 4-7
                    MPH.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4100 FT AGL IN THE EVENING THEN 500 FT AGL.
TRANSPORT WINDS.....SOUTH 13 TO 17 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (4400-48700 KNOT-FT).

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (30-40 PERCENT).
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........22-27 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST 12
                    TO 17 MPH WITH GUSTS 22 TO 27 MPH IN THE
                    AFTERNOON.
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH INCREASING TO SOUTHWEST 25
                    TO 30 MPH 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.......500 FT AGL INCREASING TO 8600 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTH 12 TO 17 MPH INCREASING TO SOUTHWEST 26
                    TO 31 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (7700 KNOT-FT) INCREASING TO EXCELLENT
                    (220100 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.TUESDAY NIGHT...
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WINDS GENERALLY LESS THAN
12 MPH.
.WEDNESDAY...
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS
IN THE AFTERNOON. LOWS IN THE UPPER 30S. HIGHS IN THE MID 60S.
WINDS GENERALLY LESS THAN 10 MPH EXCEPT NEAR STRONGER SHOWERS
OF STORMS.
.THURSDAY...
COOLER. CLOUDY WITH CHANCE OF SHOWERS...SNOW SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 50S.
WINDS GENERALLY LESS THAN 10 MPH.
.FRIDAY...
CLOUDY WITH SCATTERED SHOWERS AND SNOW SHOWERS. LOWS IN THE LOWER
30S. HIGHS IN THE LOWER 40S. WINDS GENERALLY LESS THAN 10 MPH.

$$
FORECASTER...BRAUN
REQUESTED BY...JONAH VAUGHAN
TYPE OF REQUEST...WILDFIRE
.TAG 20160918.MAPLE.01/RIW


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