Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 200016
FWSRIW

SPOT FORECAST FOR TATANKA COMPLEX...MICHAEL DARDIS
NATIONAL WEATHER SERVICE RIVERTON WY
616 PM MDT MON SEP 19 2016

FORECAST IS BASED ON REQUEST TIME OF 1709 MDT ON SEPTEMBER 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...DRY WEATHER TUESDAY WITH ONLY VERY ISOLATED
SHOWERS LATE IN THE DAY...WHICH WOULD NOT PRODUCE MUCH
RAINFALL. THE BREEZY WIND WILL OCCUR AGAIN...BUT NOT QUITE
AS STRONG AS MONDAY. WEDNESDAY WILL START A TREND TOWARD
COOLER AND WETTER WEATHER WHICH WILL CONTINUE THROUGH FRIDAY.
THERE IS THE POTENTIAL FOR SIGNIFICANT RAINFALL IN PARTS OF
YELLOWSTONE PARK DURING THIS 3 DAY PERIOD.

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

FORECASTER...AR

.TUESDAY...

SKY/WEATHER.........PARTLY CLOUDY. VERY ISOLATED RAIN SHOWER
                    AFTER 1500.
MAX TEMPERATURE.....65-72
MIN HUMIDITY........24-32 PERCENT.

20 FOOT WINDS.......SOUTH TO SOUTHWEST AT 5 TO 9 MPH UNTIL 1000.
                    SOUTHWEST AT 13 TO 17 MPH WITH GUSTS TO 25 MPH
                    AFTER 1000.

RIDGE TOP WINDS.....SOUTH TO SOUTHWEST AT 8 TO 13 MPH UNTIL 1000.
                    SOUTHWEST AT 17 TO 22 MPH WITH GUSTS 25 TO
                    30 MPH AFTER 1000.

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....40-46.
MAX HUMIDITY........70-78 PERCENT.

20 FOOT WINDS.......SOUTHWEST AT 6 TO 11 MPH UNTIL SUNSET.
                    THEN SOUTH TO SOUTHEAST AT 5 TO 8 MPH
                    UNTIL MIDNIGHT...THEN BECOMING
                    DOWNSLOPE/DOWNVALLEY 4 TO 7 MPH AFTER MIDNIGHT.

RIDGE TOP WINDS.....SOUTHWEST AT 10 TO 15 MPH UNTIL SUNSET. THEN
                    SOUTH TO SOUTHEAST AT 7 TO 11 MPH AFTER SUNSET.

HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.WEDNESDAY...

SKY/WEATHER.........INCREASING CLOUDS. SCATTERED SHOWERS IN THE
                    AFTERNOON WITH ISOLATED THUNDERSTORMS.
MAX TEMPERATURE.....60-66.
MIN HUMIDITY........33-39 PERCENT.

20 FOOT WINDS.......SOUTH TO SOUTHWEST AT 5 TO 10 MPH UNTIL 1200.
                    SOUTH TO SOUTHWEST AT 8 TO 12 MPH AFTER 1200.

                    WIND GUSTS TO 25 MPH NEAR ANY THUNDERSTORMS.

RIDGE TOP WINDS.....SOUTH TO SOUTHWEST AT 7 TO 12 MPH UNTIL 1200.
                    SOUTH TO SOUTHWEST AT 10 TO 15 MPH AFTER 1200
                    WITH GUSTS TO 20 MPH.

HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...

.WEDNESDAY NIGHT...
CLOUDY. CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS.
LOWS 40 TO 45.  WINDS GENERALLY LESS THAN 10 MPH.

.THURSDAY...
SHOWERS LIKELY AND ISOLATED THUNDERSTORMS.
HIGHS IN THE 50S. WINDS GENERALLY LESS THAN 10 MPH.

.FRIDAY...
CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS. LOWS 37 TO 42.
HIGHS 45 TO 52. WINDS GENERALLY LESS THAN 10 MPH.

.SATURDAY...
MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS MID TO UPPER 30S.
HIGHS IN MID 40S TO LOWER 50S. WINDS GENERALLY LESS THAN 10 MPH.

$$
FORECASTER...ROSS
REQUESTED BY...FBAN
TYPE OF REQUEST...WILDFIRE
.TAG 20160919.TATAN.01/RIW


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