Suppression Forecast
Issued by NWS Riverton, WY

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474
FNUS75 KRIW 190031
FWSRIW

SPOT FORECAST FOR TATANKA COMPLEX...MICHAEL DARDIS
NATIONAL WEATHER SERVICE RIVERTON WY
631 PM MDT SUN SEP 18 2016

FORECAST IS BASED ON REQUEST TIME OF 1748 MDT ON SEPTEMBER 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...MONDAY WILL BE DRY WITH BREEZY TO LOCALLY WINDY
CONDITIONS...ESPECIALLY EXPOSED AREAS AND EXPOSED RIDGETOPS.
RELATIVE HUMIDITY WILL BE LOWER MONDAY THAN SUNDAY. THEN TUESDAY
WILL BE WARMER AND DRY WITH LOWER HUMIDITY. THE GUSTY WIND WILL
OCCUR ONCE AGAIN OVER THE FIRE AREA. LOOKING AHEAD TO WEDNESDAY
CONDITIONS WILL BE COOLER AND A HIGHER HUMIDITY WITH SCATTERED
AFTERNOON SHOWERS AND ISOLATED THUNDERSTORMS.

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

FORECASTER...AR

.MONDAY...

SKY/WEATHER.........MOSTLY SUNNY IN THE MORNING.
                    THEN BECOMING IN THE AFTERNOON.
MAX TEMPERATURE.....63-69.
MIN HUMIDITY........29-34 PERCENT.

20 FOOT WINDS.......SOUTHWEST AT 5 TO 10 MPH UNTIL 0900.
                    THEN SOUTHWEST AT 10 TO 15 MPH WITH GUSTS
                    BETWEEN 20 AND 25 MPH AFTER 0900 THROUGH THE
                    AFTERNOON HOURS.

RIDGE TOP WINDS.....SOUTHWEST AT 10 TO 15 MPH WITH GUSTS TO 20 MPH
                    UNTIL 1000.  THEN SOUTHWEST AT 15 TO 20 MPH
                    WITH GUSTS BETWEEN 25 AND 30 MPH AFTER 1000
                    THROUGH THE AFTERNOON HOURS.

HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.MONDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....44-51.
MAX HUMIDITY........57-67 PERCENT.

20 FOOT WINDS.......SOUTHWEST AT 10 TO 15 MPH UNTIL SUNSET.
                    SOUTHWEST AT 7 TO 12 MPH AFTER SUNSET UNTIL
                    MIDNIGHT. THEN WIND BECOMING DOWNSLOPE/DOWNVALLEY
                    AT 5 TO 8 MPH IN SOME OF THE VALLEY LOCATIONS.

RIDGE TOP WINDS.....SOUTHWEST AT 15 TO 20 MPH WITH GUSTS TO 25 MPH
                    UNTIL SUNSET. THEN SOUTHWEST AT 10 TO 15 MPH
                    WITH GUSTS TO 20 MPH.

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

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY IN THE MORNING.
                    BECOMING PARTLY CLOUDY IN THE AFTERNOON.
MAX TEMPERATURE.....65-73.
MIN HUMIDITY........23-30 PERCENT.

20 FOOT WINDS.......SOUTHWEST AT 5 TO 10 MPH UNTIL 1000.
                    THEN SOUTHWEST AT 10 TO 15 MPH WITH GUSTS
                    BETWEEN 20 AND 25 MPH AFTER 1000 THROUGH THE
                    AFTERNOON HOURS.

RIDGE TOP WINDS.....SOUTHWEST AT 10 TO 15 MPH WITH GUSTS TO 20 MPH
                    UNTIL 1000.  THEN SOUTHWEST AT 15 TO 20 MPH
                    WITH GUSTS BETWEEN 25 AND 30 MPH AFTER 1000
                    THROUGH THE AFTERNOON HOURS.

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

.FORECAST DAYS 3 THROUGH 5...

.TUESDAY NIGHT...
PARTLY CLOUDY. LOWS 40 TO 50.  SOUTHWEST WIND 10 TO 15 MPH UNTIL
SUNSET. THEN WINDS GENERALLY LESS THAN 10 MPH BY MIDNIGHT.

.WEDNESDAY...
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
HIGHS 57-65.  SOUTH TO SOUTHWEST WIND 10 TO 20 MPH.

.THURSDAY...
CLOUDY WITH SCATTERED RAIN SHOWERS...SNOW SHOWERS AT HIGHER
ELEVATIONS THURSDAY NIGHT. ISOLATED THUNDERSTORMS.
LOWS IN THE 40S...30S HIGHER ELEVATIONS.  HIGHS 42-52.
WINDS GENERALLY LESS THAN 10 MPH.

.FRIDAY...
CLOUDY WITH SCATTERED RAIN SHOWERS AND SNOW SHOWERS.
LOWS IN THE 30S.  HIGHS IN THE 40S.
NORTH TO NORTHWEST WIND AROUND 10 MPH.

$$
FORECASTER...ROSS
REQUESTED BY...FBAN
TYPE OF REQUEST...WILDFIRE
.TAG 20160918.TATAN.01/RIW



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