Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 291841
FWSRIW

SPOT FORECAST FOR TOKAWANA FIRE...BLM RAD
NATIONAL WEATHER SERVICE RIVERTON WY
1241 PM MDT FRI JUL 29 2016

FORECAST IS BASED ON REQUEST TIME OF 1149 MDT ON JULY 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

MAINLY DRY CONDITIONS ARE EXPECTED TODAY AND SATURDAY. A WESTERLY TO
NORTHWESTERLY BREEZE WILL DEVELOP THIS AFTERNOON AND SATURDAY AFTERNOON.
RELATIVE HUMIDITY WILL FALL INTO THE TEENS AT TIMES IN THE AFTERNOON. FIRE
DANGER IS EXPECTED TO CONTINUE THIS AFTERNOON AND SATURDAY AFTERNOON
WITH WARMER TEMPERATURES AND LOW RELATIVE HUMIDITY EXPECTED.

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

FORECASTER...LIPSON

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........16-19 PERCENT.
20 FOOT WINDS.......WEST 4 TO 7 MPH BECOMING WEST NORTHWEST 10 TO 20
                    MPH WITH GUSTS TO AROUND 30 MPH BY 1400.
RIDGE TOP WINDS.....WEST 15 TO 30 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......6400 FT AGL INCREASING TO 11100 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....WEST 15 TO 35 MPH.
SMOKE DISPERSAL.....GOOD (77800 KNOT-FT) INCREASING TO EXCELLENT
                    (222700 KNOT-FT) IN THE AFTERNOON.

.TONIGHT...

SKY/WEATHER.........CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........45-48 PERCENT.
20 FOOT WINDS.......NORTHWEST WINDS 8 TO 13 MPH WITH GUSTS TO AROUND 25
                    MPH EARLY IN THE EVENING BECOMING
                    DOWNSLOPE/DOWNVALLEY 4-7 MPH AFTER 2100.
RIDGE TOP WINDS.....WEST NORTHWEST 10 TO 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6300 FT AGL DECREASING TO 600 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 12 TO 18 MPH.
SMOKE DISPERSAL.....GOOD (80600 KNOT-FT) DECREASING TO POOR (7500
                    KNOT-FT) AFTER MIDNIGHT.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (40-50 PERCENT). SCATTERED RAIN
                    SHOWERS AND ISOLATED THUNDERSTORMS IN THE
                    AFTERNOON AFTER 1700.
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........17-20 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST AROUND
                    11 MPH BY 0900. THEN AFTER 1300...WEST NORTHWEST
                    10 TO 20 MPH WITH SOME GUSTS TO 30 MPH. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR ANY THUNDERSTORMS IN THE
                    AFTERNOON.
RIDGE TOP WINDS.....WEST 15 TO 30 MPH.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.6 PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......4900 FT AGL INCREASING TO 13400 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....WEST 15 TO 30 MPH.
SMOKE DISPERSAL.....FAIR (53900 KNOT-FT) INCREASING TO EXCELLENT
                    (199500 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY NIGHT...
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS IN
THE EVENING. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND
10 MPH.
.SUNDAY...
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S. WINDS
GENERALLY LESS THAN 10 MPH.
.MONDAY...
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON AND EVENING. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. WINDS GENERALLY LESS THAN 10 MPH.
.TUESDAY...
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S. WINDS GENERALLY LESS
THAN 10 MPH.

$$
FORECASTER...LIPSON
REQUESTED BY...JON ZIEGLER
TYPE OF REQUEST...WILDFIRE
.TAG 20160729.TOKAW.01/RIW


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