Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 220231
FWSRIW

SPOT FORECAST FOR KEITH CREEK...JOHNSON CO/BLM
NATIONAL WEATHER SERVICE RIVERTON WY
831 PM MDT SUN AUG 21 2016

FORECAST IS BASED ON REQUEST TIME OF 1949 MDT ON AUGUST 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...DRY TONIGHT THROUGH MONDAY NIGHT. THE WIND
WILL BE INCREASING ON MONDAY AHEAD OF A COLD FRONT. IT WILL
BE WARM WITH VERY LOW HUMIDITY WHICH WILL IMPACT FIRE BEHAVIOR.
THE COLD FRONT WILL PASS THROUGH THE FIRE AREA AROUND MIDNIGHT.
THIS WILL LEAD TO A GUSTY NORTHWEST WIND FOR A FEW HOURS AFTER
FRONTAL PASSAGE. THEN THE WIND WILL DECREASE AFTER 400 AM TUE
MORNING.

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

FORECASTER...AR

.REST OF TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....53-56.
MAX HUMIDITY........41-44 PERCENT.

20 FOOT WINDS.......WEST TO SOUTHWEST AT 5 TO 8 MPH.

RIDGE TOP WINDS.....WEST TO SOUTHWEST AT 6 TO 10 MPH.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 1000-2000 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....WEST AROUND 10 MPH.
SMOKE DISPERSAL.....DECREASING TO POOR BY MIDNIGHT.

.MONDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....77-81.
MIN HUMIDITY........8-12 PERCENT.

20 FOOT WINDS.......WEST WIND AT 5 TO 9 MPH UNTIL 1100.
                    WEST WIND AT 12 TO 16 MPH WITH GUSTS 20 TO 25 MPH
                    AFTER 1100.

RIDGE TOP WINDS.....WEST WIND AT 7 TO 12 MPH UNTIL 1100.
                    WEST WIND AT 15 TO 20 MPH WITH GUSTS AROUND 25 MPH.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 8500-9500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....WEST AT 10 TO 15 MPH UNTIL 1100.
                    WEST AT 20 TO 25 MPH AFTER 1100.
SMOKE DISPERSAL.....INCREASING TO VERY GOOD BY 1200.
                    BECOMING EXCELLENT BY 1400.


.MONDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....48-52.
MAX HUMIDITY........45-50 PERCENT.

20 FOOT WINDS.......WEST AT 10 TO 15 MPH. NORTHWEST WIND AT 15 TO
                    20 MPH WITH COLD FRONT PASSAGE AROUND MIDNIGHT.
                    THEN NORTHWEST WIND DECREASING TO 5 TO 10 MPH
                    AFTER 300 AM.

RIDGE TOP WINDS.....WEST AT 12 TO 17 MPH. NORTHWEST WIND 15 TO 20
                    MPH WITH GUSTS AROUND 25 MPH WITH COLD FRONT
                    PASSAGE AROUND MIDNIGHT. NORTHWEST WIND
                    DECREASING TO 7 TO 11 MPH AFTER 300 AM.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 1000-1500 FT AGL AFTER 300 AM.

TRANSPORT WINDS.....WEST AROUND 15 MPH.  NORTHWEST AROUND 20 MPH
                    WITH COLD FRONT PASSAGE.  NORTHWEST AROUND
                    10 MPH AFTER 300 AM.

SMOKE DISPERSAL.....DECREASING TO FAIR AFTER SUNSET.
                    FAIR TO POOR AFTER MIDNIGHT.


.FORECAST DAYS 3 THROUGH 5...

.TUESDAY...
PARTLY CLOUDY WITH SLIGHT CHANCE OF AFTERNOON SHOWERS AND
THUNDERSTORMS.  HIGHS IN THE 65 TO 69.
WEST TO NORTHWEST AT 10 TO 15 MPH.

.WEDNESDAY...
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS AROUND 40. HIGHS 55 TO 60.  EAST TO
NORTHEAST WIND 10 TO 15 MPH.

.THURSDAY...
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS IN THE
LOWER 40S. HIGHS IN THE LOWER 60S. WINDS GENERALLY LESS THAN
10 MPH.

$$
FORECASTER...ROSS
REQUESTED BY...STEVE HAINES
TYPE OF REQUEST...WILDFIRE
.TAG 20160821.KEITH.01/RIW



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