Suppression Forecast
Issued by NWS Riverton, WY

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FNUS75 KRIW 220014
FWSRIW

SPOT FORECAST FOR DEER CREEK...BLM
NATIONAL WEATHER SERVICE RIVERTON WY
614 PM MDT FRI AUG 21 2015

FORECAST IS BASED ON REQUEST TIME OF 1735 MDT ON AUGUST 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 6 AM MDT SATURDAY...

.DISCUSSION...A BREEZY TO WINDY EVENING WITH LOW RELATIVE
HUMIDITY. A COLD FRONT IS FORECAST TO PASS THROUGH THE
FIRE LOCATION BETWEEN 500 AM AND 700 AM SATURDAY MORNING.
THIS FRONT WILL BRING A WIND SHIFT TO THE NORTHWEST WITH
COOLER TEMPERATURES MOVING IN AND AN INCREASE IN HUMIDITY.
THE COLD FRONT WILL NOT HAVE ANY SHOWERS OR STORMS WITH IT...
ONLY THE GUSTY WIND.

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

FORECASTER...AR

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. AREAS OF SMOKE.
MIN TEMPERATURE.....51-54.
MAX HUMIDITY........30-35 PERCENT...PRIOR TO COLD FRONT PASSAGE.
                    50-55 PERCENT...AFTER COLD FRONT PASSAGE.

20 FOOT WINDS.......WEST TO SOUTHWEST AT 12 TO 18 MPH WITH GUSTS
                    TO 23 MPH. WIND BECOMING NORTHWEST AT 10 TO
                    15 MPH BETWEEN 500 AM AND 700 AM WITH COLD
                    FRONT PASSAGE.

RIDGE TOP WINDS.....WEST AT 17 TO 22 MPH WITH GUSTS TO 30 MPH.
                    WIND BECOMING NORTHWEST AT 15 TO 20 MPH WITH
                    COLD FRONT PASSAGE BETWEEN 500 AM AND 700 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 4000-5000 FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....WEST AT 20 MPH.
SMOKE DISPERSAL.....EXCELLENT...DECREASING TO GOOD BY MIDNIGHT
                    AND STAYING GOOD MOST OF THE OVERNIGHT HOURS.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....62-65.
MIN HUMIDITY........27-30 PERCENT.

20 FOOT WINDS.......NORTHWEST AT 10 TO 15 MPH...GUSTS TO 20 MPH.

RIDGE TOP WINDS.....NORTHWEST AT 15 TO 20 MPH...GUSTS TO 25 MPH.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 5000-6000 FT AGL.
TRANSPORT WINDS.....NORTHWEST AT 20 MPH.
SMOKE DISPERSAL.....GOOD IN THE MORNING...BECOMING VERY GOOD BY
                    1400.

.SATURDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........68-71 PERCENT.

20 FOOT WINDS.......NORTH TO NORTHWEST AT 10 TO 15 MPH UNTIL SUNSET.
                    THEN WIND BECOMING NORTHEAST TO EAST AT 5 TO 10 MPH
                    BY MIDNIGHT.

RIDGE TOP WINDS.....NORTH TO NORTHWEST AT 15 TO 20 MPH UNTIL SUNSET.
                    THEN WIND BECOMING NORTHEAST TO EAST AT 8 TO 13 MPH
                    BY MIDNIGHT.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 1000-2000 FT AGL AFTER MIDNIGHT.

TRANSPORT WINDS.....NORTH TO NORTHWEST AT 15 MPH UNTIL SUNSET.
                    THEN NORTHEAST TO EAST AROUND 10 MPH BY
                    MIDNIGHT.
SMOKE DISPERSAL.....GOOD UNTIL SUNSET...THEN BECOMING FAIR...
                    BECOMING POOR AFTER MIDNIGHT.


.FORECAST DAYS 3 THROUGH 5...

.SUNDAY...SUNNY. AREAS OF SMOKE IN THE EVENING.
HIGHS IN THE MID 70S. WINDS GENERALLY LESS THAN 10 MPH.

.MONDAY...
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS AROUND 80. WINDS
GENERALLY LESS THAN 10 MPH.

.TUESDAY...
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 50S. HIGHS IN THE MID 70S. WINDS GENERALLY LESS
THAN 10 MPH.

$$
FORECASTER...ROSS
REQUESTED BY...MEGAN MULDOON
TYPE OF REQUEST...WILDFIRE
.TAG 20150821.DEERC.01/RIW



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