Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 231555
FWSRIW

SPOT FORECAST FOR GREEN RIVER RX...UT-ASF
NATIONAL WEATHER SERVICE RIVERTON WY
955 AM MDT TUE JUN 23 2015

FORECAST IS BASED ON IGNITION TIME OF MORNING OF JUNE 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

HOT ALL DAYS. LOW INVERSION MIXING HEIGHT WED MORNING...BREAKING BETWEEN
10 AND 11 AM WITH WINDS INCREASING OUT OF THE WEST TO WEST SOUTHWEST AT
15 TO 20 MPH BETWEEN 2 AND 3 PM. VERY LOW MIN RH VALUES TO BETWEEN 10 AND
15 PERCENT...PERHAPS A BIT LOWER. < 15% CHANCE PRECIP SOUTH OF THE AREA.
THURSDAY SIMILAR SITUATION...BUT WITH INVERSION/MIXING HEIGHT STARTING
OUT SLIGHTLY HIGHER THAN WEDNESDAY...AND WINDS BECOMING WEST NORTHWEST
15 TO 20 MPH WITH GUSTS TO 25 MPH IN THE AFTERNOON. NO PRECIPITATION.
FRIDAY WILL SEE INVERSION MIXING HEIGHT PERHAPS LIFTING BETWEEN 9 AND 10
AM...WITH RELATIVELY LIGHT WINDS...5 TO 10 MPH...OUT OF THE NORTHWEST.
VENT RATES STILL VERY GOOD TO EXCELLENT BY MID TO LATE MORNING. NO
PRECIPITATION.

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

FORECASTER...BRAUN

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....90-93.
MIN HUMIDITY........10-15 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 4-7 MPH BECOMING WEST
                    TO WEST SOUTHWEST 10 TO 15 MPH WITH GUSTS
                    TO AROUND 25 MPH IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH INCREASING TO WEST SOUTHWEST
                    AROUND 25 MPH LATE IN THE AFTERNOON.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1400-2000 FT AGL EARLY...INCREASING TO 13600-14100 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 8 TO 12 MPH INCREASING TO WEST AROUND
                    25 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR EARLY (18800 KNOT-FT)...BECOMING GOOD BY
                    LATE MORNING (61800 KNOT-FT)...INCREASING TO EXCELLENT
                    (219600 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY NIGHT...
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST WINDS AROUND 10 MPH.
.THURSDAY...
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 90. WINDS
10 TO 15 MPH WITH HIGHER GUSTS.
.FRIDAY...
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER 80S. WINDS
GENERALLY LESS THAN 10 MPH.
.SATURDAY...
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 90. WINDS
GENERALLY LESS THAN 10 MPH.

$$
FORECASTER...BRAUN
REQUESTED BY...DIRK HUBER
TYPE OF REQUEST...PRESCRIBED
.TAG 20150623.GREEN.01/RIW


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