Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 072310
FWSRIW

SPOT FORECAST FOR FIREHOLE...IA RWC
NATIONAL WEATHER SERVICE RIVERTON WY
510 PM MDT MON JUL 7 2014

FORECAST IS BASED ON REQUEST TIME OF 1615 MDT ON JULY 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A DRY COLD FRONT WILL PUSH THROUGH THE AREA AROUND
8 PM THIS EVENING. NORTHWEST WINDS WILL CONTINUE TO TURN MORE
NORTHERLY THROUGH THE EARLY EVENING AND THEN BECOME NORTHEAST AND
GUSTY BEHIND THE FRONT. THE COLD FRONT WILL ALSO BRING HIGHER
DEWPOINTS AND BETTER RELATIVE HUMIDITY RECOVERY OVERNIGHT.

DRY AND MOSTLY SUNNY WEATHER IS EXPECTED ON TUESDAY. HIGH
TEMPERATURES WILL SHOW LITTLE TREND ON TUESDAY FROM TODAY...RELATIVE
HUMIDITY WILL BE HIGHER AND WINDS LIGHT.

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

FORECASTER...MEUNIER

.LATE THIS AFTERNOON AND TONIGHT...
SKY/WEATHER.........CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....54-57.
MAX HUMIDITY........59-62 PERCENT.

20 FOOT WINDS.......NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO 30 MPH...BECOMING
                    NORTH 10 TO 20 MPH 1800 TO 2000 THEN BECOMING NORTHEAST
                    15 TO 20 MPH WITH GUSTS 25 TO 30 MPH AROUND 2000...
                    DECREASING TO 10 TO 15 MPH BETWEEN 0400 AND 0600.
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH...BECOMING NORTHEAST
                    20 TO 25 MPH AROUND 2000...THEN BECOMING EAST
                    10 TO 15 MPH 0400 TO 0600.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH...THEN 4 AFTER MIDNIGHT.
MIXING HEIGHT.......10000 FT AGL UNTIL 2000...DECREASING TO
                    2000-3000 FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH SHIFTING TO THE
                    NORTHEAST 15 TO 20 MPH AFTER 2000.
SMOKE DISPERSAL.....EXCELLENT (200000 KNOT-FT) DECREASING TO FAIR
                    (55000 KNOT-FT) AFTER MIDNIGHT.

.TUESDAY...
SKY/WEATHER.........SUNNY (0-5 PERCENT).
MAX TEMPERATURE.....84-87.
MIN HUMIDITY........14-17 PERCENT.

20 FOOT WINDS.......NORTHEAST WINDS 10 TO 15 MPH IN THE MORNING BECOMING
                    NORTHWEST 5-9 MPH IN THE AFTERNOON
RIDGE TOP WINDS.....NORTHEAST 10 TO 15 MPH...BECOMING NORTHWEST 5 TO 10
                    MPH EARLY AFTERNOON.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2800-3800 FT AGL INCREASING TO 7200-8200 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....EAST AROUND 15 MPH IN THE MORNING. NORTHWEST AROUND
                    10 MPH IN THE AFTERNOON
SMOKE DISPERSAL.....FAIR TO GOOD (54400-94600 KNOT-FT).


.FORECAST DAYS 3 THROUGH 5...
.TUESDAY NIGHT...MOSTLY CLEAR. LOWS IN THE UPPER 50S. WINDS
GENERALLY LESS THAN 10 MPH.

.WEDNESDAY...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 80S. WEST WIND
10 TO 20 MPH IN THE LATE MORNING AND AFTERNOON.

.THURSDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 80S. NORTHWEST
WIND 10 TO 15 MPH IN THE AFTERNOON.

.FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 80S. WINDS
GENERALLY LESS THAN 10 MPH.

.SATURDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 80S. WINDS
GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...ALYSSA HAMMOND
REASON FOR REQUEST...WILDFIRE
.TAG 20140707.FIREH.01/RIW






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