Suppression Forecast
Issued by NWS Riverton, WY

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000
FNUS75 KRIW 090951
FWSRIW

SPOT FORECAST FOR FIREHOLE...IA RWC
NATIONAL WEATHER SERVICE RIVERTON WY
351 AM MDT WED JUL 9 2014

FORECAST IS BASED ON REQUEST TIME OF 0800 MDT ON JULY 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

ISOLATED HIGH BASED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE
THIS AFTERNOON. THE MAIN HAZARD FROM THIS ACTIVITY WILL BE STRONG
OUTFLOW WINDS BETWEEN 40 AND 50 MPH...WHICH CAN OCCUR WELL AWAY
FROM THE THUNDERSTORM. OTHERWISE...ANOTHER HOT DAY IS EXPECTED
WITH SIMILAR TEMPS AND HUMIDITY AS YESTERDAY. WINDS...OUTSIDE OF
THUNDERSTORMS...ARE EXPECTED TO BE MAINLY LIGHT WESTERLY TODAY.

COOLER TEMPERATURES AND HIGHER HUMIDITY ARE EXPECTED THURSDAY WITH
WIDELY SCATTERED SHOWERS AND THUNDERSTORMS.

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

FORECASTER...MURRELL

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). VERY ISOLATED
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....88.
MIN HUMIDITY........12 PERCENT.
20 FOOT WINDS.......SOUTH TO SOUTHWEST 3-6 MPH...BECOMING WEST
                    AROUND 10 MPH BETWEEN 11 AM AND 1 PM. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR ANY THUNDERSTORMS.
RIDGE TOP WINDS.....WEST AROUND 10 MPH.
LAL.................1 UNTIL NOON...THEN 2.
CHC OF WETTING RAIN.NEAR ZERO.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......10500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 5-10 MPH...INCREASING TO 10-15 MPH IN
                    THE AFTERNOON.
SMOKE DISPERSAL.....INCREASING TO GOOD (94500 KNOT-FT) BY MIDDAY.

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....AROUND 60.
MAX HUMIDITY........50 PERCENT.
20 FOOT WINDS.......WEST AROUND 10 MPH...BECOMING SOUTH 3-7 MPH
                    BY MIDNIGHT. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR ANY THUNDERSTORMS IN THE EVENING.
RIDGE TOP WINDS.....WEST AROUND 10 MPH.
LAL.................2 UNTIL 10 PM...THEN 1.
CHC OF WETTING RAIN.NEAR ZERO.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......800 FT AGL BY 9 PM.
TRANSPORT WINDS.....WEST TO SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....DECREASING TO POOR BY 9 PM.

.THURSDAY...
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (60-70 PERCENT) WITH WIDELY
                    SCATTERED SHOWERS AND THUNDERSTORMS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....83.
MIN HUMIDITY........22 PERCENT.
20 FOOT WINDS.......WEST 5-10 MPH...INCREASING TO AROUND 10 MPH
                    IN THE AFTERNOON. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR ANY THUNDERSTORMS.
RIDGE TOP WINDS.....WEST AROUND 10 MPH...INCREASING TO AROUND 15
                    MPH BY NOON.
LAL.................1 UNTIL 11 AM...THEN 3.
CHC OF WETTING RAIN.5 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......8000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 10 MPH...INCREASING TO AROUND 15
                    MPH BY NOON.
SMOKE DISPERSAL.....INCREASING TO GOOD (90000 KNOT-FT) BY MIDDAY.

.FORECAST DAYS 3 THROUGH 5...

.THURSDAY NIGHT...PARTLY CLOUDY. WIDELY SCATTERED SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 50S. WINDS
GENERALLY LESS THAN 10 MPH.

.FRIDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.
HIGHS IN THE LOWER 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 UPPER 80S.
WINDS GENERALLY LESS THAN 10 MPH.

.SUNDAY...MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 80S. WINDS
GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MURRELL
REQUESTED BY...ALYSSA HAMMOND
REASON FOR REQUEST...WILDFIRE
.TAG 20140708.FIREH.01/RIW





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