FNUS75 KRIW 051021
FWSRIW

SPOT FORECAST FOR INDEX CREEK...USFS
NATIONAL WEATHER SERVICE RIVERTON WY
421 AM MDT THU JUL 5 2012

FORECAST IS BASED ON REQUEST TIME OF 1857 MDT ON JULY 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...EXPECT SOME MORNING LIGHT SHOWERS OR SPRINKLES AHEAD
OF A WEATHER SYSTEM THAT MOVES ACROSS NORTHWEST WYOMING THIS
AFTERNOON AND EVENING. AFTER THE MORNING SHOWER ACTIVITY...THE THREAT
OF ADDITIONAL SHOWERS AND A FEW THUNDERSTORMS OCCURS THIS AFTERNOON
THROUGH SUNSET THIS EVENING. TEMPERATURES WILL BE COOLER TODAY AND
RELATIVE HUMIDITY SHOULD BE HIGHER OVERALL TODAY. CLOUDS WILL DECREASE
AFTER MIDNIGHT TONIGHT. FRIDAY LOOKS A LITTLE WARMER WITH MORE MORNING
SUNSHINE. THE AIRMASS WILL BECOME UNSTABLE FRIDAY AFTERNOON WITH A
CHANCE OF SHOWERS AND A FEW THUNDERSTORMS DURING THE AFTERNOON AND
EVENING HOURS.

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

FORECASTER...AR

.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF LIGHT RAIN SHOWERS OR
                    SPRINKLES THIS MORNING.
                    A CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS
                    FOR THE AFTERNOON.
MAX TEMPERATURE.....64-68.
MIN HUMIDITY........27-32 PERCENT.
20 FOOT WINDS.......NORTH TO NORTHEAST AT 5 TO 10 MPH WITH GUSTS
                    AROUND 15 MPH.

                    GUSTY AND ERRATIC WINDS TO 30 MPH EXPECTED NEAR
                    THUNDERSTORMS.

RIDGE TOP WINDS.....SOUTH TO SOUTHWEST AT 10 TO 15 MPH BY 1200.

                    GUSTY AND ERRATIC WINDS TO 40 MPH EXPECTED NEAR
                    THUNDERSTORMS.
LAL.................1 UNTIL 1200...THEN LAL 2.
CHC OF WETTING RAIN.39 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 5600-6600 FT AGL THIS AFTERNOON.
TRANSPORT WINDS.....SOUTH TO SOUTHWEST AT 5 TO 10 MPH THIS MORNING.
                    SOUTH TO SOUTHWEST AROUND 15 MPH THIS AFTERNOON.
SMOKE DISPERSAL.....POOR...BECOMING FAIR BY 1100...THEN BECOMING GOOD
                    BY 1400.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY THIS EVENING WITH A CHANCE OF SHOWERS
                    AND ISOLATED THUNDERSTORMS UNTIL MIDNIGHT.
                    BECOMING PARTLY CLOUDY AFTER MIDNIGHT.
MIN TEMPERATURE.....41-45.
MAX HUMIDITY........78-82 PERCENT.
20 FOOT WINDS.......NORTH NORTHWEST AT 5 TO 10 MPH.

                    GUSTY AND ERRATIC WINDS TO 30 MPH EXPECTED NEAR
                    THUNDERSTORMS.

RIDGE TOP WINDS.....WEST TO SOUTHWEST AT 10 TO 15 MPH UNTIL MIDNIGHT.
                    THEN WEST TO SOUTHWEST AROUND 10 MPH AFTER MIDNIGHT.

                    GUSTY AND ERRATIC WINDS TO 40 MPH EXPECTED NEAR
                    THUNDERSTORMS.

LAL.................2 UNTIL MIDNIGHT...THEN LAL 1.
CHC OF WETTING RAIN.29 PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 1500-2500 FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....WEST TO SOUTHWEST AROUND 15 MPH UNTIL SUNSET.
                    THEN BECOMING WEST SOUTHWEST AROUND 10 MPH AFTER
                    MIDNIGHT.
SMOKE DISPERSAL.....FAIR...BECOMING POOR AFTER MIDNIGHT.

.FRIDAY...
SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF SHOWERS AND ISOLATED
                    THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....68-71.
MIN HUMIDITY........33-37 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY OR EAST TO SOUTHEAST AT 5 TO 10 MPH.

                    GUSTY AND ERRATIC WINDS TO 30 MPH EXPECTED NEAR
                    THUNDERSTORMS.

RIDGE TOP WINDS.....WEST TO SOUTHWEST 10 TO 15 MPH.

                    GUSTY AND ERRATIC WINDS TO 40 MPH EXPECTED NEAR
                    THUNDERSTORMS.

LAL.................1 UNTIL 1200...THEN LAL 2.
CHC OF WETTING RAIN.14 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 7100-8100 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST TO SOUTHWEST 10 TO 15 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR...BECOMING FAIR BY 1100...THE BECOMING GOOD
                    BY 1500.

.FORECAST DAYS 3 THROUGH 5...

.FRIDAY NIGHT...PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS IN THE EVENING...THEN ISOLATED SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 40S. WINDS
GENERALLY LESS THAN 10 MPH.

.SATURDAY...PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. HIGHS IN THE LOWER 70S.
WINDS GENERALLY LESS THAN 10 MPH.

.SUNDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 40S. HIGHS AROUND 70. WINDS GENERALLY LESS THAN
10 MPH.

.MONDAY...PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S. WINDS GENERALLY LESS
THAN 10 MPH.

$$

FORECASTER...ROSS
REQUESTED BY...CLINT DAWSON
REASON FOR REQUEST...WILDFIRE
.TAG 20120704.INDEX.01/RIW