FNUS75 KRIW 150936
FWSRIW

SPOT FORECAST FOR RED TOP...IA TDC
NATIONAL WEATHER SERVICE RIVERTON WY
336 AM MDT THU AUG 15 2013

FORECAST IS BASED ON REQUEST TIME OF 1922 MDT ON AUGUST 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...THIS MORNING COULD START A BIT SMOKY DUE TO THE
WILDFIRES IN IDAHO AND ITS SMOKE MOVING INTO THE REGION OVERNIGHT.
DRY CONDITIONS WILL OCCUR TODAY AND FRIDAY OVER THE FIRE AREA.
AFTERNOON HUMIDITY WILL BE VERY LOW BUT WIND SPEEDS WILL BE
FAIRLY LIGHT THIS AFTERNOON AND AGAIN FRIDAY AFTERNOON.
TEMPERATURES WILL BE WARM BOTH DAYS.  THE NEXT CHANCE FOR A SHOWER
OR THUNDERSTORM WILL BE SATURDAY AFTERNOON AND EVENING.

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

FORECASTER...AR

.TODAY...
SKY/WEATHER.........SMOKY SKY IN THE MORNING. OTHERWISE MOSTLY
                    SUNNY.
MAX TEMPERATURE.....82-86.
MIN HUMIDITY........10-14 PERCENT.

20 FOOT WINDS.......UPSLOPE/UPVALLEY AT 4 TO 8 MPH UNTIL 1200.
                    WEST AT 5 TO 8 MPH AFTER 1200 WITH GUSTS
                    AROUND 10 MPH.

RIDGE TOP WINDS.....SOUTH AT 5 TO 10 MPH UNTIL 1200.
                    WEST AT 5 TO 10 MPH WITH GUSTS TO 15 MPH
                    IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 10000-11000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....VARIABLE IN DIRECTION AT 5 TO 9 MPH UNTIL 1200.
                    WEST AT 10 TO 15 MPH AFTER 1200.
SMOKE DISPERSAL.....POOR...INCREASING TO GOOD BY 1300...THEN VERY
                    GOOD BY 1500.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....44-47.
MAX HUMIDITY........56-59 PERCENT.

20 FOOT WINDS.......WEST AT 5 TO 8 MPH UNTIL 2000...THEN BECOMING
                    DOWNSLOPE/DOWNVALLEY AT 4 TO 7 MPH AFTER 2000.

RIDGE TOP WINDS.....WEST AT 10 TO 15 MPH UNTIL 2000...THEN
                    BECOMING VARIABLE IN DIRECTION AT 5 MPH BY
                    MIDNIGHT.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 500-1000 FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....WEST AT 10 TO 15 MPH UNTIL 2000.
                    THEN BECOMING VARIABLE IN DIRECTION AROUND 5 MPH
                    BY MIDNIGHT.
SMOKE DISPERSAL.....VERY GOOD...DECREASING TO FAIR BY 2200...BECOMING
                    POOR AFTER MIDNIGHT.

.FRIDAY...
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....83-87.
MIN HUMIDITY........9-12 PERCENT.

20 FOOT WINDS.......UPSLOPE/UPVALLEY AT 4 TO 8 MPH UNTIL 1200.
                    WEST TO SOUTHWEST AT 5 TO 8 MPH AFTER 1200
                    WITH GUSTS AROUND 10 MPH.

RIDGE TOP WINDS.....SOUTH AT 5 TO 10 MPH UNTIL 1200.
                    WEST TO SOUTHWEST AT 5 TO 10 MPH WITH GUSTS
                    TO 15 MPH IN THE AFTERNOON.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 10000-11000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....VARIABLE AROUND 5 MPH IN THE MORNING.
                    SOUTHWEST AT 10 TO 15 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR...INCREASING TO GOOD BY 1300...INCREASING
                    TO VERY GOOD IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...

.FRIDAY NIGHT...MOSTLY CLEAR. LOWS IN THE MID 40S.
WIND BECOMING DOWNSLOPE/DOWNVALLEY AFTER SUNSET AT 4 TO 7 MPH.

.SATURDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS 80 TO 85.
WINDS UPSLOPE/UPVALLEY AT 5 TO 8 MPH IN THE MORNING.
SOUTH TO SOUTHWEST AT 5 TO 10 MPH IN THE AFTERNOON.

.SUNDAY...PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 80S. WINDS GENERALLY LESS THAN 10 MPH.

.MONDAY...MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID
80S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...ROSS
REQUESTED BY...IC
REASON FOR REQUEST...WILDFIRE
.TAG 20130814.REDTO.01/RIW