FNUS75 KRIW 141956
FWSRIW

SPOT FORECAST FOR AFD...USFS
NATIONAL WEATHER SERVICE RIVERTON WY
156 PM MDT FRI JUN 14 2013

FORECAST IS BASED ON IGNITION TIME OF 1350 MDT ON JUNE 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
MUCH COOLER THAT YESTERDAY WITH CLEAR SKIES MOST ZONES...AND MUCH
MORE STABLE WITH NO CHANCES FOR SHOWERS OR THUNDERSTORMS.
HOWEVER...GUSTY WINDS OUT OF THE SOUTHWEST TO WEST TODAY...WITH ALL
ZONES EXPERIENCING PERIODS OF WINDS 15 MPH=- WITH GUSTS TO 25 MPH AT
THE LOWER LEVELS THEN ADD 10 TO 20 MPH TO THOSE VALUES ABOVE 10K FT
MSL. SATURDAY WILL BE GREAT WITH HIGH TEMPERATURES IN THE UPPER 60S
TO NEAR 80 MOST AREAS...DEPENDING ON ELEVATION...BUT WITH
SIGNIFICANTY LESS WIND.


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

FORECASTER...BRAUN

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
TEMPERATURE.........MIN 36.
RH..................MAX 59 PERCENT.
20 FOOT WINDS.......WEST WINDS 10 MPH WITH GUSTS TO AROUND 15
                    MPH EARLY IN THE EVENING BECOMING
                    DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 40
                    MPH SHIFTING TO THE SOUTH AROUND 10 MPH AFTER
                    MIDNIGHT...THEN SHIFTING TO THE EAST LATE
                    IN THE NIGHT.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5500-6500 FT AGL DECREASING TO 1600-2600 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH SHIFTING TO THE EAST
                    AROUND 8 MPH LATE IN THE NIGHT.
SMOKE DISPERSAL.....GOOD (72300 KNOT-FT) DECREASING TO POOR (12900
                    KNOT-FT) AFTER MIDNIGHT.

.SATURDAY...
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
TEMPERATURE.........MAX 73.
RH..................MIN 17 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....NORTH AROUND 5 MPH SHIFTING TO THE SOUTHWEST IN
                    THE LATE MORNING AND EARLY AFTERNOON...THEN
                    INCREASING TO AROUND 15 MPH LATE IN THE
                    AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2500-3500 FT AGL INCREASING TO 7400-8400 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....NORTH AROUND 8 MPH SHIFTING TO THE SOUTHWEST 9
                    TO 15 MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR (27800 KNOT-FT) INCREASING TO GOOD (92900
                    KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY NIGHT...MOSTLY CLEAR. LOWS IN THE MID 30S. WINDS
GENERALLY LESS THAN 10 MPH.
.SUNDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER
70S. WINDS GENERALLY LESS THAN 10 MPH.
.MONDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER
70S. WINDS GENERALLY LESS THAN 10 MPH.
.TUESDAY...MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS AROUND 80.
WINDS GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
MID 70S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...BRAUN
REQUESTED BY...PAUL CLEMENT
REASON FOR REQUEST...PRESCRIBED
.TAG 20130614.AFD__.01/RIW