FNUS75 KRIW 141507
FWSRIW

SPOT FORECAST FOR UPPER WIND FT6...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
907 AM MDT TUE MAY 14 2013

FORECAST IS BASED ON IGNITION TIME OF 0850 MDT ON MAY 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...TWO DRY COLD FRONTS COMING THROUGH TODAY WITH SLIGHTLY
TEMPS...ABOUT 4 TO 6 DEGREES COOLER THAN YESTERDAY. GUSTY WINDS
HOWEVER MAY BE PROBLEMATIC AS FRONT PASSING AND SURFACE PRESSURES
RISE. NO THUNDERSTORMS ARE EXPECTED FOR YOUR AREA AT THIS TIME
...HOWEVER ISOLATED THUNDERSTORMS WILL BE POSSIBLE TOMORROW.



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

FORECASTER...BRAUN

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
MAX TEMPERATURE.....62-66.
MIN HUMIDITY........15-20 PERCENT.
20 FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 20
                    MPH INCREASING TO 20 TO 25 MPH WITH GUSTS TO
                    AROUND 40 MPH LATE IN THE AFTERNOON.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2300-3300 FT AGL INCREASING TO 5800-6800 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 15 TO 25 MPH.
SMOKE DISPERSAL.....FAIR (44000 KNOT-FT) INCREASING TO VERY GOOD
                    (116400 KNOT-FT) IN THE AFTERNOON.

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
MIN TEMPERATURE.....35-40.
MAX HUMIDITY........65-70 PERCENT.
20 FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH
                    DECREASING TO 15 MPH AFTER MIDNIGHT.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3300-4300 FT AGL DECREASING TO 400-1400 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....WEST 15 TO 25 MPH.
SMOKE DISPERSAL.....GOOD (76900 KNOT-FT) DECREASING TO POOR (13300
                    KNOT-FT) AFTER MIDNIGHT.

.WEDNESDAY...
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (30-40 PERCENT).
MAX TEMPERATURE.....60-65.
MIN HUMIDITY........20-25 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH BECOMING WEST 10 TO 15
                    MPH WITH GUSTS TO AROUND 25 MPH IN THE
                    AFTERNOON.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3100-4100 FT AGL INCREASING TO 6500-7500 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 15 TO 25 MPH.
SMOKE DISPERSAL.....FAIR (55600 KNOT-FT) INCREASING TO VERY GOOD
                    (126400 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY NIGHT...PARTLY CLOUDY. LOWS IN THE MID 30S. WINDS
GENERALLY LESS THAN 10 MPH.
.THURSDAY...PARTLY CLOUDY WITH SCATTERED SHOWERS...THUNDERSTORMS
AND SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS AROUND 60. WINDS
GENERALLY LESS THAN 10 MPH.
.FRIDAY...MOSTLY CLOUDY WITH SCATTERED THUNDERSTORMS...CHANCE OF
SHOWERS AND SNOW SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE MID
50S. WINDS GENERALLY LESS THAN 10 MPH.
.SATURDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS...THUNDERSTORMS
AND SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN THE UPPER 20S. HIGHS
IN THE LOWER 50S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...BRAUN
REQUESTED BY...NICK PIEPER
REASON FOR REQUEST...PRESCRIBED
.TAG 20130514.UPPER.01/RIW