FNUS75 KRIW 072348
FWSRIW

SPOT FORECAST FOR SHEEP PARK...IA CDC
NATIONAL WEATHER SERVICE RIVERTON WY
548 PM MDT TUE AUG 7 2012

FORECAST IS BASED ON REQUEST TIME OF 1714 MDT ON AUGUST 07. 
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

HIGH PRESSURE WILL CONTINUE TO CONTROL THE WEATHER OVER THE FIRE
AREA TONIGHT AND TOMORROW. RH RECOVERY WILL BE POOR TONIGHT AND WIND
WILL BE MAINLY TERRAIN DRIVEN. NO SHOWER ACTIVITY IS EXPECTED
THROUGH WEDNESDAY. THURSDAY WILL SEE AN INCREASE IN LOW LEVEL
MOISTURE WITH A CHANCE FOR ISOLATED THUNDERSTORMS DURING THE
AFTERNOON HOURS.


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

FORECASTER...BERC

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (25-35 PERCENT). 
MIN TEMPERATURE.....57-61. 
MAX HUMIDITY........30-35 PERCENT. 
20 FOOT WINDS.......NORTH WINDS AROUND 8 MPH EARLY IN THE EVENING 
                    BECOMING DOWNSLOPE/DOWNVALLEY 4-7 MPH AFTER 2100
                    ...THEN BECOMING EAST 10 TO 11 MPH AFTER 2400. 
                    GUSTS UP TO 15 MPH INCREASING TO 20 MPH AFTER 
                    2400. 
RIDGE TOP WINDS.....NORTH AROUND 20 MPH SHIFTING TO THE EAST IN THE 
                    LATE AFTER 2100. 
LAL.................1. 
CHC OF WETTING RAIN.ZERO PERCENT. 
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED 
                    FIRE GROWTH. 
MIXING HEIGHT.......8800-9800 FT AGL DECREASING TO 4400-5000 FT AGL 
                    AFTER MIDNIGHT. 
TRANSPORT WINDS.....NORTH AROUND 22 MPH SHIFTING TO THE EAST 20 TO 
                    25 MPH IN THE LATE EVENING AND OVERNIGHT. 
SMOKE DISPERSAL.....EXCELLENT (175000 KNOT-FT) DECREASING TO GOOD 
                    (87400 KNOT-FT) AFTER MIDNIGHT. 

.WEDNESDAY...
SKY/WEATHER.........SUNNY (0-5 PERCENT). 
MAX TEMPERATURE.....84-87. 
MIN HUMIDITY........6-9 PERCENT. 
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. 
RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH SHIFTING TO THE WEST 
                    BY 1300...THEN SHIFTING TO THE 
                    NORTHWEST 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.......5900-6900 FT AGL INCREASING TO 10000-11000 FT 
                    AGL IN THE AFTERNOON. 
TRANSPORT WINDS.....SOUTHEAST 18 TO 20 MPH SHIFTING TO THE WEST 
                    AROUND 17 MPH EARLY IN THE AFTERNOON...THEN 
                    SHIFTING TO THE NORTHWEST AROUND 20 MPH LATE IN 
                    THE AFTERNOON. 
SMOKE DISPERSAL.....GOOD (69600 KNOT-FT) INCREASING TO VERY GOOD 
                    (122700 KNOT-FT) IN THE AFTERNOON. 

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY NIGHT...CLEAR. LOWS IN THE LOWER 60S. WINDS GENERALLY
LESS THAN 10 MPH. 
.THURSDAY...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 60S. HIGHS IN THE MID 80S. WEST WINDS AROUND
10 MPH. 
.FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE MID 80S. WINDS
GENERALLY LESS THAN 10 MPH. 
.SATURDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE LOWER 80S. WINDS
GENERALLY LESS THAN 10 MPH. 
.SUNDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 60. HIGHS IN THE LOWER 80S. WINDS
GENERALLY LESS THAN 10 MPH. 

$$

FORECASTER...BERC
REQUESTED BY...CDC
REASON FOR REQUEST...WILDFIRE
.TAG 20120807.SHEEP.01/RIW