FNUS75 KRIW 031456
FWSRIW

SPOT FORECAST FOR WIGGINS FORK R-4...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
856 AM MDT WED NOV 3 2010

FORECAST IS BASED ON IGNITION TIME OF 0810 MDT ON NOVEMBER 03.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A RIDGE OF HIGH PRESSURE OVER THE ROCKIES WILL RESULT IN
UNSEASONABLY WARM CONDITIONS THROUGH FRIDAY.  WINDS ARE
EXPECTED TO BE LIGHT WITH SMOKE DISPERSAL IN THE POOR TO FAIR
CATEGORIES TODAY. THE LIGHT UPSLOPE WINDS WILL DRAW IN HIGHER DEW POINTS
FROM THE LOWER ELEVATIONS AND WILL KEEP THE AIR MASS FROM BECOMING VERY DRY.
A PACIFIC TROUGH OF LOW PRESSURE WILL PROVIDE A CHANCE OF SHOWERS FOR THE WEEKEND.

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

FORECASTER...LIPSON

.TODAY...
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....49-52.
MIN HUMIDITY........42-49 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 4-6 MPH BECOMING SOUTHWEST AT 5 TO 10 MPH
                    BY 1400.
RIDGE TOP WINDS.....NORTH AROUND 15 MPH SHIFTING TO THE SOUTHEAST
                    BY AFTERNOON.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1400-2400 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 16 MPH SHIFTING TO THE SOUTHEAST
                    14 TO 15 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (11900-28600 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
MIN TEMPERATURE.....AROUND 30.
MAX HUMIDITY........78-81 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....EAST AROUND 10 MPH SHIFTING TO THE NORTH AFTER
                    MIDNIGHT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1400-2400 FT AGL DECREASING TO 400 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....EAST AROUND 13 MPH SHIFTING TO THE NORTH AFTER
                    MIDNIGHT.
SMOKE DISPERSAL.....POOR (5000-21200 KNOT-FT).

.THURSDAY...
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....55-58.
MIN HUMIDITY........35-40 PERCENT.
20 FOOT WINDS.......DOWNSLOPE WINDS 3 TO 6 MPH BECOMING UPSLOPE/UPVALLEY 5-9 MPH
                    BY 1100. THEN WINDS BECOMING WEST NORTHWEST 10 TO 12 MPH
                    BY 1500.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1200-2200 FT AGL.
TRANSPORT WINDS.....WEST 14 TO 18 MPH.
SMOKE DISPERSAL.....POOR (12800-30300 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...CLEAR. LOWS AROUND 30. WINDS GENERALLY LESS
THAN 10 MPH.
.FRIDAY...MOSTLY CLEAR. LOWS AROUND 30. HIGHS IN THE UPPER 50S.
WINDS GENERALLY LESS THAN 10 MPH.
.SATURDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS AROUND 30. HIGHS IN THE LOWER 50S. WINDS GENERALLY
LESS THAN 10 MPH.
.SUNDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 40S. WEST
WINDS AROUND 10 MPH.

$$

FORECASTER...LIPSON
REQUESTED BY...CDC
REASON FOR REQUEST...PRESCRIBED
.TAG 20101103.WIGGI.02/RIW