FNUS75 KRIW 201431
FWSRIW

SPOT FORECAST FOR FLYING PIG...USFS
NATIONAL WEATHER SERVICE RIVERTON WY
831 AM MDT WED OCT 20 2010

FORECAST IS BASED ON REQUEST TIME OF 2058 MDT ON OCTOBER 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE WILL BRING CLEAR SKIES TODAY OVER THE BURN
AREA...ALONG WITH MILD AND DRY CONDITIONS. WINDS WILL GENERALLY BE
TERRAIN DRIVEN. SIMILAR CONDITIONS EXPECTED FOR THURSDAY. RIDGE
BREAKS DOWN FRIDAY WITH INCREASING CLOUDS.


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

FORECASTER...T.BAKER

.TODAY...
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....59-62.
MIN HUMIDITY........17-21 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....WEST 5 TO 10 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......4000 FT AGL.
TRANSPORT WINDS.....WEST 10 MPH.
SMOKE DISPERSAL.....FAIR (40000 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....40-43.
MAX HUMIDITY........45-50 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....WEST 5 TO 10 MPH EARLY IN THE EVENING BECOMING
                    LIGHT AND VARIABLE.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....WEST 5 MPH.
SMOKE DISPERSAL.....POOR (2500 KNOT-FT).

.THURSDAY...
SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....61-64.
MIN HUMIDITY........15-18 PERCENT.
20 FOOT WINDS.......LIGHT AND VARIABLE IN THE MORNING BECOMING
                    UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....WEST 5 TO 10 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5000 FT AGL.
TRANSPORT WINDS.....WEST 10 MPH.
SMOKE DISPERSAL.....FAIR (50000 KNOT-FT).

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

$$

FORECASTER...T.BAKER
REQUESTED BY...CDC
REASON FOR REQUEST...WILDFIRE
.TAG 20101019.FLYIN.01/RIW