FNUS75 KRIW 082024
FWSRIW

SPOT FORECAST FOR WIGGIN FORK R-4...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
124 PM MST MON NOV 8 2010

FORECAST IS BASED ON IGNITION TIME OF 1400 MST ON NOVEMBER 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MST TUESDAY...

.DISCUSSION...
CLOUD COVER CONTINUES TO INCREASE OVER THE BURN SITE THIS
AFTERNOON. EXPECT RAIN AND SNOW TO DEVELOP THIS AFTERNOON AS AN
AREA OF LOW PRESSURE CONTINUES TO ADVANCE OVER THE BURN SITE.
ANY RAIN SHOWER ACTIVITY WILL ASSUREDLY CONVERT TO SNOWFALL
DURING THE OVERNIGHT HOURS. THE AREA OF THE BURN SITE IS UNDER A
WINTER WEATHER ADVISORY FOR SNOWFALL...THOUGH MOST OF THE HEAVIER
SNOWFALL IS EXPECTED TO FALL WELL NORTH OF THE BURN SITE. SNOWFALL
WILL CONTINUE THROUGH TUESDAY...WITH MUCH COOLER TEMPERATURES
EXPECTED OVER THE AREA. SNOWFALL OCCURRING THROUGH TUESDAY
AFTERNOON MAY ACCUMULATE TO 3 TO 5 INCHES OVER THE BURN SITE.
SURFACE WIND OF 10 TO 15 MPH MAY CREATE SOME AREAS OF BLOWING AND
DRIFTING OVER THE BURN SITE. CONDITIONS WILL IMPROVE TUESDAY
EVENING...WITH SNOWFALL WEAKENING. HOWEVER...TEMPERATURES WILL
REMAIN COOLER WITH SOME LINGERING SNOWFALL POSSIBLE THROUGH
THURSDAY.


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

FORECASTER...BRANHAM

.TODAY...
SKY/WEATHER.........BECOMING CLOUDY (95-100 PERCENT). RAIN LIKELY.
MAX TEMPERATURE.....46-49.
MIN HUMIDITY........41-44 PERCENT.
20 FOOT WINDS.......WEST TO SOUTHWEST 9 TO 15 MPH WITH GUSTS TO AROUND
                    25 MPH.
RIDGE TOP WINDS.....WEST TO SOUTHWEST 15 TO 20 MPH.
LAL.................1.
CHC OF WETTING RAIN.28 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 2500-3000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST TO THE WEST 20 TO 25 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (24900-45900 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........CLOUDY (95-100 PERCENT). SNOW.
MIN TEMPERATURE.....20-24.
MAX HUMIDITY........96-100 PERCENT.
20 FOOT WINDS.......WEST WINDS 8 TO 13 MPH WITH GUSTS TO AROUND 25
                    MPH UNTIL EARLY MORNING.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.
LAL.................1.
CHC OF WETTING RAIN.57 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH...DECREASING TO 2 AFTER
                    0200.
MIXING HEIGHT.......DECREASING TO AROUND 500 FT AGL BY 0300.
TRANSPORT WINDS.....WEST 20 TO 25 MPH...DECREASING TO 15 TO 20
                    AFTER 0400.
SMOKE DISPERSAL.....POOR (7000-33300 KNOT-FT).

.TUESDAY...
SKY/WEATHER.........CLOUDY (95-100 PERCENT). SNOW LIKELY IN THE
                    MORNING...THEN CHANCE OF SNOW AFTER 1100.
MAX TEMPERATURE.....28-32.
MIN HUMIDITY........71-74 PERCENT.
20 FOOT WINDS.......WEST 8 TO 12 MPH...INCREASING TO AROUND 15 MPH
                    AFTER 1400 WITH GUSTS UP TO 25 MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.
LAL.................1.
CHC OF WETTING RAIN.57 PERCENT THROUGH 1100...THEN AROUND 10
                    PERCENT.
HAINES INDEX........INCREASING TO 3 OR VERY LOW POTENTIAL FOR
                    LARGE PLUME DOMINATED FIRE GROWTH BY 1400.
MIXING HEIGHT.......INCREASING TO 1200-1700 FT AGL BY 1400.
TRANSPORT WINDS.....WEST 17 TO 22 MPH.
SMOKE DISPERSAL.....POOR (15900-26600 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.TUESDAY NIGHT...COLDER. PARTLY CLOUDY WITH SLIGHT CHANCE OF
SNOW. LOWS AROUND 11. WINDS GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...MOSTLY CLOUDY. CHANCE OF SNOW. LOWS AROUND 12. HIGHS
IN THE MID 20S. WINDS GENERALLY LESS THAN 10 MPH.
.VETERANS DAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS.
LOWS AROUND 10. HIGHS IN THE UPPER 20S. WINDS GENERALLY LESS THAN
10 MPH.
.FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS. LOWS
AROUND 14. HIGHS IN THE LOWER 30S. WINDS GENERALLY LESS THAN
10 MPH.

$$

FORECASTER...BRANHAM
REQUESTED BY...S-521
REASON FOR REQUEST...PRESCRIBED
.TAG 20101108.WIGGI.01/RIW