FNUS75 KRIW 021050
FWSRIW

SPOT FORECAST FOR WILLOW DRAW WF...NPS GTP
NATIONAL WEATHER SERVICE RIVERTON WY
450 AM MDT SAT OCT 2 2010

FORECAST IS BASED ON REQUEST TIME OF 1708 MDT ON OCTOBER 01.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
IT WILL CONTINUE WARM AND DRY OVER THE WEEKEND WITH COOL MORNINGS.
WINDS WILL GENERALLY BE DIURNALLY DRIVEN UNTIL SW WINDS BEGIN INCREASING
SUNDAY NIGHT INTO MONDAY. A STORM SYSTEM WILL BRING A CHANCE OF SHOWERS
TO THE FIRE AREA ON MONDAY ALONG WITH COOLER TEMPERATURES.


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

FORECASTER...SKRBAC

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....73-75.
MIN HUMIDITY........16-20 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 3-6 MPH.
RIDGE TOP WINDS.....SOUTH AROUND 5 MPH SHIFTING TO THE WEST 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.......3300-4300 FT AGL INCREASING TO 8500-9000 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH SHIFTING TO THE WEST 6 TO 10
                    MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (20000 KNOT-FT) INCREASING TO GOOD (90000
                    KNOT-FT) IN THE AFTERNOON.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....33-36.
MAX HUMIDITY........71-74 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3-6 MPH.
RIDGE TOP WINDS.....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.......5900-6900 FT AGL DECREASING TO 300 FT AGL AFTER
                    MIDNIGHT. 5 TO 10 MPH IN THE EVENING THEN
                    LIGHT AND VARIABLE.
SMOKE DISPERSAL.....FAIR (58400 KNOT-FT) DECREASING TO POOR (700
                    KNOT-FT) AFTER MIDNIGHT.

.SUNDAY...
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (30-40 PERCENT).
MAX TEMPERATURE.....73-75.
MIN HUMIDITY........17-21 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 4-7 MPH...BECOMING SOUTHWEST
                    6-10 MPH AFTER 1500L.
RIDGE TOP WINDS.....SOUTHWEST AROUND 5 MPH...INCREASING TO 10-15 MPH
                    AFTER 1400L.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4200-5200 FT AGL INCREASING TO 8000-8500 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....LIGHT AND VARIABLE WINDS BECOMING SOUTH AROUND
                    5 MPH AFTER 1000L AND SOUTHWEST AROUND 10 MPH
                    AFTER 1400L.
SMOKE DISPERSAL.....POOR BECOMING GOOD IN THE AFTERNOON
                    (15000-85000 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY NIGHT...PARTLY CLOUDY WITH ISOLATED SHOWERS. LOWS IN THE
MID 30S. WINDS GENERALLY LESS THAN 10 MPH.
.MONDAY...COOLER. MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE MID 60S. WINDS
GENERALLY LESS THAN 10 MPH.
.TUESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE UPPER 50S. WINDS
GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 50S. WINDS
GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...SKRBAC
REQUESTED BY...ICT4
REASON FOR REQUEST...WILDFIRE
.TAG 20101001.WILLO.02/RIW