FNUS75 KRIW 232005
FWSRIW

SPOT FORECAST FOR ASPEN CREEK FIRE...IA TDC
NATIONAL WEATHER SERVICE RIVERTON WY
205 PM MDT FRI SEP 23 2011

FORECAST IS BASED ON REQUEST TIME OF 1229 MDT ON SEPTEMBER 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE WILL CONTINUE TO DOMINATE THE AREA
TONIGHT AND SATURDAY. TERRAIN DRIVEN WINDS WILL BE LIGHT FOR THE
NEXT COUPLE OF DAYS...WITH SOUTHWEST FLOW PICKING UP SUNDAY
AFTERNOON. TEMPERATURES AND HUMIDITIES WILL BE VERY SIMILAR
SATURDAY AND SUNDAY COMPARED TO FRIDAY. CLOUDINESS WILL INCREASE
ON MONDAY AHEAD OF A WEAK SYSTEM.

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

FORECASTER...MCDONALD

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....34-38.
MAX HUMIDITY........50-60 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 10 MPH SHIFTING TO THE
                    NORTHEAST AFTER MIDNIGHT.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2700-3700 FT AGL DECREASING TO 500 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....NORTHWEST 12 TO 15 MPH SHIFTING TO THE
                    NORTHEAST AROUND 10 MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....FAIR (55500 KNOT-FT) BECOMING POOR
                    (5000 KNOT-FT) AFTER MIDNIGHT.

.SATURDAY...
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....65-68.
MIN HUMIDITY........15-20 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....NORTHEAST 5 TO 10 MPH SHIFTING TO THE SOUTHWEST
                    AROUND 12 MPH IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2000-3000 FT AGL INCREASING TO 6000 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH SHIFTING TO THE
                    SOUTHWEST AROUND 15 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (2000 KNOT-FT) BECOMING GOOD (90000 KNOT-FT)
                    IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY NIGHT...MOSTLY CLEAR. LOWS IN THE UPPER 30S. WINDS
GENERALLY LESS THAN 10 MPH.
.SUNDAY...MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID
60S. WINDS GENERALLY LESS THAN 10 MPH.
.MONDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS AROUND 60. WEST WINDS
AROUND 10 MPH.
.TUESDAY...MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS AROUND 60.
WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MCDONALD
REQUESTED BY...RR IC
REASON FOR REQUEST...WILDFIRE
.TAG 20110923.ASPEN.01/RIW