FNUS75 KRIW 241712
FWSRIW

SPOT FORECAST FOR BOOTH...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
1112 AM MDT FRI SEP 24 2010

FORECAST IS BASED ON REQUEST TIME OF 1056 MDT ON SEPTEMBER 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
WEST FLOW ALOFT WILL BE OVER THE FIRE AREA TODAY AND TONIGHT.  HIGH
PRESSURE WILL BUILD OVER THE GREAT BASIN AND NORTHERN ROCKIES TONIGHT
THROUGH THE WEEKEND BRINGING WARMER TEMPERATURES AND LOWER RELATIVE
HUMIDITY...AND DECREASING WIND ALOFT.

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

FORECASTER...C.BAKER

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) BECOMING
                    MOSTLY SUNNY BY 4 PM MDT (10-20 PERCENT).
MAX TEMPERATURE.....67-70.
MIN HUMIDITY........18-22 PERCENT.
20 FOOT WINDS.......SOUTHWEST 12 MPH BECOMING WEST 14 TO 18
                    MPH WITH GUSTS TO AROUND 25 MPH BY 2 PM MDT IN THE
                    AFTERNOON.
RIDGE TOP WINDS.....WEST 20 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4500-5500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....20 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....VERY GOOD (110000 KNOT-FT) IN THE AFTERNOON.

.TONIGHT...
SKY/WEATHER.........CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....33-36.
MAX HUMIDITY........55-58 PERCENT.
20 FOOT WINDS.......NORTHWEST WINDS 10 TO 14 MPH. GUSTS UP TO 25
                    MPH DECREASING TO 20 MPH AFTER MIDNIGHT.
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3900-4900 FT AGL DECREASING TO 900-1900 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTHWEST 18 TO 23 MPH.
SMOKE DISPERSAL.....GOOD (85500 KNOT-FT) DECREASING TO POOR (22800
                    KNOT-FT) AFTER MIDNIGHT.

.SATURDAY...
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....66-69.
MIN HUMIDITY........15-18 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. GUSTS UP TO 15 MPH IN
                    THE MORNING.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1000-2000 FT AGL INCREASING TO 5000 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 12 TO 17 MPH.
SMOKE DISPERSAL.....POOR (16100-37100 KNOT-FT) BECOMING GOOD (85000
                    KNOT-FT) BY 1 PM MDT.

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY NIGHT...CLEAR. LOWS IN THE MID 30S. WINDS GENERALLY
LESS THAN 10 MPH.
.SUNDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER
70S. WINDS GENERALLY LESS THAN 10 MPH.
.MONDAY...CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER 60S.
WINDS GENERALLY LESS THAN 10 MPH.
.TUESDAY...CLEAR. LOWS IN THE MID 30S. HIGHS AROUND 70. WINDS
GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...C.BAKER
REQUESTED BY...STRAUBURG
REASON FOR REQUEST...WILDFIRE
.TAG 20100924.BOOTH.01/RIW