FNUS75 KRIW 281024
FWSRIW

SPOT FORECAST FOR NOWLIN...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
424 AM MDT WED SEP 28 2011

FORECAST IS BASED ON REQUEST TIME OF 1849 MDT ON SEPTEMBER 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A STORM SYSTEM PASSING WELL NORTH OF THE AREA WILL SLIDE A
WEAK...DRY FRONT ACROSS THE AREA LATE THIS MORNING. THE MAIN
EFFECT WILL BE SLIGHTLY STRONGER WESTERLY WINDS THAN WHAT OCCURRED
YESTERDAY. OTHERWISE...DRY CONDITIONS AND WARM LATE SEPTEMBER
TEMPERATURES WILL CONTINUE. LIGHTER WINDS ARE EXPECTED THURSDAY
AND FRIDAY...BUT WARM AND VERY DRY CONDITIONS WILL PERSIST.

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

FORECASTER...MURRELL

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....55-60.
MIN HUMIDITY........23-27 PERCENT.
20 FOOT WINDS.......SOUTHWEST 5-10 MPH BECOMING WEST 10-15 MPH
                    BETWEEN NOON AND 1400. GUSTS TO 20 MPH.
RIDGE TOP WINDS.....WEST AROUND 10 MPH...BECOMING WEST NORTHWEST
                    AROUND 15 MPH AROUND 1400. GUSTS TO 25 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2200-3200 FT AGL INCREASING TO 4800-5800 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 10-15 MPH...BECOMING WEST NORTHWEST
                    15-20 MPH IN THE EARLY AFTERNOON.
SMOKE DISPERSAL.....POOR INCREASING TO GOOD BY EARLY AFTERNOON.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....35-40.
MAX HUMIDITY........65-70 PERCENT.
20 FOOT WINDS.......WEST NORTHWEST WINDS AROUND 10 MPH
                    WITH GUSTS TO AROUND 20 MPH BECOMING
                    DOWNSLOPE/DOWNVALLEY 4-7 MPH BY 2200.
RIDGE TOP WINDS.....NORTHWEST 10-15 MPH BECOMING SOUTHWEST 5-10 MPH
                    BY MIDNIGHT.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3400-4400 FT AGL DECREASING TO 800-1400 FT AGL
                    BY 2100.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH BECOMING SOUTHWEST 5-10 MPH
                    BY MIDNIGHT.
SMOKE DISPERSAL.....BECOMING POOR BY 2100.

.THURSDAY...
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....58-62.
MIN HUMIDITY........20-25 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH...BECOMING WEST
                    SOUTHWEST 5-10 MPH AROUND 1400. GUSTS UP TO
                    15 MPH.
RIDGE TOP WINDS.....SOUTHWEST 5-10 MPH SHIFTING TO THE WEST AROUND
                    10-15 MPH IN THE AFTERNOON.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1800-2800 FT AGL INCREASING TO 5000-6000 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 5-10 MPH SHIFTING TO THE WEST AROUND
                    10-15 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR INCREASING TO GOOD BY EARLY AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...MOSTLY CLEAR. LOWS AROUND 40. WINDS GENERALLY
LESS THAN 10 MPH.

.FRIDAY...MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE UPPER 60S.
WINDS GENERALLY LESS THAN 10 MPH.

.SATURDAY...MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE UPPER 60S.
WINDS GENERALLY LESS THAN 10 MPH.

.SUNDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS. LOWS IN THE UPPER
30S. HIGHS IN THE LOWER 60S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MURRELL
REQUESTED BY...TRACY STULL
REASON FOR REQUEST...WILDFIRE
.TAG 20110927.NOWLI.01/RIW