FNUS75 KRIW 160025
FWSRIW

SPOT FORECAST FOR NOWLIN...U.S.F.S
NATIONAL WEATHER SERVICE RIVERTON WY
625 PM MDT THU SEP 15 2011

FORECAST IS BASED ON REQUEST TIME OF 1800 MDT ON SEPTEMBER 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE OVER WYOMING TONIGHT WILL BE REPLACED BY AN
INCOMING TROUGH OF LOW PRESSURE FRIDAY AFTERNOON AND EVENING.
THE RESULT WILL BE INCREASING CLOUDS AND WIND BEGINNING
FRIDAY AFTERNOON. SCATTERED SHOWERS AND THUNDERSTORMS WILL
THEN PERSIST INTO FRIDAY NIGHT. OCCASIONAL CLOUD TO GROUND
LIGHTNING AND GUSTY WINDS CAN BE EXPECTED WITH ANY STORMS.

LOOKING AHEAD...A BREEZY TO WINDY WEEKEND IS FORECAST FOR NOWLIN.

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

FORECASTER...LYNOTT

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........70-74 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....WEST AROUND 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......6100-7100 FT AGL DECREASING TO 2700-3700 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....WEST 8 TO 15 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (28100-68800 KNOT-FT).

.FRIDAY...
SKY/WEATHER.........BECOMING MOSTLY CLOUDY (75-85 PERCENT). ISOLATED
                    RAIN SHOWERS IN THE MORNING...THEN NUMEROUS RAIN
                    SHOWERS AND SCATTERED THUNDERSTORMS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....60-64.
MIN HUMIDITY........34-38 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST
                    AROUND 13 MPH WITH GUSTS TO AROUND 25 MPH IN
                    THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.43 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3500-4500 FT AGL INCREASING TO 5700 FT AGL IN
                    THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 10 TO 18 MPH INCREASING TO 22 TO 28
                    MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR TO VERY GOOD (56300-98400 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY NIGHT...MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS IN THE EVENING...THEN ISOLATED SHOWERS AND SNOW
SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 30S. WEST WINDS AROUND
15 MPH.
.SATURDAY...PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE MID 50S. WEST
WINDS AROUND 20 MPH.
.SUNDAY...PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER
50S. WINDS GENERALLY LESS THAN 10 MPH.
.MONDAY...PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE LOWER
60S. WINDS GENERALLY LESS THAN 10 MPH.
.TUESDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE
LOWER 60S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...LYNOTT
REQUESTED BY...ULF PETERS
REASON FOR REQUEST...WILDFIRE
.TAG 20110915.NOWLI.03/RIW