FNUS75 KRIW 291052
FWSRIW

SPOT FORECAST FOR BUTTE CREEK...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
452 AM MDT WED AUG 29 2012

FORECAST IS BASED ON REQUEST TIME OF 2105 MDT ON AUGUST 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING...

.DISCUSSION...
IT WILL BE WARM AND VERY DRY TODAY WITH EVEN GUSTIER WINDS THAN YESTERDAY.
VERY LITTLE CHANGE IS EXPECTED THURSDAY. HOWEVER...THURSDAY NIGHT INTO
FRIDAY THE THREAT OF SHOWERS AND THUNDERSTORMS WILL BE ON THE INCREASE.
A RED FLAG WARNING IS IN EFFECT FOR THE AREA FROM NOON TODAY THROUGH
9 PM THIS EVENING.


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

FORECASTER...SKRBAC

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
MAX TEMPERATURE.....70-73.
MIN HUMIDITY........10-13 PERCENT.
20 FOOT WINDS.......DOWNSLOPE 5-10 MPH...BECOMING WEST SOUTHWEST
                    9 TO 13 MPH WITH GUSTS TO 18 MPH AFTER 1000L
                    INCREASING TO 15 TO 20 MPH WITH GUSTS TO 30 MPH
                    AFTER NOON.
RIDGE TOP WINDS.....WEST SOUTHWEST 25 TO 30 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......4100-5100 FT AGL INCREASING TO 8500-9000 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....WEST SOUTHWEST 25 TO 30 MPH.
SMOKE DISPERSAL.....VERY GOOD (128000 KNOT-FT) INCREASING TO
                    EXCELLENT (240000 KNOT-FT) IN THE AFTERNOON.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR IN THE EVENING (15-25 PERCENT)
                    THEN PARTLY CLOUDY (30-40 PERCENT).
MIN TEMPERATURE.....44-47.
MAX HUMIDITY........36-39 PERCENT.
20 FOOT WINDS.......SOUTHWEST WINDS 12 TO 17 MPH. GUSTS UP TO 30 MPH
                    UNTIL 2000L...THEN GRADUALLY BECOMING DOWNSLOPE/
                    DOWNVALLEY AT 5-10 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4600-5600 FT AGL DECREASING TO 1500 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.
SMOKE DISPERSAL.....VERY GOOD (112300 KNOT-FT) DECREASING TO POOR
                    (30000 KNOT-FT) AFTER MIDNIGHT.

.THURSDAY...
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
                    ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........12-15 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST 12
                    TO 15 MPH WITH GUSTS TO AROUND 25 MPH IN THE
                    AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST 18 TO 23 MPH.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4900-5900 FT AGL INCREASING TO 9500-10000 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 18 TO 21 MPH.
SMOKE DISPERSAL.....VERY GOOD (105000 KNOT-FT) INCREASING TO EXCELLENT
                    (200000 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...PARTLY CLOUDY. LOWS IN THE MID 40S. WINDS
GENERALLY LESS THAN 10 MPH.
.FRIDAY...PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 60S. WINDS GENERALLY
LESS THAN 10 MPH.
.SATURDAY...PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 40S. HIGHS IN THE MID 60S. WINDS GENERALLY LESS
THAN 10 MPH.
.SUNDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID
60S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...SKRBAC
REQUESTED BY...USFS
REASON FOR REQUEST...WILDFIRE
.TAG 20120828.BUTTE.01/RIW