FNUS75 KRIW 091414
FWSRIW

SPOT FORECAST FOR SAND BUTTE...BLM RAD
NATIONAL WEATHER SERVICE RIVERTON WY
814 AM MDT FRI AUG 9 2013

FORECAST IS BASED ON REQUEST TIME OF 0751 MDT ON AUGUST 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

INCREASING CLOUD COVER EXPECTED THIS MORNING...WITH THE POTENTIAL
FOR SOME SHOWER ACTIVITY WITHIN THE FIRST FEW HOURS OF ISSUANCE.
COOLER TEMPERATURES NOTED TODAY ACROSS THE AREA...THOUGH HUMIDITY
WILL STILL BE CAPABLE OF DIPPING INTO THE UPPER TEENS. THUNDERSTORMS
WILL BE POSSIBLE BY THE LATE MORNING HOURS WITH A DECENT SURGE OF
MOISTURE EXPECTED OVER THE FIRE. LIGHTNING...GUSTY WIND TO 35
MPH...AND SMALL HAIL MAY BE POSSIBLE WITH STORM DEVELOPMENT THIS
AFTERNOON. MOISTURE AND CONVECTIVE BEHAVIOR WILL WEAKEN QUICKLY
DURING THE LATE AFTERNOON AND EARLY EVENING HOURS...WITH STORM
ACTIVITY WEAKENING.

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

FORECASTER...BRANHAM

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (60-70 PERCENT) BY 1200. ISOLATED
                    RAIN SHOWERS THROUGH THE DAY WITH ISOLATED
                    THUNDERSTORMS DEVELOPING AFTER 1000.
MAX TEMPERATURE.....74-77.
MIN HUMIDITY........18-21 PERCENT.
20 FOOT WINDS.......SOUTH WINDS 4-7 MPH INCREASING TO 10 TO 15 MPH
                    BY 1000. GUSTS UP TO 25 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
LAL.................1 UNTIL 1000...THEN 2.
CHC OF WETTING RAIN.14 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.TONIGHT...
SKY/WEATHER.........BECOMING PARTLY CLOUDY (35-50 PERCENT) BY 2100.
                    ISOLATED SHOWERS AND THUNDERSTORMS POSSIBLE
                    THROUGH 2000 THIS EVENING.
MIN TEMPERATURE.....51-54.
MAX HUMIDITY........46-50 PERCENT.
20 FOOT WINDS.......SOUTH WINDS 8 TO 12 MPH WITH GUSTS TO AROUND 20
                    MPH.
RIDGE TOP WINDS.....SOUTH AROUND 15 MPH.
LAL.................2 UNTIL 2000...THEN 1.
CHC OF WETTING RAIN.3 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE MID 70S.
WINDS GENERALLY LESS THAN 15 MPH.

.SUNDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS AROUND 80. WINDS
GENERALLY LESS THAN 10 MPH.

.MONDAY...PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. WINDS GENERALLY LESS THAN 10 MPH.

.TUESDAY...MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...BRANHAM
REQUESTED BY...JAKE HILER
REASON FOR REQUEST...WILDFIRE
.TAG 20130809.SANDB.01/RIW