FNUS75 KRIW 202034
FWSRIW

SPOT FORECAST FOR FONTNELLE...BTNF
NATIONAL WEATHER SERVICE RIVERTON WY
234 PM MDT FRI JUL 20 2012

FORECAST IS BASED ON REQUEST TIME OF 1335 MDT ON JULY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE OVER THE COLORADO ROCKIES WILL MOVE VERY LITTLE OVER
THE NEXT SEVERAL DAYS. THIS WILL KEEP A PLUME OF MOISTURE TRACKING
NORTH ACROSS THE FIRE SITE THROUGH SUNDAY. THE RESULT WILL BE
ISOLATED LATE AFTERNOON AND EVENING THUNDERSTORMS EACH DAY.
WINDS...EXCEPT NEAR SHOWERS AND STORMS...WILL BE LESS THAN ABOUT
10 MPH. HIGH TEMPERATURES WILL WARM A FEW DEGREES THROUGH THE
WEEKEND AS DAYTIME SUNSHINE WILL BE MORE ABUNDANT.

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

FORECASTER...JONES

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT) WITH ISOLATED
                    SHOWERS. ISOLATED THUNDERSTORMS UNTIL 2100.
MIN TEMPERATURE.....50-53 AT 8200 FT.
                    50-53 AT 9700 FT.
MAX HUMIDITY........74-77 PERCENT AT 8200 FT.
                    70-73 PERCENT AT 9700 FT.
20 FOOT WINDS.......SOUTHWEST 7 TO 10 MPH WITH GUSTY OUTFLOW WIND
                    AROUND 25 MPH NEAR SHOWERS AND THUNDERSTORMS
                    UNTIL 2100. THEN BECOMING DOWNSLOPE/DOWNVALLEY
                    5 TO 8 MPH BY MIDNIGHT.
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH.
LAL.................2 UNTIL 2100...THEN 1.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.SATURDAY...
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) WITH ISOLATED
                    SHOWERS. ISOLATED THUNDERSTORMS AFTER 1500.
MAX TEMPERATURE.....80-83 AT 8200 FT.
                    74-78 AT 9700 FT.
MIN HUMIDITY........18-21 PERCENT AT 8200 FT.
                    21-24 PERCENT AT 9700 FT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4 TO 7 MPH UNTIL 1000...
                    THEN BECOMING UPSLOPE/UPVALLEY 5 TO 9 MPH
                    BY 1200. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH.
LAL.................1 UNTIL 1500...THEN LAL 2.
CHC OF WETTING RAIN.5 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.SATURDAY NIGHT...
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) WITH ISOLATED
                    SHOWERS AND THUNDERSTORMS UNTIL 2200.
MIN TEMPERATURE.....47-50 AT 8200 FT.
                    50-53 AT 9700 FT.
MAX HUMIDITY........72-75 PERCENT AT 8200 FT.
                    65-68 PERCENT AT 9700 FT.
20 FOOT WINDS.......SOUTHWEST AROUND 10 MPH WITH GUSTY OUTFLOW WIND
                    AROUND 25 MPH NEAR SHOWERS AND THUNDERSTORMS
                    UNTIL 2100. THEN BECOMING DOWNSLOPE/DOWNVALLEY
                    5 TO 8 MPH BY MIDNIGHT.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.
LAL.................2 UNTIL 2200...THEN 1.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.SUNDAY...
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) WITH ISOLATED
                    SHOWERS AND THUNDERSTORMS AFTER 1500.
MAX TEMPERATURE.....81-84 AT 8200 FT.
                    76-79 AT 9700 FT.
MIN HUMIDITY........16-19 PERCENT AT 8200 FT.
                    18-21 PERCENT AT 9700 FT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4 TO 7 MPH UNTIL 1000...
                    THEN BECOMING UPSLOPE/UPVALLEY 5 TO 9 MPH
                    BY 1200. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.
LAL.................1 UNTIL 1500...THEN LAL 2.
CHC OF WETTING RAIN.5 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY NIGHT...PARTLY CLOUDY WITH ISOLATED EVENING SHOWERS.
LOWS 40 TO 45.
.MONDAY...PARTLY CLOUDY WITH ISOLATED LATE AFTERNOON AND EVENING
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS NEAR 80.
WINDS GENERALLY LESS THAN 10 MPH.
.TUESDAY...PARTLY CLOUDY WITH ISOLATED LATE AFTERNOON AND EVENING
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS NEAR 80.
WINDS GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...PARTLY CLOUDY WITH WIDELY SCATTERED AFTERNOON AND
EVENING SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN
THE UPPER 70S.

$$

FORECASTER...JONES
REQUESTED BY...MICHAEL BENTLEY
REASON FOR REQUEST...WILDFIRE
.TAG 20120720.FONTN.01/RIW