FNUS75 KRIW 010844
FWSRIW

SPOT FORECAST FOR RED ROCK...TETON INTERAGENCY DISPATCH CENTER
NATIONAL WEATHER SERVICE RIVERTON WY
244 AM MDT THU SEP 1 2011

FORECAST IS BASED ON REQUEST TIME OF 1824 MDT ON AUGUST 31.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A WEATHER SYSTEM WILL APPROACH THE AREA THIS AFTERNOON AND PASS
PASS THROUGH TONIGHT. A COLD FRONT WILL ALSO PUSH THROUGH THE
FIRE AREA BETWEEN 1500 AND 1800. ONLY ISOLATED SHOWERS AND STORMS
ARE FORECAST TODAY THROUGH 1800. ISOLATED SHOWERS MAY OCCUR AFTER
1800...ENDING AROUND 2100. THEN DRY WEATHER FOR FRIDAY
AND SATURDAY. COOL DAY TODAY AND FRIDAY AND THEN A LITTLE WARMER
ON SATURDAY. EXPECT BREEZY AFTERNOON AND EARLY EVENING WIND TODAY
AND FRIDAY.

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

FORECASTER...AR

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
MAX TEMPERATURE.....61-66.
MIN HUMIDITY........22-27 PERCENT.

20 FOOT WINDS.......SOUTH TO SOUTHEAST AT 5 TO 9 MPH UNTIL 1200.
                    WEST AT 10 TO 15 MPH WITH GUSTS AROUND 20 MPH
                    AFTER 1200.

                    GUSTY AND ERRATIC WINDS TO 40 MPH EXPECTED
                    NEAR THUNDERSTORMS.

RIDGE TOP WINDS.....SOUTHWEST 6 TO 11 MPH UNTIL 1200.
                    WEST AT 15 TO 20 MPH WITH GUSTS AROUND 25 MPH
                    AFTER 1200.

LAL.................2.
CHC OF WETTING RAIN.3 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 6500-7100 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1200.
                    WEST SOUTHWEST AROUND 25 MPH AFTER 1200.
SMOKE DISPERSAL.....INCREASING TO EXCELLENT IN THE AFTERNOON.


.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS UNTIL 2100.
MIN TEMPERATURE.....32-37.
MAX HUMIDITY........80-85 PERCENT.

20 FOOT WINDS.......WEST WIND AT 9 TO 14 MPH WITH GUSTS TO AROUND 18
                    MPH UNTIL 2000.  THEN BECOMING SOUTH TO SOUTHEAST
                    AT 4 TO 7 MPH BY 2200.

RIDGE TOP WINDS.....WEST 13 TO 18 MPH WITH GUSTS AROUND 25 MPH UNTIL 2000.
                    THEN WEST TO SOUTHWEST AT 5 TO 10 MPH BY 2300.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 700-1000 FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....WEST AROUND 20 MPH UNTIL 2100.
                    THEN WEST TO SOUTHWEST AROUND 10 MPH BY MIDNIGHT.
SMOKE DISPERSAL.....GOOD...DECREASING TO POOR AROUND MIDNIGHT.


.FRIDAY...
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....63-67.
MIN HUMIDITY........19-24 PERCENT.

20 FOOT WINDS.......SOUTH TO SOUTHEAST AT 5 TO 8 MPH UNTIL 1200.
                    WEST AT 10 TO 15 MPH AFTER 1200 WITH GUSTS
                    AROUND 20 MPH AFTER 1200.

RIDGE TOP WINDS.....SOUTHWEST 5 TO 10 MPH UNTIL 1200.
                    WEST AT 15 TO 20 MPH WITH GUSTS AROUND 25 MPH
                    AFTER 1200.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 5000-6000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST TO WEST AROUND 10 MPH UNTIL 1200.
                    WEST AROUND 20 MPH AFTER 1200.
SMOKE DISPERSAL.....INCREASING TO VERY GOOD IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...

.FRIDAY NIGHT...MOSTLY CLEAR. LOWS IN THE 30S.
WINDS GENERALLY LESS THAN 10 MPH AFTER SUNSET.

.SATURDAY...CLEAR. HIGHS IN THE UPPER 60S.
WINDS GENERALLY LESS THAN 10 MPH.

.SUNDAY...CLEAR. LOWS AROUND 40. HIGHS IN THE UPPER 60S TO LOWER 70S.
WINDS GENERALLY LESS THAN 10 MPH.

.MONDAY...PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE LOWER 70S.
WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...ROSS
REQUESTED BY...DALLAS LOOKOUT
REASON FOR REQUEST...WILDFIRE
.TAG 20110831.REDRO.01/RIW