FNUS75 KRIW 311146
FWSRIW

SPOT FORECAST FOR BULL...IA TDC
NATIONAL WEATHER SERVICE RIVERTON WY
546 AM MDT TUE AUG 31 2010

FORECAST IS BASED ON REQUEST TIME OF 2110 MDT ON AUGUST 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

A TROUGH WILL CONTINUE TO AFFECT THE FIRE SITE THROUGH WEDNESDAY.
THIS WILL RESULT IN MOIST AND COOL CONDITIONS...WITH A SHOT AT SOME
PRECIPITATION. WINDY WESTERLY WINDS ARE EXPECTED WEDNESDAY...BUT
RELATIVE HUMIDITY WILL REMAIN HIGH. AN UPPER RIDGE WILL BUILD
INTO THE AREA THURSDAY AND FRIDAY WITH WARMER...DRIER AND LIGHTER
WINDS EXPECTED.

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

FORECASTER...MURRELL

.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY (75 PERCENT)...BECOMING PARTLY
                    CLOUDY (50 PERCENT) BY EARLY AFTERNOON. ISOLATED
                    SHOWERS TODAY. AN ISOLATED THUNDERSTORM
                    POSSIBLE IN THE AFTERNOON.
MAX TEMPERATURE.....50-55.
MIN HUMIDITY........35-40 PERCENT.
20 FOOT WINDS.......LIGHT AND VARIABLE...BECOMING UPSLOPE/UPVALLEY 3-7
                    MPH BY 1000...THEN BECOMING WEST SOUTHWEST 5-10 MPH
                    BETWEEN NOON AND 1400.  GUSTS TO 15 MPH.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
                    IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTH SOUTHWEST 5-10 MPH...BECOMING SOUTHWEST AROUND
                    15 MPH AROUND NOON. GUSTS AROUND 25 MPH IN THE
                    AFTERNOON.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.3 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2300 FT AGL INCREASING TO 6500 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 15 TO 25 MPH.
SMOKE DISPERSAL.....FAIR INCREASING TO VERY GOOD BY THE AFTERNOON.

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....35-40.
MAX HUMIDITY........VALLEY 80-85 PERCENT.  RIDGE 55-60 PERCENT
20 FOOT WINDS.......BECOMING DOWNSLOPE/DOWNVALLEY 3-6 MPH BY 2000.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS IN THE EVENING.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.
LAL.................2 UNTIL 2100...THEN 1.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3700-4700 FT AGL DECREASING TO 1400 FT AGL
                    BY MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....GOOD (78200 KNOT-FT) DECREASING TO POOR (16300
                    KNOT-FT) BY 2100.

.WEDNESDAY...
SKY/WEATHER.........PARTLY CLOUDY (55-65 PERCENT). SCATTERED RAIN
                    SHOWERS AND ISOLATED THUNDERSTORMS.
MAX TEMPERATURE.....52-57.
MIN HUMIDITY........45-50 PERCENT.
20 FOOT WINDS.......WEST SOUTHWEST AROUND 10 MPH. GUSTS TO AROUND
                    25 MPH. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS IN THE AFTERNOON.
RIDGE TOP WINDS.....WEST SOUTHWEST 15 TO 25 MPH.
LAL.................1 UNTIL 1200...THEN 2.
CHC OF WETTING RAIN.4 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3200-4200 FT AGL INCREASING TO 6000 FT AGL IN
                    THE AFTERNOON.
TRANSPORT WINDS.....WEST SOUTHWEST 20 TO 25 MPH.
SMOKE DISPERSAL.....FAIR (59500 KNOT-FT) INCREASING TO VERY GOOD
                    (122400 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY NIGHT...MOSTLY CLEAR. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 30S. WEST WINDS
AROUND 11 MPH.

.THURSDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE
LOWER 60S. WINDS GENERALLY LESS THAN 10 MPH.

.FRIDAY...MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER
60S. WINDS GENERALLY LESS THAN 10 MPH.

.SATURDAY...MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER
70S. WEST SOUTHWEST WINDS 10-15 MPH.

$$

FORECASTER...MURRELL
REQUESTED BY...TIDC
REASON FOR REQUEST...WILDFIRE
.TAG 20100830.BULL_.01/RIW