FNUS75 KRIW 091231
FWSRIW

SPOT FORECAST FOR BULL...IA TDC
NATIONAL WEATHER SERVICE RIVERTON WY
631 AM MDT MON AUG 9 2010

FORECAST IS BASED ON REQUEST TIME OF 1753 MDT ON AUGUST 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A STRONG WEATHER DISTURBANCE MOVING UP FROM THE SOUTH
WILL RESULT IN SCATTERED THUNDERSTORMS AND NUMEROUS SHOWERS ACROSS THE
AREA FROM AROUND MID MORNING THROUGH THE EARLY EVENING. THE STRONGEST
THUNDERSTORMS WILL BE CAPABLE OF PRODUCING GUSTY WIND OVER 30 MPH...
SMALL HAIL...CLOUD TO GROUND LIGHTNING AND BRIEF HEAVY RAIN. ONLY
ISOLATED SHOWERS AND THUNDERSTORMS ARE EXPECTED ON TUESDAY.

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

FORECASTER...SKRBAC

.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). NUMEROUS RAIN
                    SHOWERS AND SCATTERED THUNDERSTORMS TODAY. THE
                    HIGHEST PROBABILITY OF PRECIPITATION WILL BE
                    FROM THE LATE MORNING THROUGH THE AFTERNOON.
MAX TEMPERATURE.....AROUND 70 AT 7000 FEET WITH 62-66 AT 8200 FEET.
MIN HUMIDITY........36-43 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST
                    6-12 MPH AFTER 1000L. GUSTY AND ERRATIC WINDS
                    TO 30 MPH EXPECTED NEAR THUNDERSTORMS.
RIDGE TOP WINDS.....SOUTH 8-14 MPH INCREASING TO SOUTHWEST
                    15 TO 25 MPH IN THE AFTERNOON.
LAL.................2 UNTIL 1000L THEN 4.
CWR................. 20 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2000-2500 FT AGL INCREASING TO 5000-5500 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH SHIFTING TO THE SOUTHWEST
                    AT 15-20 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (30000 KNOT-FT) INCREASING TO VERY GOOD
                    (103000 KNOT-FT) IN THE AFTERNOON.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
                    MOSTLY CLEAR (20-30 PERCENT). SCATTERED SHOWERS
                    AND THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....41-45.
MAX HUMIDITY........71-74 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 6-12 MPH AND GUSTY EARLY
                    IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY
                    4-7 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS IN THE EVENING.
RIDGE TOP WINDS.....SOUTHWEST AROUND 20 MPH DECREASING AND SHIFTING TO
                    THE SOUTHEAST AT 4-8 MPH IN THE LATE EVENING AND
                    OVERNIGHT.
LAL.................4 UNTIL 2400...THEN 1.
CWR................. 10 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4000-5000 FT AGL DECREASING TO 500-1000 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH SHIFTING TO THE
                    SOUTHEAST 5 TO 8 MPH IN THE LATE EVENING AND
                    OVERNIGHT.
SMOKE DISPERSAL.....GOOD (75000 KNOT-FT) DECREASING TO POOR
                    (6500 KNOT-FT) AFTER MIDNIGHT.

.TUESDAY...
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (45-55 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....73-76 AT 7000 FEET WITH 65-69 AT 8200 FEET.
MIN HUMIDITY........19-26 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH...BECOMING SOUTHWEST
                    8-12 MPH IN THE AFTERNOON. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTHEAST 10-15 MPH SHIFTING TO THE SOUTHWEST
                    AT 15-20 MPH IN THE AFTERNOON.
LAL.................1 UNTIL 1200...THEN 2.
CWR.................3 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4500-5500 FT AGL INCREASING TO 8000-9000 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST AROUND 12 MPH SHIFTING TO THE
                    SOUTHWEST 15 TO 20 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD (65000 KNOT-FT) INCREASING TO VERY GOOD
                    (130000 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.TUESDAY NIGHT...PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 40S. WINDS
GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...MOSTLY CLEAR WITH ISOLATED SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S. SOUTH
WINDS AROUND 10 MPH.
.THURSDAY...MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS AROUND 70. WINDS
GENERALLY LESS THAN 10 MPH.
.FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S. WINDS
GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...SKRBAC
REQUESTED BY...BULL LOOKOUT
REASON FOR REQUEST...WILDFIRE
.TAG 20100808.BULL_.01/RIW