FNUS75 KRIW 250019
FWSRIW

SPOT FORECAST FOR BULL...IA TDC
NATIONAL WEATHER SERVICE RIVERTON WY
619 PM MDT SAT JUL 24 2010

FORECAST IS BASED ON REQUEST TIME OF 1736 MDT ON JULY 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A VERY DRY AIRMASS WILL REMAIN OVER THE AREA
THROUGH SUNDAY ALONG WITH A LIGHT SURFACE WIND FIELD. TEMPERATURES
WILL TREND HIGHER AND RELATIVE HUMIDITY LOWER ON SUNDAY.  MONSOONAL
MOISTURE WILL SURGE NORTHWARD MONDAY NIGHT THROUGH WEDNESDAY ALONG WITH
CHANCES OF THUNDERSTORMS AND WETTING RAINS.


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

FORECASTER...MEUNIER

.TONIGHT...
SKY/WEATHER.........CLEAR (0 PERCENT).
MIN TEMPERATURE.....46-49.
MAX HUMIDITY........59-62 PERCENT.
WIND (20 FT)........WEST TO NORTHWEST 3 TO 5 MPH WITH GUSTS TO 10 MPH
                    BECOMING DOWNSLOPE OR NORTH NORTHEAST 4 TO 7 MPH AT SUNSET.
RIDGE TOP WINDS.....WEST NORTHWEST 5 TO 10 MPH BECOMING SOUTHWEST 3 TO 5 MPH
                    AFTER MIDNIGHT.
LAL.................1.
CWR.................ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO NEAR 2500 FT AGL AT DUSK AND TO
                    NEAR 1000 FT AGL BY 0400.
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....DECREASING TO POOR (25000 KT-FT) AT DUSK.

.SUNDAY...
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....75-78 AT OBSERVATION SITE...72-75 ABOVE 8000 FEET.
MIN HUMIDITY........21-24 PERCENT.
WIND (20 FT)........BECOMING SOUTH 3 TO 5 MPH BY 0900...THEN SHIFTING TO
                    THE WEST 5 TO 10 MPH WITH GUSTS TO 15 MPH AROUND 1400.
RIDGE TOP WINDS.....SOUTH SOUTHWEST AROUND 5 MPH IN THE MORNING...BECOMING
                    WEST 10 TO 15 MPH AROUND 1400.
LAL.................1.
CWR.................ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4400-5400 FT AGL INCREASING TO 9000-10000 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH SOUTHWEST AROUND 5 MPH IN THE MORNING BECOMING
                    WEST SOUTHWEST 10 TO 15 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (25000 KNOT-FT) IN THE MORNING...INCREASING
                    TO VERY GOOD (132600 KNOT-FT) IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY NIGHT...MOSTLY CLEAR. LOWS IN THE UPPER 40S. WINDS
GENERALLY LESS THAN 10 MPH.
.MONDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S. WINDS GENERALLY LESS
THAN 10 MPH.
.TUESDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS AROUND 50. HIGHS IN THE UPPER 60S. WINDS GENERALLY LESS THAN
10 MPH.
.WEDNESDAY...PARTLY CLOUDY WITH SCATTERED SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. WINDS
GENERALLY LESS THAN 10 MPH.
.THURSDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. WINDS
GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...CHRIS VERO
REASON FOR REQUEST...WILDFIRE
.TAG 20100724.BULL_.01/RIW