FNUS75 KRIW 290500
FWSRIW

SPOT FORECAST FOR WEST SLOPE RX...BLM WOD
NATIONAL WEATHER SERVICE RIVERTON WY
1100 PM MDT WED MAR 28 2012

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON MARCH 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

THE MOVEMENT OF A WEAK TROUGH THROUGH THE AREA WILL BRING SLIGHTLY
COOLER TEMPERATURES OVER THE BURN SITE TODAY WITH AN INCREASE IN
DAYTIME HUMIDITY. SOUTHERLY WIND WILL INCREASE THIS AFTERNOON
ACROSS THE BURN SITE...ESPECIALLY DURING THE LATE AFTERNOON HOURS.
A WEAK RIDGE WILL ALLOW TEMPERATURES TO CONTINUE TO WARM ON
FRIDAY...WITH DAYTIME HUMIDITY AGAIN DIPPING INTO THE UPPER TEENS.
EXPECT ANOTHER ROUND OF GUSTY SOUTHERLY WIND FRIDAY AFTERNOON AS
THE PRESSURE GRADIENT TIGHTENS OVER THE AREA.

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

FORECASTER...BRANHAM

.TODAY (THURSDAY)...
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT).
MAX TEMPERATURE.....60-65.
MIN HUMIDITY........20-24 PERCENT.
20 FOOT WINDS.......SOUTHEAST WINDS AROUND 10 MPH EARLY IN THE
                    MORNING...THEN BECOMING SOUTH 10 TO 15 MPH BY
                    1000. GUSTS UP TO 25.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH INCREASING TO AROUND 25 MPH
                    BY 1400.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2000-3000 FT AGL INCREASING TO 5700-6700 FT AGL
                    BY 1500.
TRANSPORT WINDS.....SOUTH 10 TO 15...INCREASING TO 20 TO 25 MPH BY
                    1400.
SMOKE DISPERSAL.....FAIR (48000 KNOT-FT) INCREASING TO VERY GOOD
                    (121700 KNOT-FT) BY 1500.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) BECOMING PARTLY
                    CLOUDY (25-35 PERCENT) BY 0200.
MIN TEMPERATURE.....39-42.
MAX HUMIDITY........60-64 PERCENT.
20 FOOT WINDS.......BECOMING SOUTH AT 8 TO 12 MPH BY 2000.
RIDGE TOP WINDS.....SOUTH 12 TO 17 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 1500-2500 FT AGL BY 0300.
TRANSPORT WINDS.....SOUTHWEST AROUND 22 MPH BECOMING WEST AROUND 10
                    MPH LATE IN THE EVENING...THEN SHIFTING TO THE
                    SOUTH 16 TO 17 MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....VERY GOOD (104000 KNOT-FT) DECREASING TO FAIR
                    (44000 KNOT-FT) AFTER MIDNIGHT.

.FRIDAY...
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) BECOMING MOSTLY
                    CLOUDY (60-70 PERCENT) BY 1300.
MAX TEMPERATURE.....69-73.
MIN HUMIDITY........18-21 PERCENT.
20 FOOT WINDS.......SOUTH 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH INCREASING TO 20 TO 25 MPH
                    BY 1300.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO AROUND 6000-7000 FT AGL.
TRANSPORT WINDS.....SOUTH 16 TO 22 MPH INCREASING TO AROUND 26 MPH
                    BY 1400.
SMOKE DISPERSAL.....VERY GOOD TO EXCELLENT (99000-180000 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY NIGHT...MOSTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH
WINDS AROUND 15 MPH.
.SATURDAY...PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
MID 70S. SOUTH WINDS AROUND 20 MPH.
.SUNDAY...MUCH COOLER. PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS
IN THE LOWER 30S. HIGHS IN THE LOWER 50S. NORTHWEST WINDS AROUND
11 MPH.
.MONDAY...PARTLY CLOUD. LOWS IN THE 30S. HIGHS IN THE MID 50S. SOUTHWEST
WIND AROUND 10 MPH.

$$

FORECASTER...BRANHAM
REQUESTED BY...CODY DISPATCH
REASON FOR REQUEST...PRESCRIBED
.TAG 20120328.WESTS.02/RIW