FNUS75 KRIW 111924
FWSRIW

SPOT FORECAST FOR WEST SLOPE RX...BLM
NATIONAL WEATHER SERVICE RIVERTON WY
124 PM MDT WED APR 11 2012

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON APRIL 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A COLD FRONT WILL MOVE THROUGH THE AREA AROUND BETWEEN
2200 AND 0100 TONIGHT. THERE WILL BE A THREAT OF SHOWERS THROUGH
TONIGHT WITH THE RISK OF AN ISOLATED THUNDERSTORM BEFORE 2300. WINDS
WILL BE GUSTY THROUGH THE NIGHT. THURSDAY WILL BE A COOLER DAY WITH
MORE CLOUD COVER AND A SCATTERING OF SHOWERS. THERE IS ALSO THE RISK
OF A THUNDERSTORM AFTER 1400. WINDS WILL SUBSIDE THURSDAY NIGHT AS
THE PRESSURE GRADIENT RELAXES ACROSS THE AREA.

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

FORECASTER...HATTINGS

.TONIGHT...
SKY/WEATHER.........CLOUDY (75-85 PERCENT). ISOLATED THUNDERSTORMS
                    THROUGH 2300. SCATTERED RAIN SHOWERS THROUGH THE
                    NIGHT.
MIN TEMPERATURE.....40-45.
MAX HUMIDITY........58-61 PERCENT.
20 FOOT WINDS.......SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
                    30 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS UNTIL 2300.
RIDGE TOP WINDS.....SOUTH 25 TO 35 MPH.
LAL.................2 UNTIL 2400...THEN 1.
CHC OF WETTING RAIN.50 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5200-6200 FT AGL DECREASING TO 2700 FT AGL
                    AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTH 25 TO 35 MPH.
SMOKE DISPERSAL.....EXCELLENT (150000 KNOT-FT) DECREASING TO GOOD
                    (70000 KNOT-FT) AFTER MIDNIGHT.

.THURSDAY...
SKY/WEATHER.........CLOUDY (85-90 PERCENT). SCATTERED RAIN SHOWERS.
                    AN ISOLATED THUNDERSTORM POSSIBLE AFTER 1400.
MAX TEMPERATURE.....50-55.
MIN HUMIDITY........30 TO 35 PERCENT.
20 FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND
                    30 MPH SHIFTING TO THE WEST AFTER 1400. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS AFTER
                    1400.
RIDGE TOP WINDS.....SOUTH 20 TO 30 MPH SHIFTING TO THE WEST AFTER 1400.
LAL.................1 UNTIL 1400...THEN 2.
CHC OF WETTING RAIN.20 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3400-4400 FT AGL INCREASING TO 5500-6500 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 25 TO 35 MPH SHIFTING TO THE WEST AT
                    20 TO 30 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....VERY GOOD (101000-131000 KNOT-FT).

.THURSDAY NIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (50-65 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS UNTIL 2100.
MIN TEMPERATURE.....30-35.
MAX HUMIDITY........65 TO 70 PERCENT.
20 FOOT WINDS.......WEST TO SOUTHWEST 5 TO 10 MPH. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS BEFORE
                    2100.
RIDGE TOP WINDS.....WEST TO NORTHWEST 10 TO 15 MPH.
LAL.................2 UNTIL 2100...THEN 1.
CHC OF WETTING RAIN.10 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4500-5500 AGL DECREASING TO 2500-3500 AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....WEST TO NORTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....FAIR (60000 KNOT-FT) DECREASING TO POOR
                    (36000 KNOT-FT) AFTER MIDNIGHT.

.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS AND SNOW SHOWERS.
LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. WINDS GENERALLY
LESS THAN 10 MPH.
.SATURDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE LOWER 30S. HIGHS AROUND 40. NORTHEAST WINDS
AROUND 11 MPH.
.SUNDAY...PARTLY CLOUDY. CHANCE OF RAIN AND SNOW. LOWS AROUND 30.
HIGHS IN THE MID 40S. WINDS GENERALLY LESS THAN 10 MPH.
.MONDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AND SNOW. LOWS
IN THE MID 30S. HIGHS IN THE UPPER 40S. WINDS GENERALLY LESS THAN
10 MPH.

$$

FORECASTER...HATTINGS
REQUESTED BY...MONONI
REASON FOR REQUEST...PRESCRIBED
.TAG 20120412.WESTS.01/RIW