FNUS75 KRIW 291159
FWSRIW

SPOT FORECAST FOR ALPINE LAKE...BIA
NATIONAL WEATHER SERVICE RIVERTON WY
559 AM MDT SAT SEP 29 2012

FORECAST IS BASED ON REQUEST TIME OF 1903 MDT ON SEPTEMBER 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A WEATHER SYSTEM MOVES THROUGH WYOMING TODAY. THUS
A CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS OVER THE FIRE
COMPLEX THIS MORNING THROUGH LATE AFTERNOON. GUSTY AND ERRATIC
WIND SPEEDS WILL OCCUR TODAY DUE TO THE SHOWERS AND STORMS. THE
ACTIVITY WILL DECREASE AROUND SUNSET AND END BY MIDNIGHT.
SUNDAY WILL BE DRY AND A LITTLE MILDER. MONDAY AND TUESDAY WILL
SEE DRY WEATHER WITH WARMER TEMPERATURES AND LOWER RELATIVE
HUMIDITY. HIGH ELEVATION WIND WILL INCREASE ON MONDAY WITH
WINDY CONDITIONS ON TUESDAY.

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

FORECASTER...AR

.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
                    ISOLATED THUNDERSTORMS POSSIBLE AFTER 1000.

MAX TEMPERATURE.....46-51 AROUND 10000 FEET.
                    60-65 AROUND 6500 FEET.

MIN HUMIDITY........35-40 PERCENT.

20 FOOT WINDS.......WEST TO NORTHWEST WIND AT 6 TO 11 MPH.

                    GUSTY AND ERRATIC WINDS TO 20 MPH NEAR
                    SHOWERS AND THUNDERSTORMS.

RIDGE TOP WINDS.....WEST TO NORTHWEST AT 20 TO 30 MPH WITH GUSTS
                    30 TO 40 MPH.

                    GUSTY AND ERRATIC WINDS TO 50 MPH NEAR
                    SHOWERS AND THUNDERSTORMS.

LAL.................1 UNTIL 1000...THEN 3.
CHC OF WETTING RAIN.15 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 4500-5500 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....WEST TO NORTHWEST AT 20 TO 30 MPH.
SMOKE DISPERSAL.....INCREASING TO GOOD BY 1100...INCREASING TO
                    VERY GOOD BY 1300.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY UNTIL MIDNIGHT WITH ISOLATED
                    SHOWERS. ISOLATED THUNDERSTORM POSSIBLE UNTIL
                    2100.
                    PARTLY CLOUDY AFTER MIDNIGHT.

MIN TEMPERATURE.....38-43 AT 10000 FEET.
                    40-45 AT 6500 FEET.

MAX HUMIDITY........75-85 PERCENT.

20 FOOT WINDS.......NORTHWEST AT 7 TO 12 MPH UNTIL MIDNIGHT.
                    WEST TO NORTHWEST AT 5 TO 9 MPH AFTER MIDNIGHT.

RIDGE TOP WINDS.....NORTHWEST AT 20 TO 25 MPH UNTIL MIDNIGHT.
                    NORTHWEST AT 15 TO 20 MPH AFTER MIDNIGHT.

LAL.................2 UNTIL 2100...THEN 1.
CHC OF WETTING RAIN.5 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......DECREASING TO 1000-2000 FT AGL AFTER MIDNIGHT.
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH UNTIL MIDNIGHT.
                    NORTHWEST AROUND 15 MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....DECREASING TO FAIR BY 2100...THEN BECOMING POOR
                    AFTER MIDNIGHT.

.SUNDAY...
SKY/WEATHER.........MOSTLY SUNNY.

MAX TEMPERATURE.....50-55 AT 10000 FEET.
                    65-70 AT 6500 FEET.

MIN HUMIDITY........25-35 PERCENT.

20 FOOT WINDS.......UPSLOPE/UPVALLEY AT 5 TO 10 MPH.

RIDGE TOP WINDS.....NORTHWEST AT 15 TO 20 MPH WITH GUSTS TO 25 MPH.

LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 5000-6000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.
SMOKE DISPERSAL.....BECOMING GOOD BY 1120...THEN VERY GOOD BY 1400.

.FORECAST DAYS 3 THROUGH 5...

.SUNDAY NIGHT...MOSTLY CLEAR. LOWS IN THE UPPER 30S TO MID 40S.

WEST TO NORTHWEST WIND AT 10 TO 20 MPH AT 10000 FEET.
WINDS GENERALLY LESS THAN 10 MPH AT 6500 FEET.

.MONDAY...MOSTLY SUNNY. HIGHS IN THE MID 50S TO MID 60S.

WEST TO NORTHWEST AT 10 TO 20 MPH AT 10000 FEET.
EAST TO SOUTHEAST AT 8 TO 15 MPH AT 6500 FEET.

.TUESDAY...PARTLY CLOUDY. LOWS IN THE UPPER 30S TO MID 40S.
HIGHS IN THE MID 50S TO MID 60S.

WEST WIND AT 25 TO 35 MPH WITH GUSTS TO 45 MPH AROUND 10000 FEET.
WEST WIND AT 15 TO 25 MPH AROUND 6500 FEET.

.WEDNESDAY...COOLER. MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW.
LOWS IN THE MID 30S TO LOWER 40S.  HIGHS IN THE 40S...FALLING
INTO THE 30S IN THE AFTERNOON.

NORTH TO NORTHEAST WIND AROUND 10 MPH AT 6500 FEET.
NORTH TO NORTHWEST AT 10 TO 20 MPH AT 10000 FEET.

$$

FORECASTER...ROSS
REQUESTED BY...CAL ANACKER
REASON FOR REQUEST...WILDFIRE
.TAG 20120928.ALPIN.01/RIW