FNUS75 KRIW 281915
FWSRIW

SPOT FORECAST FOR NORTH LITTLE MT...BLM
NATIONAL WEATHER SERVICE RIVERTON WY
115 PM MDT SUN APR 28 2013

FORECAST IS BASED ON IGNITION TIME OF 1250 MDT ON APRIL 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...ONE MORE WARM FAIRLY TRANQUIL SPRINGLIKE DAY IS IN STORE FOR
TODAY BEFORE ANOTHER STRONG PACIFIC TROUGH BRINGS MORE ACTIVE
WEATHER TO THE BURN AREA EARLY IN THE WEEK. EXPECT WINDY CONDITIONS
MONDAY ALONG WITH A GOOD CHANCE OF ACCUMULATING SNOWFALL TUESDAY THROUGH
WEDNESDAY MORNING.

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

FORECASTER...LIPSON

.TUESDAY...
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF SNOW
                    IN THE MORNING...THEN SNOW LIKELY IN THE
                    AFTERNOON.
MAX TEMPERATURE.....34-37.
MIN HUMIDITY........40-43 PERCENT.
20 FOOT WINDS.......NORTH NORTHWEST 10 TO 15 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3800-4800 FT AGL INCREASING TO 6900-7900 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 15 TO 18 MPH.
SMOKE DISPERSAL.....FAIR (59200 KNOT-FT) INCREASING TO VERY GOOD
                    (109400 KNOT-FT) IN THE AFTERNOON.

.TUESDAY NIGHT......
SKY/WEATHER.........MOSTLY CLOUDY (90 PERCENT).
MIN TEMPERATURE.....24 TO 26.
MIN HUMIDITY........70 TO 75 PERCENT.
20 FOOT WINDS.......NORTH 11 MPH.
RIDGE TOP WINDS.....NORTH NORTHWST WINDS 20 MPH DECREASING TO 10 MPH BY DAWN.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH. .
MIXING HEIGHT.......500 FEET.
TRANSPORT WINDS.....NORTHWEST 20 MPH DECREASING TO 6 MPH.
SMOKE DISPERSAL.....POOR.

.WEDNESDAY...
SKY/WEATHER.........PARTLY CLOUDY (40 TO 60 PERCENT).
MAX TEMPERATURE.....45 TO 48.
MIN HUMIDITY........34 TO 35 PERCENT.
20 FOOT WINDS.......SOUTHEAST LESS THAN 10 MPH.
RIDGE TOP WINDS.....NORTH NORTHWEST 5 MPH.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH. .
MIXING HEIGHT.......10500 FEET AGL.
TRANSPORT WINDS.....NORTHWEST 6 MPH INCREASING TO 15 TO 20 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....VERY GOOD.


.FORECAST DAYS 5 THROUGH 6...
.THURSDAY...WARMER. MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN
THE MID 50S. WINDS GENERALLY LESS THAN 10 MPH.
.FRIDAY...PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...LIPSON
REQUESTED BY...CATHY HUTTON
REASON FOR REQUEST...PRESCRIBED
.TAG 20130428.NORTH.02/RIW