FNUS75 KRIW 031024
FWSRIW

SPOT FORECAST FOR NORTH LITTLE MT5...BLM WOD
NATIONAL WEATHER SERVICE RIVERTON WY
424 AM MDT WED APR 3 2013

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON APRIL 03.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

A WEAK FRONTAL BOUNDARY IS EXPECTED TO PUSH ACROSS THE BURN SITE
BETWEEN 9 AM AND 11 AM THIS MORNING...SHIFTING WINDS NORTHERLY.
THIS FRONT AND A WEAK DISTURBANCE ALOFT COULD RESULT IN ISOLATED
SHOWER AND THUNDERSTORM ACTIVITY THIS AFTERNOON INTO THE EARLY
EVENING. VERY GUSTY AND ERRATIC WINDS WILL BE THE PRIMARY HAZARD
FROM THIS ACTIVITY. DRY CONDITIONS ARE EXPECTED THURSDAY WITH FAIR
TO GOOD SMOKE DISPERSAL. ANOTHER PACIFIC COLD FRONT AND WEAK UPPER
LEVEL SYSTEM WILL AFFECT THE BURN SITE FRIDAY.

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

FORECASTER...MURRELL

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....62.
MIN HUMIDITY........25 PERCENT.
20 FOOT WINDS.......SOUTHWEST 3-5 MPH...BECOMING NORTHWEST TO NORTH
                    5-10 MPH BETWEEN 9 AM AND 11 AM. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR ANY THUNDERSTORMS IN THE
                    AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST 5-10 MPH SHIFTING TO THE NORTHWEST
                    AROUND 10 MPH BY AROUND 10 AM.
LAL.................1 UNTIL NOON...THEN 2.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1900 FT AGL INCREASING TO 5500 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 5-10 MPH...BECOMING NORTHWEST 10-15 MPH
                    BETWEEN 10 AM AND NOON.
SMOKE DISPERSAL.....POOR...INCREASING TO FAIR (55235 KNOT-FT) BY AROUND
                    NOON.

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT). ISOLATED SHOWERS
                    AND THUNDERSTORMS THROUGH ABOUT 8 PM.
MIN TEMPERATURE.....36-39.
MAX HUMIDITY........66-69 PERCENT.
20 FOOT WINDS.......NORTH 5-10 MPH...BECOMING SOUTH 3-6 MPH BY AROUND
                    MIDNIGHT.
RIDGE TOP WINDS.....NORTH AROUND 10 MPH...BECOMING SOUTH 5-10 MPH
                    BY MIDNIGHT.
LAL.................2 UNTIL 8 PM...THEN 1.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4500 FT AGL DECREASING TO 800 FT AGL BY 8 PM.
TRANSPORT WINDS.....NORTH AROUND 10 MPH...BECOMING SOUTH 5-10 MPH
                    BY MIDNIGHT.
SMOKE DISPERSAL.....DECREASING TO POOR BY 8 PM.

.THURSDAY...
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (30-40 PERCENT).
MAX TEMPERATURE.....67.
MIN HUMIDITY........22 PERCENT.
20 FOOT WINDS.......SOUTH TO SOUTHWEST 5-10 MPH.
RIDGE TOP WINDS.....SOUTH 10-15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1600 FT AGL INCREASING TO 6700 FT AGL IN
                    THE AFTERNOON.
TRANSPORT WINDS.....SOUTH TO SOUTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR...INCREASING TO GOOD (63900 KNOT-FT)
                    BY MIDDAY.

.FORECAST DAYS 3 THROUGH 5...

.THURSDAY NIGHT...PARTLY CLOUDY. LOWS IN THE UPPER 30S. WINDS
GENERALLY LESS THAN 10 MPH.

.FRIDAY...MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. HIGHS IN THE LOWER 60S. SOUTH TO SOUTHWEST WINDS
10-15 MPH...SHIFTING TO THE NORTHWEST 10-20 MPH FRIDAY AFTERNOON
AND EVENING. GUSTS TO 30 MPH IN THE AFTERNOON...NOT ASSOCIATED
WITH THUNDERSTORMS. GUSTIER AND ERRATIC WINDS POSSIBLE WITH ANY
THUNDERSTORM ACTIVITY.

.SATURDAY...PARTLY CLOUDY. ISOLATED SHOWERS. LOWS IN THE MID 30S.
HIGHS IN THE UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH.

.SUNDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS. LOWS IN THE MID
30S. HIGHS IN THE LOWER 50S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MURRELL
REQUESTED BY...MCKENZIE
REASON FOR REQUEST...PRESCRIBED
.TAG 20130403.NORTH.01/RIW