FNUS75 KRIW 041033
FWSRIW

SPOT FORECAST FOR NORTH LITTLE MT5...BLM WOD
NATIONAL WEATHER SERVICE RIVERTON WY
433 AM MDT THU APR 4 2013

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON APRIL 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

A RIDGE OF HIGH PRESSURE WILL RESULT IN DRY AND MILD CONDITIONS
TODAY...BUT CONSIDERABLE MID AND HIGH LEVEL CLOUDINESS IS EXPECTED
OVER THE BURN SITE. A QUICK MOVING STORM SYSTEM WILL PUSH ACROSS
THE NORTHERN ROCKIES FRIDAY WITH INCREASING WINDS AND CHANCES OF
RAIN SHOWERS AND POSSIBLY A THUNDERSTORM. THE ASSOCIATED COLD
FRONT IS EXPECTED TO MOVE ACROSS THE FIRE SITE DURING THE MID TO
LATE AFTERNOON FRIDAY...SWITCHING WINDS FROM THE SOUTHWEST TO THE
NORTHWEST. AN UNSETTLED WEATHER PATTERN WILL CONTINUE THROUGH THE
WEEKEND INTO AT LEAST EARLY NEXT WEEK.

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

FORECASTER...MURRELL

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT)...BECOMING MOSTLY
                    CLOUDY (70-80 PERCENT) IN THE AFTERNOON.
MAX TEMPERATURE.....65.
MIN HUMIDITY........25 PERCENT.
20 FOOT WINDS.......LIGHT SOUTH WINDS...BECOMING SOUTH 5-10 MPH
                    BY AROUND NOON. OCCASIONAL GUSTS AROUND 15 MPH
                    BETWEEN 3 PM AND 6 PM.
RIDGE TOP WINDS.....SOUTH 10-15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1500 FT AGL INCREASING TO 6200 FT AGL IN
                    THE AFTERNOON.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH...BECOMING SOUTHWEST AROUND
                    15-20 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....BECOMING FAIR BETWEEN 10 AM AND NOON. GOOD IN THE
                    AFTERNOON.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (70 PERCENT). VERY ISOLATED RAIN
                    SHOWERS AFTER MIDNIGHT.
MIN TEMPERATURE.....40.
MAX HUMIDITY........65 PERCENT.
20 FOOT WINDS.......SOUTH 5-10 MPH.
RIDGE TOP WINDS.....SOUTH 10-15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......5400 FT AGL DECREASING TO 1800 FT AGL BY 8 PM.
TRANSPORT WINDS.....SOUTH 10-15 MPH.
SMOKE DISPERSAL.....BECOMING POOR BY 8 PM.

.FRIDAY...
SKY/WEATHER.........MOSTLY CLOUDY (75+ PERCENT). ISOLATED RAIN
                    SHOWERS IN THE MORNING...THEN SCATTERED RAIN
                    SHOWERS AND ISOLATED THUNDERSTORMS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....60.
MIN HUMIDITY........30 PERCENT.
20 FOOT WINDS.......SOUTH TO SOUTHWEST 10-15 MPH...BECOMING NORTHWEST
                    AROUND 4 PM. GUSTS UP TO 25 MPH. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN
                    THE AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST 10-15 MPH...BECOMING WEST 15-25 MPH BY
                    MIDDAY.
LAL.................1 UNTIL NOON...THEN 2.
CHC OF WETTING RAIN.10 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1800 FT AGL INCREASING TO 5000 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 15-20 MPH...BECOMING WEST 20-25 MPH IN THE
                    AFTERNOON.
SMOKE DISPERSAL.....GOOD IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...

.FRIDAY NIGHT...MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 30S. NORTHWEST WINDS
10-15 MPH...WITH GUSTS UP TO 25 MPH IN THE EVENING...DECREASING AFTER
9 PM.

.SATURDAY...PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. HIGHS
IN THE UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH.

.SUNDAY...PARTLY CLOUDY. CHANCE OF RAIN AND SNOW SHOWERS. LOWS IN THE
LOWER 30S. HIGHS IN THE LOWER 50S. WINDS GENERALLY LESS THAN 10 MPH.

.MONDAY...MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS IN THE MID 20S.
HIGHS IN THE LOWER 40S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MURRELL
REQUESTED BY...MONONI
REASON FOR REQUEST...PRESCRIBED
.TAG 20130404.NORTH.01/RIW