FNUS75 KRIW 271123
FWSRIW

SPOT FORECAST FOR NORTH FORK II UNIT R10...USFS SHF
NATIONAL WEATHER SERVICE RIVERTON WY
523 AM MDT SAT MAR 27 2010

FORECAST IS BASED ON IGNITION TIME OF 1200 MDT ON MARCH 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...STRONG WEST TO SOUTHWEST WINDS SUNDAY NIGHT THROUGH TUESDAY...

.DISCUSSION...
A RIDGE OF HIGH PRESSURE WILL BUILD OVER THE FIRE SITE
TODAY...RESULTING IN DRY CONDITIONS AND MAINLY TERRAIN DRIVEN
WINDS. SUNDAY WILL CONTINUE TO BE DRY...WITH WARMER TEMPERATURES
AND WEST TO SOUTHWEST WINDS BEGINNING TO INCREASE IN THE
AFTERNOON. THERE IS A GOOD CHANCE FOR STRONG WEST TO SOUTHWEST
WINDS MONDAY AND TUESDAY...WITH THE POSSIBILITY OF THEM KICKING IN
AS EARLY AS SUNDAY NIGHT.

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

FORECASTER...MURRELL

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....45-50.
MIN HUMIDITY........19-23 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 4-8 MPH.
RIDGE TOP WINDS.....WEST AROUND 10 MPH.
LAL.................1.
CWR.................ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1500 FT AGL INCREASING TO 4500 FT AGL IN
                    THE AFTERNOON.
TRANSPORT WINDS.....WEST 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR (15000 KNOT-FT) INCREASING TO
                    FAIR (58500 KNOT-FT) BY MIDDAY.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....20-25.
MAX HUMIDITY........60-65 PERCENT.
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 3 TO 6 MPH.
RIDGE TOP WINDS.....WEST AROUND 10 MPH.
LAL.................1.
CWR.................ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2300 FT AGL DECREASING TO 400 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....WEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR (2300-30300 KNOT-FT).

.SUNDAY...
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (25-35 PERCENT).
MAX TEMPERATURE.....53-57.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 4 TO 8 MPH...BECOMING WEST
                    SOUTHWEST 10 TO 15 MPH WITH GUSTS TO AROUND 25
                    MPH.
RIDGE TOP WINDS.....WEST SOUTHWEST 15 TO 20 MPH.
LAL.................1.
CWR.................ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3000-4000 FT AGL.
TRANSPORT WINDS.....WEST SOUTHWEST 15 TO 25 MPH.
SMOKE DISPERSAL.....POOR (10000 KNOT-FT) INCREASING TO
                    GOOD (72000 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.SUNDAY NIGHT...PARTLY CLOUDY. LOWS AROUND 30. WEST/SOUTHWEST
WINDS AROUND 15 MPH.
.MONDAY...WINDY. PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS
IN THE MID 30S. HIGHS IN THE MID 50S. WEST SOUTHWEST WINDS 15 TO
25 MPH...INCREASING TO 20 TO 30 MPH. GUSTS AROUND 45 MPH.
.TUESDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS.
LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 50S. SOUTHWEST WINDS 15
TO 25 MPH. GUSTS AROUND 45 MPH.
.WEDNESDAY...MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE MID 40S. WINDS
GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MURRELL
REQUESTED BY...CLINT DAWSON
REASON FOR REQUEST...PRESCRIBED
.TAG 20100327.NORTH.01/RIW