FNUS75 KRIW 071531
FWSRIW

SPOT FORECAST FOR MOSS RANCH LITTLE MTN...BLM CAD
NATIONAL WEATHER SERVICE RIVERTON WY
931 AM MDT WED APR 7 2010

FORECAST IS BASED ON IGNITION TIME OF 0920 MDT ON APRIL 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
SOME LIGHT SNOWFALL NOTED OVER THE BURN AREA THIS MORNING...WITH
SHOWERS QUICKLY MOVING FURTHER SOUTHEAST OUT OF THE AREA AS HIGH
PRESSURE STRENGTHENS. AS THIS SYSTEM BECOMES INCREASINGLY
DOMINANT TODAY...THE CURRENT HIGH THIN CLOUD DECK WILL MOVE
FURTHER SOUTHEAST WITH MOSTLY CLEAR SKIES ANTICIPATED LATER THIS
MORNING. THIS AREA OF HIGH PRESSURE WILL ALLOW TEMPERATURES TO
WARM OVER THE NEXT COUPLE OF DAYS WITH DECREASED RELATIVE
HUMIDITY. THE HIGH PRESSURE AXIS WILL PASS THROUGH THE AREA BY
THURSDAY AFTERNOON WHEN HUMIDITY WILL DECREASE FURTHER WITH
CONTINUED WARMING TEMPERATURES. SOUTHERLY UPPER LEVEL WIND WILL
INCREASE THURSDAY MORNING OVER THE BURN SITE...WITH LOWER LEVEL
WIND CONSEQUENTLY EXPECTED TO INCREASE DURING THE AFTERNOON HOURS.


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

FORECASTER...BRANHAM

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT) THEN BECOMING MOSTLY
                    CLEAR (20-40 PERCENT) BY 1100. SLIGHT CHANCE OF
                    RAIN AND SNOW THROUGH 1100.
MAX TEMPERATURE.....49-53.
MIN HUMIDITY........19-23 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTHWEST AT
                    5-10 MPH AFTER 1300.
RIDGE TOP WINDS.....SOUTHWEST 5-9 MPH INCREASING TO 8 TO 12 MPH
                    AFTER 1200.
LAL.................1.
CWR.................ZERO PERCENT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 6500 FT AGL BY 1300.
TRANSPORT WINDS.....NORTHWEST 7 TO 10 BECOMING WEST AT 9 TO 15 MPH
                    BY 1400.
SMOKE DISPERSAL.....POOR INCREASING TO FAIR (36800-52800 KNOT-FT)
                    BY 1200.

.TONIGHT...
SKY/WEATHER.........BECOMING MOSTLY CLEAR (20-30 PERCENT) AFTER
                    2400.
MIN TEMPERATURE.....25-29.
MAX HUMIDITY........57-61 PERCENT.
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY 4-7 MPH BECOMING SOUTHEAST
                    AROUND 9 MPH WITH GUSTS TO AROUND 15 MPH BY
                    0400.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.
LAL.................1.
CWR.................ZERO PERCENT.
HAINES INDEX........BECOMING 3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH AFTER 0500.
MIXING HEIGHT.......DECREASING TO 1800-2800 FT AGL BY 0200.
TRANSPORT WINDS.....WEST AROUND 9 MPH SHIFTING TO THE SOUTH 10 TO
                    15 MPH BY 0300.
SMOKE DISPERSAL.....BECOMING POOR (19000-37700 KNOT-FT) BY 0100.

.THURSDAY...
SKY/WEATHER.........MOSTLY SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....55-60.
MIN HUMIDITY........17-21 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY 5-9 MPH BECOMING SOUTH 13 TO
                    16 MPH WITH GUSTS TO AROUND 25 MPH AFTER
                    1300.
RIDGE TOP WINDS.....SOUTH 15 TO 20 MPH INCREASING TO AROUND 25 MPH
                    BY 1300.
LAL.................1.
CWR.................ZERO PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO AROUND 1800 FT AGL BY 1200.
TRANSPORT WINDS.....SOUTH 15 TO 22 MPH SHIFTING TO THE NORTH AROUND
                    24 MPH BY 1400.
SMOKE DISPERSAL.....POOR (21300-26600 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...MOSTLY CLEAR. LOWS IN THE MID 30S. SOUTH WINDS
AROUND 10 MPH.
.FRIDAY...PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE MID
50S. WINDS GENERALLY LESS THAN 10 MPH.
.SATURDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE MID 50S. WINDS
GENERALLY LESS THAN 10 MPH.
.SUNDAY...MOSTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN
THE UPPER 30S. HIGHS IN THE LOWER 60S. WINDS GENERALLY LESS THAN
10 MPH.

$$

FORECASTER...BRANHAM
REQUESTED BY...CODY DISPATCH
REASON FOR REQUEST...PRESCRIBED
.TAG 20100407.MOSSR.01/RIW