FNUS75 KRIW 291001
FWSRIW

SPOT FORECAST FOR MIDDLE...IA CDC
NATIONAL WEATHER SERVICE RIVERTON WY
401 AM MDT WED SEP 29 2010

FORECAST IS BASED ON REQUEST TIME OF 2007 MDT ON SEPTEMBER 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

ANOTHER VERY WARM AND DRY DAY IS EXPECTED ACROSS THE FIRE SITE.
WINDS WILL BE LIGHTER THAN YESTERDAY...WITH LIGHT AND MAINLY
TERRAIN DRIVEN WINDS EXPECTED.

THE UNSEASONABLY WARM AND DRY CONDITIONS WILL CONTINUE THROUGH
SUNDAY. MODELS ARE STILL HINTING AT A SYSTEM AFFECTING THE AREA
NEXT MONDAY AND/OR TUESDAY. MODELS DISAGREE ON LOCATION AND
AMOUNTS OF PRECIPITATION STILL...BUT AGREE ON COOLER CONDITIONS
MOVING INTO THE AREA. BREEZY CONDITIONS ARE EXPECTED MONDAY.

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

FORECASTER...MURRELL

.TODAY...
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....72-76.
MIN HUMIDITY........13-17 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 3-7 MPH BY 1000.
RIDGE TOP WINDS.....NORTHWEST 5 TO 10 MPH...BECOMING LIGHT AND
                    VARIABLE AROUND 1000...THEN BECOMING WEST
                    NORTHWEST AROUND 5 MPH AROUND 1400.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1200 FT AGL INCREASING TO 5800 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....WEST NORTHWEST 5-10 MPH.
SMOKE DISPERSAL.....POOR INCREASING TO FAIR (13700-41500 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........35-40 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 3-5 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 5 MPH...BECOMING LIGHT EAST
                    TO SOUTHEAST BY AROUND 2200.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......4500 FT AGL DECREASING TO 800 FT AGL
                    BY 2000.
TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH...BECOMING LIGHT EAST
                    TO SOUTHEAST BY AROUND 2200.
SMOKE DISPERSAL.....DECREASING TO POOR BY 2000.

.THURSDAY...
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........14-18 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 4-8 MPH.
RIDGE TOP WINDS.....SOUTHWEST 5-10 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......800 FT AGL INCREASING TO 5000 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR INCREASING TO FAIR BY EARLY AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY NIGHT...CLEAR. LOWS IN THE MID 30S. WINDS GENERALLY
LESS THAN 10 MPH.

.FRIDAY...MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS AROUND 70.
WINDS GENERALLY LESS THAN 10 MPH.

.SATURDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 60S. WINDS GENERALLY LESS THAN 10 MPH.

.SUNDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER
70S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...MURRELL
REQUESTED BY...JAMES HARBUZ
REASON FOR REQUEST...WILDFIRE
.TAG 20100928.MIDDL.01/RIW