FNUS75 KRIW 271337
FWSRIW

SPOT FORECAST FOR MIDDLE...IA CDC
NATIONAL WEATHER SERVICE RIVERTON WY
737 AM MDT MON SEP 27 2010

FORECAST IS BASED ON REQUEST TIME OF 0709 MDT ON SEPTEMBER 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
WARM AND DRY CONDITIONS EXPECTED OVER THE FIRE TODAY AS HIGH
PRESSURE REMAINS OVER THE AREA. GENERALLY LIGHT WIND EXPECTED
THROUGH THE OVERNIGHT HOURS. THE RIDGE OF HIGH PRESSURE WILL
FLATTEN A BIT EARLY TUESDAY MORNING...RESULTING IN AN INCREASED
WESTERLY WIND OVER THE FIRE BY TUESDAY AFTERNOON...THOUGH WIND
SHOULD STILL BE LESS THAN 20 MPH AT THE SURFACE. DRY AND WARM
CONDITIONS WILL CONTINUE FOR THE NEXT COUPLE DAYS. MORNING
INVERSIONS WILL BE POSSIBLE UNDER THIS SYSTEM...WHICH SHOULD BREAK
BY THE EARLY AFTERNOON HOURS.


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

FORECASTER...BRANHAM

.TODAY...
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....68-72.
MIN HUMIDITY........10-15 PERCENT.
20 FOOT WINDS.......WEST TO NORTHWEST 5-9 MPH.
RIDGE TOP WINDS.....WEST TO NORTHWEST 5 TO 10 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4... INCREASING TO 5 OR MODERATE POTENTIAL FOR
                    LARGE PLUME DOMINATED FIRE GROWTH AFTER 1000.
MIXING HEIGHT.......5400-6400 FT AGL AFTER 1300.
TRANSPORT WINDS.....WEST 6 TO 10 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (15900-49600 KNOT-FT).

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....36-40.
MAX HUMIDITY........66-71 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH...DECREASING TO 4 AFTER
                    2200.
MIXING HEIGHT.......DECREASING TO 300 FT AGL 0100.
TRANSPORT WINDS.....WEST 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR (2300-36300 KNOT-FT).

.TUESDAY...
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....69-73.
MIN HUMIDITY........10-15 PERCENT.
20 FOOT WINDS.......WEST TO NORTHWEST 5-9 MPH...INCREASING TO 10 TO 15
                    MPH AFTER 1400. GUSTS UP TO 20 MPH IN THE AFTERNOON.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH...INCREASING TO 15 TO 20 AFTER
                    1400.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........4...INCREASING TO 5 OR MODERATE POTENTIAL FOR LARGE
                    PLUME DOMINATED FIRE GROWTH AFTER 1300.
MIXING HEIGHT.......INCREASING TO 4500-5500 FT AGL AFTER 1400.
TRANSPORT WINDS.....WEST 10 TO 15 MPH...INCREASING TO 15 TO 20 MPH
                    AFTER 1400.
SMOKE DISPERSAL.....POOR TO GOOD (20300-61900 KNOT-FT).

.FORECAST DAYS 3 THROUGH 5...
.TUESDAY NIGHT...CLEAR. LOWS IN THE MID 30S. WINDS GENERALLY LESS
THAN 10 MPH.
.WEDNESDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS AROUND
70. WINDS GENERALLY LESS THAN 10 MPH.
.THURSDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 60S. WINDS GENERALLY LESS THAN 10 MPH.
.FRIDAY...MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER
60S. WINDS GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...BRANHAM
REQUESTED BY...CODY DISPATCH
REASON FOR REQUEST...WILDFIRE
.TAG 20100927.MIDDL.01/RIW