FNUS75 KRIW 291327
FWSRIW

SPOT FORECAST FOR MAKI RX...USFS BTF
NATIONAL WEATHER SERVICE RIVERTON WY
727 AM MDT MON JUN 29 2009

FORECAST IS BASED ON IGNITION TIME OF 0900 MDT ON JUNE 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE WILL KEEP MOSTLY CLEAR SKIES...WARMING TEMPERATURES
AND DECREASED HUMIDITY OVER THE BURN SITE TODAY. GENERALLY DRY
CONDITIONS WILL CONTINUE THROUGH THE OVERNIGHT HOURS. A
DISTURBANCE EMBEDDED IN THE RIDGE OF HIGH PRESSURE WILL MOVE OVER
THE BURN SITE TUESDAY AFTERNOON. THIS WILL INCREASE CLOUD COVER
AND INTRODUCE ISOLATED SHOWERS AND THUNDERSTORMS. WITH THIS
ISOLATED COVERAGE...EXPECT CONTINUED WARMING TUESDAY AND SLIGHTLY LOWER
HUMIDITY. WIND WILL INCREASE AROUND THE ARRIVAL OF THE
DISTURBANCE...THOUGH SURFACE WIND SHOULD STILL BE LESS THAN 15 MPH
OUTSIDE OF THUNDERSTORM ENVIRONMENTS. WITH ANY THUNDERSTORM
ACTIVITY THERE WILL BE THREATS OF LIGHTNING...GUSTY AND ERRATIC
WIND TO 40 MPH AND SMALL HAIL.


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

FORECASTER...BRANHAM

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....73-77.
MIN HUMIDITY........19-25 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH BECOMING WEST AT 10 TO 13
                    MPH BY 1500.
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.
LAL.................1.
CHC OF WETTING RAIN.ZERO PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......5700 FT AGL INCREASING TO 9200 FT AGL IN THE
                    AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....BECOMING GOOD (96300 KNOT-FT) BY 1400.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....35-40.
MAX HUMIDITY........74-79 PERCENT.
20 FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-9 MPH. GUSTS UP TO 15
                    MPH UNTIL EARLY MORNING.
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.
MIXING HEIGHT.......DECREASING TO 200 FT AGL BY 0200.
TRANSPORT WINDS.....WEST 10 TO 15 MPH.
SMOKE DISPERSAL.....DECREASING TO POOR (2000 KNOT-FT) BY 0300.

.TUESDAY...
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (30-40 PERCENT) BY 1300. SLIGHT
                    CHANCE OF SHOWERS AND THUNDERSTORMS BY 1400.
MAX TEMPERATURE.....75-80.
MIN HUMIDITY........17-22 PERCENT.
20 FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. GUSTS UP TO 15 MPH
                    AFTER 1300. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS AFTER 1400.
RIDGE TOP WINDS.....SOUTH 5 TO 10 MPH SHIFTING TO THE SOUTHWEST
                    AT 12 TO 15 MPH AFTER 1300.
LAL.................1 UNTIL 1400...THEN 3.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......INCREASING TO 12700 FT AGL BY 1400.
TRANSPORT WINDS.....SOUTHWEST 10 TO 16 MPH.
SMOKE DISPERSAL.....INCREASING TO EXCELLENT (164700 KNOT-FT) BY
                    1300.

.FORECAST DAYS 3 THROUGH 5...
.TUESDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 40S. WINDS
GENERALLY LESS THAN 10 MPH.
.WEDNESDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE MID 70S. WINDS
GENERALLY LESS THAN 10 MPH.
.THURSDAY...PARTLY CLOUDY WITH ISOLATED SHOWERS AND
THUNDERSTORMS. LOWS AROUND 40. HIGHS IN THE MID 70S. WINDS
GENERALLY LESS THAN 10 MPH.
.FRIDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 40. HIGHS IN THE MID 70S. WINDS
GENERALLY LESS THAN 10 MPH.

$$

FORECASTER...BRANHAM
REQUESTED BY...RANDALL
REASON FOR REQUEST...PRESCRIBED
.TAG 20090629.MAKIR.01/RIW