FNUS75 KRIW 181145
FWSRIW

SPOT FORECAST FOR BRETECHE CREEK RX...IA CDC
NATIONAL WEATHER SERVICE RIVERTON WY
545 AM MDT FRI MAR 18 2011

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON MARCH 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A RIDGE OF HIGH PRESSURE WILL BUILD IN TODAY WITH
SURFACE WINDS BACKING TO A MORE SOUTHWEST TO SOUTH DIRECTION
THROUGH THE DAY. TEMPERATURES WILL TREND WARMER WITH LITTLE TREND
IN RELATIVE HUMIDITY. LOOK FOR INCREASING HIGH CLOUDS IN THE
AFTERNOON. SOUTHWEST WINDS WILL INCREASE SATURDAY WITH
TEMPERATURES CONTINUING TO TREND WARMER WITH RELATIVE HUMIDITY
CONTINUING TO SHOW LITTLE TREND. WINDY CONDITIONS WILL CONTINUE
INTO SATURDAY NIGHT WITH SOME SNOW SHOWERS PUSHING INTO THE AREA.
DRIER...COOLER AND CONTINUED BREEZY TO WINDY CONDITIONS WILL
PREVAIL BY SUNDAY AFTERNOON.


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

FORECASTER...MEUNIER

.TODAY...
SKY/WEATHER.........PARTLY CLOUDY IN THE MORNING (30-40 PERCENT).  BECOMING
                    MOSTLY CLOUDY IN THE AFTERNOON (65-75 PERCENT).
MAX TEMPERATURE.....42-45.
MIN HUMIDITY........35-40 PERCENT.
20 FOOT WINDS.......WEST SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS 15 TO 20 MPH
                    IN THE MORNING BECOMING SOUTH SOUTHWEST 4 TO 8 MPH
                    WITH GUSTS TO 15 MPH IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH IN THE MORNING...DECREASING
                    TO 10 TO 15 MPH IN THE AFTERNOON.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......BELOW 1000 FT AGL THROUGH 0900 THEN INCREASING TO 6000
                    FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.
SMOKE DISPERSAL.....POOR THROUGH 1000 INCREASING TO VERY GOOD
                    IN THE AFTERNOON.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT).
MIN TEMPERATURE.....AROUND 30.
MAX HUMIDITY........59-62 PERCENT.
20 FOOT WINDS.......WEST SOUTHWEST 8 TO 13 MPH WITH GUSTS TO 20 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4100 FT AGL DECREASING TO BELOW 500 FT AGL AFTER
                    MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 16 MPH.
SMOKE DISPERSAL.....FAIR DECREASING TO POOR AFTER MIDNIGHT.

.SATURDAY...
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).
MAX TEMPERATURE.....47-50.
MIN HUMIDITY........33-38 PERCENT.
20 FOOT WINDS.......SOUTH SOUTHWEST 5 TO 10 MPH...BECOMING SOUTHWEST
                    10 TO 15 MPH WITH GUSTS 25 TO 30 MPH IN THE AFTERNOON.
RIDGE TOP WINDS.....SOUTH NEAR 10 MPH BECOMING SOUTHWEST 20 TO 25 MPH IN THE
                    AFTERNOON.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......BELOW 1000 FT AGL THROUGH 0900 INCREASING TO 6400 FT AGL
                    IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH SOUTHWEST AROUND 10 TO 15 MPH BECOMING SOUTHWEST
                    25 TO 30 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR INCREASING TO EXCELLENT IN THE AFTERNOON.

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY NIGHT...CLOUDY. LOWS IN THE MID 20S. WEST WINDS AROUND
13 MPH.
.SUNDAY...PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AND SNOW. LOWS
IN THE UPPER 20S. HIGHS IN THE MID 40S. WINDS GENERALLY LESS THAN
10 MPH.
.MONDAY...MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AND SNOW. LOWS
IN THE UPPER 20S. HIGHS IN THE LOWER 40S. WINDS GENERALLY LESS
THAN 10 MPH.
.TUESDAY...MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AND SNOW.
LOWS IN THE MID 20S. HIGHS AROUND 40. WINDS GENERALLY LESS THAN
10 MPH.

$$

FORECASTER...MEUNIER
REQUESTED BY...CODY DISPATCH
REASON FOR REQUEST...PRESCRIBED
.TAG 20110318.BRETE.01/RIW