FNUS75 KBYZ 211443
FWSBYZ

SPOT FORECAST FOR BROKEN JAW RX U 19...NORTHERN CHEYENNE
NATIONAL WEATHER SERVICE BILLINGS MT
843 AM MDT TUE SEP 21 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON SEPTEMBER 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
ANOTHER COLD FRONT WILL PUSH INTO THE SITE LATE THIS AFTERNOON.
AHEAD OF THE FRONT WINDS WILL BE A LITTLE ON THE STRONG SIDE FROM
THE SOUTHEAST. THE STRONGER WINDS WILL BE AT RIDGE TOP. WINDS
WILL TURN TO THE NORTH LATE THIS AFTERNOON AS THE FRONT MOVES IN.
NORTH WINDS WILL CONTINUE TONIGHT AND WEDNESDAY. COOLER AIR WILL
RUSH IN TONIGHT AND WEDNESDAY. A SLIGHT CHANCE OF RAIN SHOWERS
WILL MOVE IN WEDNESDAY AS A SYSTEM MOVES UP FROM THE SOUTHWEST. A
BETTER CHANCE OF SHOWERS WILL ENTER THE PICTURE WEDNESDAY NIGHT.
TWH


.TODAY...

SKY/WEATHER.........PARTLY SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....64-69.
MIN HUMIDITY........29-34 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHEAST WINDS 10 TO 18 MPH.
                    WINDS BECOMING LATE LATE IN THE AFTERNOON.
 RIDGETOP...........SOUTHEAST 15 TO 25 MPH.
MIXING HEIGHT.......7000 FT AGL.
MIXING WINDS........SOUTHEAST 15 TO 25 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....39-44.
MAX HUMIDITY........81-86 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH WINDS 10 TO 18 MPH.
 RIDGETOP...........NORTH 10 TO 20 MPH.
MIXING HEIGHT.......800 FT AGL.
MIXING WINDS........NORTH 10 TO 20 MPH.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY WITH ISOLATED RAIN SHOWERS.
CWR.................11 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....55-59.
MIN HUMIDITY........55-60 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH WINDS 6 TO 14 MPH.
 RIDGETOP...........NORTHEAST 10 TO 20 MPH.
MIXING HEIGHT.......3000 FT AGL.
MIXING WINDS........NORTHEAST 10 TO 20 MPH.

$$
FORECASTER...HUMPHREY
REQUESTED BY...MIKE BEARCOMESOUT
TYPE OF REQUEST...PRESCRIBED
.TAG 20100921.BROKE.01/BYZ