FNUS75 KBYZ 211601
FWSBYZ

SPOT FORECAST FOR TIE CREEK RX U-17...NORTHERN CHEYENNE
NATIONAL WEATHER SERVICE BILLINGS MT
1001 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...
DRY CONDITIONS WILL PREVAIL AT THE SITE TODAY. SOUTHEASTERLY
SURFACE WINDS WILL INCREASE BY EARLY AFTERNOON. A COLD FRONT WILL
BEGIN TO MOVE ACROSS THE SITE LATE THIS AFTERNOON. WINDS WILL
SHIFT TO THE NORTH WITH GUSTS UP TO 20 MPH BY LATE THIS
AFTERNOON. TEMPERATURES WILL BE ABOUT 10 DEGREES COOLER FOR
WEDNESDAY. ISOLATED SHOWERS WILL BE POSSIBLE BY WEDNESDAY
MORNING. THE BEST CHANCES FOR PRECIPITATION WILL OCCUR WEDNESDAY
NIGHT. BRS

.TODAY...

SKY/WEATHER.........PARTLY SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....66-71.
MIN HUMIDITY........28-33 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHEAST WINDS 10 TO 20 MPH BECOMING NORTH
                    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.....40-45.
MAX HUMIDITY........80-85 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH WINDS 5 TO 15 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.....55-60.
MIN HUMIDITY........57-62 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH WINDS 5 TO 10 MPH.
 RIDGETOP...........NORTHEAST 10 TO 20 MPH.
MIXING HEIGHT.......3000 FT AGL.
MIXING WINDS........NORTHEAST 10 TO 20 MPH.

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