FNUS75 KBYZ 201434
FWSBYZ

SPOT FORECAST FOR TIE CREEK RX...NORTHERN CHEYENNE
NATIONAL WEATHER SERVICE BILLINGS MT
834 AM MDT WED MAY 20 2009

FORECAST IS BASED ON IGNITION TIME OF 1300 MDT ON MAY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
IT WILL BE MUCH COOLER TODAY THAN IT WAS YESTERDAY DUE TO A
COLD FRONT THAT MOVED ACROSS THE AREA LAST NIGHT. ISOLATED
SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE INTO THIS EVENING
AS AN UPPER TROUGH MOVES ACROSS THE BURN SITE. HIGH TEMPERATURES
WILL BE IN THE UPPER 50S TO LOWER 60S AND MINIMUM RELATIVE
HUMIDITIES WILL BE IN THE UPPER 30S TO LOWER 40S THIS AFTERNOON.
WINDS WILL BE NORTHWEST 10 TO 20 MPH. NORTHWEST WINDS AT 5 TO 15 MPH
THIS EVENING WILL BECOME LIGHT DOWNSLOPE/DOWN VALLEY LATE TONIGHT.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS AND
                    ISOLATED THUNDERSTORMS.
CWR.................12 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....57-62.
MIN HUMIDITY........38-43 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 10 TO 20 MPH. GUSTY AND
                    ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........NORTH 5 TO 15 MPH.
MIXING HEIGHT.......3000 FT AGL.
MIXING WINDS........NORTH 10 TO 20 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE
                    EVENING.
CWR.................9 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....38-43.
MAX HUMIDITY........62-67 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 15 MPH BECOMING DOWNSLOPE/DOWN
                    VALLEY AROUND 5 MPH LATE.
 RIDGETOP...........NORTHWEST 15 TO 30 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........NORTHWEST 10 TO 20 MPH.

$$
FORECASTER...ARTHUR
REQUESTED BY...LEE OLD BEAR
TYPE OF REQUEST...PRESCRIBED
.TAG 20090520.TIECR.01/BYZ