FNUS75 KBYZ 211413
FWSBYZ

SPOT FORECAST FOR RANGELAND RX UNIT 3L...NORTHERN CHEYENNE
NATIONAL WEATHER SERVICE BILLINGS MT
813 AM MDT TUE APR 21 2009

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON APRIL 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
ANOTHER WARM AND BREEZY DAY OVER THE BURN SITE. TEMPERATURES WILL
BE A LITTLE WARMER THAN YESTERDAY AND RH READINGS WILL DIP TO
NEAR 20 PERCENT. EXCEPT TO SEE A OCCASIONAL MID LEVEL CLOUDS BUT
WE SHOULD HAVE MORE SUNSHINE THAN YESTERDAY. EVEN A BIT WARMER
AND DRIER FOR WEDNESDAY...EXCEPT WINDS WILL BE MORE WEST TO
SOUTHWEST DURING THE DAY.


.TODAY...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....75-80.
MIN HUMIDITY........17-22 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST TO NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO 25 MPH.
 RIDGETOP...........NORTHWEST 15 TO 25 MPH.
MIXING HEIGHT.......12900 FT AGL.
MIXING WINDS........NORTHWEST 20 TO 30 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....46-52.
MAX HUMIDITY........49-58 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 10 MPH IN THE EVENING
                    SHIFTING TO THE SOUTHWEST OVERNIGHT.
 RIDGETOP...........WEST 15 TO 25 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........WEST 15 TO 25 MPH.

.WEDNESDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.... 78-84.
MIN HUMIDITY........16-19 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 15 MPH IN THE MORNING
                    INCREASING TO WEST 10 TO 20 MPH WITH GUSTS TO
                    AROUND 25 MPH IN THE AFTERNOON.
 RIDGETOP...........WEST 15 TO 20 MPH.
MIXING HEIGHT.......15200 FT AGL.
MIXING WINDS........WEST 20 TO 30 MPH.

$$
FORECASTER...TESAR
REQUESTED BY...LEE OLD BEAR
TYPE OF REQUEST...PRESCRIBED
.TAG 20090421.RANGE.01/BYZ