FNUS75 KBYZ 211529
FWSBYZ

SPOT FORECAST FOR RANGELAND RX UNIT 19A...NORTHERN CHEYENNE
NATIONAL WEATHER SERVICE BILLINGS MT
929 AM MDT TUE APR 21 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 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 THE
UPPER TEENS. RH RECOVERIES WILL BE RELATIVELY POOR TONIGHT.
OCCASIONAL MID LEVEL CLOUDS ARE POSSIBLE 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.

.REST OF TODAY...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....76-81.
MIN HUMIDITY........16-21 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST TO NORTHWEST WINDS 5 TO 10 MPH EARLY...AS TEMPS
                    REACH THE UPPER 60S WINDS WILL BECOME 10 TO 20 MPH
                    WITH GUSTS TO 25 MPH.
 RIDGETOP...........WEST 15 TO 25 MPH.
MIXING HEIGHT.......12800 FT AGL.
MIXING WINDS........NORTHWEST 15 TO 25 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....45-50.
MAX HUMIDITY........53-58 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 5 TO 10 MPH.
 RIDGETOP...........WEST TO SOUTHWEST 15 TO 25 MPH.
MIXING HEIGHT.......600 FT AGL.
MIXING WINDS........WEST 15 TO 25 MPH.

$$
FORECASTER...TESAR
REQUESTED BY...LEE OLD BEAR
TYPE OF REQUEST...PRESCRIBED
.TAG 20090421.RANGE.02/BYZ