FNUS75 KBYZ 232109
FWSBYZ

SPOT FORECAST FOR BLACK SPRING RX...NORTHEN CHEYENNE
NATIONAL WEATHER SERVICE BILLINGS MT
309 PM MDT WED SEP 23 2009

FORECAST IS BASED ON IGNITION TIME OF 1600 MDT ON SEPTEMBER 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
WEATHER CONDITIONS WILL BE A LITTLE WARMER AND DRIER TONIGHT AND
THURSDAY. SKIES SHOULD REMAIN CLEAR WITH NO CHANCE OF
PRECIPITATION. WINDS WILL BE RELATIVELY LIGHT AND BE OUT OF THE
EAST EARLY THIS EVENING. WINDS SHOULD TURN MORE SOUTHERLY
OVERNIGHT. WINDS WILL RETURN TO MORE OF A SOUTHEAST DIRECTION ON
THURSDAY. HUMIDITIES WILL FALL TO AROUND 20 PERCENT...AND MY SLIP
BELOW 20 PERCENT FOR A COUPLE OF HOURS IN THE AFTERNOON. HUMPHREY

.TONIGHT...

SKY/WEATHER.........CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....45-50.
MAX HUMIDITY........60-65 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......EAST WINDS 4 TO 12 MPH IN THE EVENING SHIFTING
                    TO THE SOUTH OVERNIGHT.
 RIDGETOP...........SOUTHEAST AROUND 10 MPH.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........SOUTHEAST AROUND 10 MPH.

.THURSDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....79-84.
MIN HUMIDITY........17-22 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHEAST WINDS 4 TO 12 MPH.
 RIDGETOP...........SOUTHEAST AROUND 10 MPH.
MIXING HEIGHT.......8000 FT AGL.
MIXING WINDS........SOUTHEAST AROUND 10 MPH.

$$
FORECASTER...HUMPHREY
REQUESTED BY...LEE OLD BEAR
TYPE OF REQUEST...PRESCRIBED
.TAG 20090923.BLACK.02/BYZ