FNUS75 KBYZ 051403
FWSBYZ

SPOT FORECAST FOR BLACK SPRINGS RX...NORTHERN CHEYENNE
NATIONAL WEATHER SERVICE BILLINGS MT
803 AM MDT SUN JUN 5 2011

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON JUNE 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
UPPER LEVEL RIDGE OVER THE BURN SITE TODAY WITH WARM CONDITIONS
AND ONLY HIGH CLOUDS EXPECTED. WINDS WILL BE LIGHT TODAY BUT
WARMER TEMPERATURES SHOULD PERMIT DEEPER MIXING. HUMIDITY VALUES
SHOULD REMAIN ABOVE 25 PERCENT. FOR MONDAY AN APPROACHING WEATHER
SYSTEM WILL CAUSE THE WINDS TO TURN EASTERLY AND INCREASE IN
SPEED. IT WILL BE WARM AGAIN ON MONDAY BUT HUMIDITY WILL BE
HIGHER. THERE IS A THREAT FOR THUNDERSTORMS MONDAY EVENING.

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....81-86.
MIN HUMIDITY........27-32 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH WINDS 5 TO 10 MPH.
 RIDGETOP...........SOUTH 10 TO 20 MPH.
MIXING HEIGHT.......8700 FT AGL.
MIXING WINDS........SOUTH 5 TO 15 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....53-58.
MAX HUMIDITY........63-68 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHEAST WINDS 5 TO 10 MPH.
 RIDGETOP...........EAST 5 TO 10 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........SOUTHEAST 5 TO 15 MPH.

.MONDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....83-88.
MIN HUMIDITY........31-35 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......EAST WINDS 5 TO 10 MPH.
 RIDGETOP...........SOUTHEAST 10 TO 20 MPH.
MIXING HEIGHT.......10800 FT AGL.
MIXING WINDS........EAST 10 TO 20 MPH.

$$
FORECASTER...BORSUM
REQUESTED BY...MIKE BEARCOMESOUT
TYPE OF REQUEST...PRESCRIBED
.TAG 20110605.BLACK.01/BYZ