FNUS75 KBYZ 051453
FWSBYZ

SPOT FORECAST FOR TIE CREEK...NORTHERN CHEYENNE AGENCY
NATIONAL WEATHER SERVICE BILLINGS MT
853 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. DEWPOINT
TEMPERATURES ARE 10 DEGREES HIGHER THAN THEY WERE YESTERDAY WHICH
SHOULD KEEP HUMIDITY VALUES SHOULD CLOSE TO 30 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.........MOSTLY SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....79-84.
MIN HUMIDITY........29-34 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH WINDS 5 TO 10 MPH.
 RIDGETOP...........SOUTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......6700 FT AGL.
MIXING WINDS........SOUTH 5 TO 15 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....56-61.
MAX HUMIDITY........59-64 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHEAST WINDS 5 TO 10 MPH.
 RIDGETOP...........SOUTHEAST 5 TO 15 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.....82-87.
MIN HUMIDITY........27-32 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......EAST WINDS 10 TO 15 MPH.
 RIDGETOP...........SOUTHEAST 10 TO 20 MPH.
MIXING HEIGHT.......8800 FT AGL.
MIXING WINDS........EAST 10 TO 20 MPH.

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