FNUS75 KBYZ 131752
FWSBYZ

SPOT FORECAST FOR TONGUE PILE BURN...USDA, FOREST SERVICE
NATIONAL WEATHER SERVICE BILLINGS MT
1052 AM MST WED JAN 13 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 MST ON JANUARY 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A RIDGE OF HIGH PRESSURE ALOFT AND AT THE SURFACE WILL KEEP LIGHT
WINDS OVER THE BURN SITE THURSDAY THROUGH FRIDAY. WINDS ARE
EXPECTED TO BE WEST TO SOUTHWEST AT 5 TO 15 MPH DURING THIS
PERIOD WITH WINDS IN THE SHERIDAN AREA LIGHT AND VARIABLE. WINDS
WILL REMAIN LIGHT THROUGH EARLY NEXT WEEK ALTHOUGH SEVERAL UPPER
LEVEL DISTURBANCES WILL BE MOVING THROUGH THE AREA. THESE SYSTEMS
WILL BE FAST MOVING AND ARE NOT EXPECTED TO BRING ANY PROLONG
TIME PERIODS OF INCREASED WIND SPEEDS.

.THURSDAY...

MIXING HEIGHT.......2600 FT AGL.
MIXING WINDS........WEST 5 TO 15 MPH.

$$
FORECASTER...RICHMOND
REQUESTED BY...KEVIN HILLARD
TYPE OF REQUEST...PRESCRIBED
.TAG 20100114.TONGU.01/BYZ