FNUS75 KBYZ 060020
FWSBYZ

SPOT FORECAST FOR MAIN BOULDER 8A...USFS - BZC
NATIONAL WEATHER SERVICE BILLINGS MT
620 PM MDT THU MAY 5 2011

FORECAST IS BASED ON IGNITION TIME OF 1825 MDT ON MAY 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

A WEAK COOL FRONT WILL MOVE ACROSS THE BURN SITE THIS EVENING
BRINGING A SLIGHT CHANCE FOR A SHOWER OVERNIGHT. WINDS WILL BEGIN
TO DECREASE THIS EVENING AND SHIFT TO THE NORTHWEST BEHIND THE
FRONT. TEMPERATURES WILL BE COOLER FRIDAY ALONG WITH HIGHER
HUMIDITIES IN THE 20 TO 30 PERCENT RANGE. A WEAK DISTURBANCE WILL
MOVE OVER THE AREA LATE FRIDAY AFTERNOON INTO THE EVENING
BRINGING A CHANCE FOR A SHOWER.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS.
CWR.................16 PERCENT.
MIN TEMPERATURE.....33-38.
MAX HUMIDITY........65-70 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 10 TO 20 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........SOUTHWEST 20 TO 30 MPH.

.FRIDAY...

SKY/WEATHER.........PARTLY SUNNY WITH A SLIGHT CHANCE FOR SHOWERS.
CWR.................18 PERCENT.
MAX TEMPERATURE.....52-57.
MIN HUMIDITY........38-43 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......WEST WINDS 5 TO 15 MPH.
MIXING HEIGHT.......5800 FT AGL.
MIXING WINDS........WEST 15 TO 30 MPH.

$$
FORECASTER...HOOLEY
REQUESTED BY...CRISTI HEANEY
TYPE OF REQUEST...PRESCRIBED
.TAG 20110505.MAINB.03/BYZ