FNUS75 KBYZ 041800
FWSBYZ

SPOT FORECAST FOR BULL FIRE...FOREST SERVICE
NATIONAL WEATHER SERVICE BILLINGS MT
1200 PM MDT THU AUG 4 2011

FORECAST IS BASED ON REQUEST TIME OF 1137 MDT ON AUGUST 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A DISTURBANCE APPROACHING FROM IDAHO WILL BRING INCREASED CHANCES
OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND TONIGHT. A FEW
STORMS ARE POSSIBLE IN THE FIRE AREA AFTER 1 PM TODAY...BUT THE
BETTER CHANCE OF SHOWERS AND WETTING RAIN WILL BE BEGIN AFTER 6 PM
THIS EVENING...CONTINUING INTO FRIDAY. ERRATIC WIND GUSTS TO 35
MPH ARE POSSIBLE NEAR ANY STORMS...ESPECIALLY THIS AFTERNOON. A
COOL FRONT WILL ENHANCE THE NORTHERLY VALLEY WINDS FRIDAY MORNING.
EXPECT COOLER TEMPS AND HIGHER HUMIDITY ON FRIDAY. JKL

.TODAY...

SKY/WEATHER.........PARTLY SUNNY WITH SCATTERED AFTERNOON
                    THUNDERSTORMS.
CWR.................20 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....77-81.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH 5 TO 10 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    AFTERNOON.
 RIDGETOP...........SOUTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......8000 FT AGL.
MIXING WINDS........SOUTHWEST 10 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY WITH SCATTERED SHOWERS AND
                    THUNDERSTORMS.
CWR.................40 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....44-49.
MAX HUMIDITY........85-95 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH 5 TO 10 MPH. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........SOUTH TO SOUTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......FALLING TO 500 FT AGL.
MIXING WINDS........NORTH 10 MPH.

.FRIDAY...

SKY/WEATHER.........PARTLY SUNNY WITH SCATTERED SHOWERS AND
                    THUNDERSTORMS.
CWR.................40 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....69-74.
MIN HUMIDITY........32-37 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTH WINDS 10 TO 15 MPH BECOMING VARIABLE IN
                    THE AFTERNOON. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
 RIDGETOP...........WEST 10 TO 20 MPH.
MIXING HEIGHT.......6000 FT AGL.
MIXING WINDS........WEST 15 MPH.

$$
FORECASTER...LESTER
REQUESTED BY...EDWIN FOLTS
TYPE OF REQUEST...WILDFIRE
.TAG 20110804.BULLF.01/BYZ