FNUS75 KBYZ 230248
FWSBYZ

SPOT FORECAST FOR HORSE THIEF BUTTE...NORTHERN CHEYENNE
NATIONAL WEATHER SERVICE BILLINGS MT
848 PM MDT SUN AUG 22 2010

FORECAST IS BASED ON REQUEST TIME OF 2042 MDT ON AUGUST 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

ANOTHER ROUND OF SHOWERS AND THUNDERSTORMS WILL MOVE INTO THE
FIRE AREA AROUND 930 PM MDT. EXPECT ERRATIC WIND GUSTS TO 35 MPH
WITH THIS ACTIVITY. OUTSIDE OF THUNDERSTORMS EXPECT NORTHWEST
WINDS TO REMAIN GUSTY OVERNIGHT AND THROUGH THE DAY TOMORROW.
GUSTS LATE TONIGHT WILL BE AROUND 35 MPH OUTSIDE OF STORMS...AND
UP TO 40 MPH TOMORROW BY MID DAY. WETTING RAIN CHANCES TONIGHT
ARE HIGH WITH NUMEROUS ROUNDS OF PRECIPITATION EXPECTED TO MOVE
THROUGH THE FIRE AREA. PRECIPITATION WILL END MONDAY MORNING WITH
DRY CONDITIONS MONDAY AFTERNOON. CHAMBERS

.REST OF TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY WITH SHOWERS AND THUNDERSTORMS.
CWR.................65 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MIN TEMPERATURE.....52-57.
MAX HUMIDITY........85-90 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO
                    AROUND 35 MPH. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS.
 RIDGETOP...........NORTHWEST 15 TO 30 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........NORTHWEST 30 TO 40 MPH.

.MONDAY...

SKY/WEATHER.........MOSTLY CLOUDY WITH ISOLATED SHOWERS AND
                    THUNDERSTORMS IN THE MORNING...BECOMING
    MOSTLY SUNNY AND DRY IN THE AFTERNOON.
CWR.................20 PERCENT.
LAL.................2...1 TO 8 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....73-77.
MIN HUMIDITY........25-29 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST WINDS 10 TO 20 MPH IN THE
                    MORNING...INCREASING TO 20 TO 30 MPH
                    WITH GUSTS TO AROUND 40 MPH IN THE AFTERNOON.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS IN THE MORNING.
 RIDGETOP...........NORTHWEST 25 TO 40 MPH.
MIXING HEIGHT.......8000 FT AGL.
MIXING WINDS........NORTHWEST 30 TO 45 MPH.

$$
FORECASTER...CHAMBERS
REQUESTED BY...SHANNON SEMINOLE
TYPE OF REQUEST...WILDFIRE
.TAG 20100822.HORSE.01/BYZ