Suppression Forecast
Issued by NWS Billings, MT

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000
FNUS75 KBYZ 171655
FWSBYZ

SPOT FORECAST FOR TWIN BUTTES 3...USFS BIGHORN NF
NATIONAL WEATHER SERVICE BILLINGS MT
1055 AM MDT WED SEP 17 2014

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON SEPTEMBER 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

COULD BE A FEW SHOWERS IN THE BURN AREA BEFORE SUNRISE TOMORROW.
EXPECT A BREAK IN PRECIPITATON CHANCES FROM SUNRISE THROUGH ABOUT
3 PM. AFTER 3 PM ISOLATED TO POSSIBLY SCATTERED THUNDERSTORMS WILL
BE POSSIBLE AS COLD FRONT APPROACHES THE AREA. FRONTAL PASSAGE
BETWEEN 6 PM AND 8 PM WILL BE THE BEST TIMING FOR
PRECIPITATION...WITH SHOWERS LINGERING THROUGH THE NIGHT.
TEMPERATURES LOOK TO BE A FEW DEGREES WARMER THAN TODAY AT THE
SITE...WITH RH VALUES A BIT LOWER. THERE WILL BE CONSIDERABLE
CLOUD COVER IN THE AREA BUT EXPECT BREAKS IN IT AT TIMES. CHAMBERS

.THURSDAY...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED SHOWERS AND
                    THUNDERSTORMS AFTER 3 PM.
CWR.................15 PERCENT.
LAL.................3...9 TO 15 STRIKES/15 MIN/CELL.
MAX TEMPERATURE.....67-72.
MIN HUMIDITY........27-33 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......UP SLOPE/VALLEY 6 TO 12 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    AFTERNOON.
 RIDGETOP...........SOUTHWEST 10 TO 20 MPH.
MIXING HEIGHT.......10900 FT AGL.
MIXING WINDS........SOUTHWEST 15 TO 25 MPH.
HAINES INDEX........4.

$$
FORECASTER...CHAMBERS
REQUESTED BY...ERIC COMSTOCK
TYPE OF REQUEST...PRESCRIBED
.TAG 20140918.TWINB.01/BYZ



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