Severe Thunderstorm Watch #309

This includes Riverton, Casper, Sheridan, Miles City, Billings, and Glasgow.

SEVERE THUNDERSTORM WATCH NUMBER 309
   NWS STORM PREDICTION CENTER NORMAN OK
   105 PM MDT THU JUN 13 2013

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     EASTERN MONTANA
     CENTRAL AND NORTHERN WYOMING

   * EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 105 PM UNTIL
     900 PM MDT.

   * PRIMARY THREATS INCLUDE...
     SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 3
       INCHES IN DIAMETER POSSIBLE
     SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE