Tornado Warning!!! in northeast South Dakota...

559 PM CDT sun Jun 17 2012 

The National Weather Service in Aberdeen has issued a 

* Tornado Warning for... 
northeastern Marshall County in northeast South Dakota... 
northwestern Roberts County in northeast South Dakota... 

* until 630 PM CDT 

* at 555 PM CDT...National Weather Service Doppler radar indicated a 
severe thunderstorm capable of producing a tornado. This dangerous 
storm was located near Veblen...or 16 miles northwest of 
Sisseton...and moving east at 15 mph. 

In addition...at 5:55 PM tennis Ball size hail was reported 7 
miles west of Veblen with this storm.