Image of a Severe Thunderstorm (IMAGE) Purdue University Caption This is an image of a severe thunderstorm that occurred on June 7, 2005, near Murdo, S.D. Credit Karen A. Kosiba Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.