a possible gas leak in the city of possibly 2600. this weekend. a pronounced funnel cloud and tornado if progress. reporter: over 70 reported from south dakota to texas. there with goes the school! reporter: this video shows a tornado hitting a high school in iowa. the school sheltering 100 people evacuated in the nick of time as tornado sirens flared. another tornado ripping through a small south dakota town injuring multiple people and damaging over 20 buildings. i step outside, there is no wind no rain no noises and then i can hear the howling. it sounded like an airplane. that was the first tornado i ve ever seen in my life. reporter: on saturday a tornado struck eastland texas, killing one and injuring another critically. storms dumped rain and baseball size hail on parts of oklahoma resulting in floods. people carried to safety by