Was it tornadoes or straight-line winds that caused so much damage across parts of the Tri-State during Sunday night’s thunderstorms? We should know by day’s end. The National Weather Service in Wilmington says teams of meteorologists are heading out Monday to survey several areas after they received more than 50 reports of storm damage since 8 p.

People throughout the region had to deal with hail, strong winds, lightning, and heavy rain. The National Weather Service confirmed on Monday that three EF-0 tornadoes touched down in Butler and Warren counties. Whitney Moore owns Blue Ox Portable Services. She said they have several units in Warren County.

A line of strong thunderstorms swept across the area Sunday evening, knocking down trees, damaging homes, closing roads and leaving thousands of area residents without power.

Thunderstorms, large hail, destructive wind gusts and strong tornadoes threaten up to 73 million people across the Mississippi, Ohio and Tennessee Valleys on Sunday. By evening, Michigan, Missouri and Mississipi each had preliminary tornado reports as a storm system slowly marched east,

Video shows a portion of one of the University of Miami’s freshman dorm patios curtained off after the patio area roof collapsed over the weekend.

“Showers and thunderstorms are expected Sunday evening into Sunday night,” NWS’ Hazardous Weather Outlook states. “Some strong to severe storms are likely during this time, with damaging winds being the primary threat. Large hail and a few tornadoes will also be possible.”

Miami Fire Rescue said that as the festival continues, they'll continue to monitor the weather, especially for any lightning that may strike.

A line of dangerous storms is sweeping east after touching off several tornadoes, dropping golf ball-sized hail and causing at least two deaths in the central US this weekend.