The National Weather Service has confirmed a tornado touched down near Adairville, in south-central Kentucky on Monday and National Weather Service crews will inspect damage around Delaware and Maryland.
The NWS office in Louisville said the EF2 tornado plowed a path estimated at five miles long and as wide as 300 yards.
There were three known injuries in Logan County, none of them life-threatening.
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The assessment team said the tornado that struck around 2 p.m. Monday had winds of 135 mph. It killed some livestock and injured several horses that were expected to be put down.
One home was demolished and three others were damaged to the point they are uninhabitable. Numerous outbuildings were destroyed and three large grain bins were blown up to a quarter-mile.
The storm system continued to wreak havoc as it spread East on Monday.
Meteorologist Brandon Peloquin says storm survey crews will visit several locations in central and southern Maryland on Tuesday to determine whether damage reported in those areas was caused by a tornado or straight line winds.
"Interestingly Sunday, we saw a waterspout move ashore in the French Riviera," said weather.com senior meteorologist Jon Erdman. "Monday, it was Baltimore's turn."
A tornado was reported near Sykesville on Monday and a Howard County fire official reported high winds destroyed a building and detached garage in Woodbine.
In Delaware, homes in Newark and Glasgow were damaged and numerous trees were downed. A National Weather Service team may investigate as early as Tuesday whether a tornado struck in the Newark area.