"It just started raining debris,” Van Horn said.
Foster said that while he saw a lot of debris on the ground, there’s also a lot that’s "getting picked up and pulled up into the storm.”
One of the things Foster and Rick Smith, warning coordination meteorologist with the National Weather Service, noticed was that the roofs were missing on four houses they looked at in Lone Grove. That’s not unusual, Foster said.
What is unusual is that Foster and Smith walked several hundreds yards downstream in the debris field at three of the four houses and found no pieces of the roofs.
"It gets lofted up to very high levels and then it gets continuously sort of centrifuged out and thrown out off of the left side of the storm,” Foster said.
"When it gets up into the mid-parts of the storm it’s getting into winds that are far faster than what the speed of the storm is.”