Complex sentence: The tornado continued through rural areas northeast of town and remained intense as it moved into Itawamba County, though it began to weaken as it downed numerous trees and power lines and caused roof damage to a house before exiting the county.
Split into simpler sentences: The tornado continued through rural areas northeast of town and remained intense as it moved into Itawamba County. It began to weaken as it downed numerous trees and power lines and caused roof damage to a house before exiting the county.