Complex sentence: Even though it had weakened to a depression and was well inland, Cindy's effects were still felt; some parts of Atlanta Motor Speedway and Tara Field airport in Hampton, Georgia suffered severe damage from an F2 tornado spawned by the storm.
Split into simpler sentences: Even though it had weakened to a depression when it moved inland, Cindy's effects were still significant across the final portion of its track. Some parts of Atlanta Motor Speedway and Tara Field airport in Hampton, Georgia suffered severe damage from an F2 tornado spawned by the storm.