Tornado damages mobile home; trees down in Oak Grove Heights National Weather Service in Memphis confirms storm damage in Oak Grove Heights was caused by an EF-0 tornado. Tornado damages mobile home; trees down in Oak Grove Heights By Monae Stevens | May 5, 2021 at 10:41 PM CDT - Updated May 5 at 11:13 PM OAK GROVE HEIGHTS, Ark. (KAIT) - An EF-0 tornado was confirmed as the cause of the damaged mobile home and several uprooted trees in Oak Grove Heights during Tuesday morning’s severe weather. The path of the tornado started on Highway 34 West, where the mobile home was located, and then went across Highway 135 near the eastern portion of town.