Storm Helene tore roofing material off a building and downed trees at Fort Stewart Army Base in Georgia, video filmed and released by DVIDS on September 27 shows.Footage from the post, located around 45 miles southwest of Savannah in southeastern Georgia, shows snapped and uprooted trees - some of which had fallen onto buildings - and a large swath of roofing material crumpled on the ground.Helene made landfall in north Florida late on Thursday, causing catastrophic damage and flooding. Helene was downgraded to a tropical storm shortly after moving inland. Credit: DVIDS via Storyful