 We've got substantial flooding along the Gulf Coast. Mitch Thames of Matagorda County is pleading with the public. Please stay where you are. It is not safe to be on the road. In suburban Houston, meanwhile, one person died when a tree fell on a home. Headed into the midday, Beryl had knocked out power to two million homes and businesses. Jim Ryan, ABC News, Dallas. Beryl is now a tropical storm.