NEW : 33 Tennessee counties are under a tornado warning , National Weather Service says . NEW : 33 counties in Arkansas are under a tornado watch , weather service says . NEW : Dean said more than 50 water rescues had been conducted Saturday , and more were under way . At least 5 people have been killed in severe flooding in central Tennessee . 6-10 inches of rain has fallen in Sunday morning in Tennessee area .
NEW : 33 Tennessee counties are under a tornado warning , National Weather Service says . NEW : 33 counties in Arkansas are under a tornado watch , weather service says . NEW : At least 5 people have been killed in severe flooding in central Tennessee . 6-10 inches of rain has fallen in Sunday morning in Tennessee area .