The list author says: "This list is a continuation from Disaster Movies (1933-1976), Disaster Movies (1976-1990), Disaster Movies (1990-2001) and Disaster Movies (2001-2008). This list continues on Disaster Movies (2013-2014)."
"Sharknado (2013). A waterspout scoops up ocean water and the sharks in it, becoming a tornado on land and releasing hungry sharks at people. Sequel: Sharknado 2: The Second One to be broadcast on SyFy channel, July 30, 2014, 9:00pm. Sharknado 3 (2015) is in development."