The main tower that this was built around was still called the Keep and it was usually the tallest and strongest structure in the castle. It was also used as the last line of defense during siege or attack. Machicolations-The openings between the corbels of a parapet.astion: A tower or turret projecting from a wall or at the junction of two walls. Battlements: These are the structures at the tops of the walls surrounding a castle. Picture what you have seen in the movies where archers are at the top of the wall and firing arrows between open slots down on the attackers.
2012 Tornado and Severe Weather Awareness Drill Scheduled for Thursday April 19, 2012 There are two new and important changes to the 2012 Tornado Drill.his is an historic first in Wisconsin. The tornado warning at 1:45pm will last about one minute on radio and TV stations across Wisconsin. (The drill will also occur at the same time in Minnesota and will be broadcast on radio and TV stations in that state as well).
F5: Incredible tornado (261-318 mph). Incredible damage. About 70 percent of tornadoes are weak and last between one and 10 minutes. About 10 percent of tornadoes are strong and last 20 minutes or more. Only two percent of tornadoes are considered violent. Violent tornadoes cause the most deaths and can last for well over an hour.