4Catastrophic Event…is a sudden, natural or man-made situation where change and destruction of the land may occur without prior knowledge or preparationExample:Tornado and Hurricanes
5THINK – PAIR - SHARETake 1 minute with a partner and list as many natural disasters/catastrophic event that occur on this planet.
6Natural Disasters/Catastrophic Event… TsunamiEarthquakeFloodMud SlideBlizzard/Ice StormHurricane *Tornado *MonsoonForest FireLandslideWarm-up: Choose 3 of these natural disasters and define them.* = focus on
7Hurricanes and their effects… What is a hurricane?Severe thunderstorm with high winds (above 120 mph)
8Hurricanes cause…Storm surge and tidal flooding--Storm surge is the rising wall of water that comes ashore with a land falling hurricane, and is responsible for 90 percent of all hurricane related deaths.
9Cause cont…High Winds-- it determines how powerful the storm is, and how much storm surge and damage it can cause (can reach up to 200 mph).
10Cause cont…Heavy rain and flooding--After hurricanes make landfall, and their winds slow down, the amount of rainfall becomes a major factor, and can cause significant flooding.
11Beach Erosion…moves weathered rocks and soil from one place to anotherit can move slowly or quicklyA car is submerged in sand after Hurricane Ike came through the area, September 17, 2008 in Gilchrist, Texas.
12The land wears away due to beach erosion After 5 years, what do you think will happen to the beach and the house?The land wears away due to beach erosion
13Using the terms, hurricane and beach erosion, describe what you think will happen to this area after a hurricane.