catastrophic events. what is this a picture of? hurricane
TRANSCRIPT
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Catastrophic Events
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What is this a picture of?
HURRICANE
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What is this a picture of?
TORNADO
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Catastrophic Event…
• is a sudden, natural or man-made situation where change and destruction of the land may occur without prior knowledge or preparation
Example:
Tornado and Hurricanes
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THINK – PAIR - SHARE
Take 1 minute with a partner and list as many natural
disasters/catastrophic event that occur on this planet.
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Natural Disasters/Catastrophic Event…
• Tsunami• Earthquake• Flood• Mud Slide• Blizzard/Ice Storm• Hurricane *• Tornado *
• Monsoon• Forest Fire• Landslide• Warm-up: Choose
3 of these natural disasters and define them.
* = focus on
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Hurricanes and their effects…
• What is a hurricane?– Severe thunderstorm with high winds (above
120 mph)
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Hurricanes 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.
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Cause 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).
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Cause 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.
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Beach Erosion…
• moves weathered rocks and soil from one place to another
• it can move slowly or quickly
A car is submerged in sand after Hurricane Ike came through the area, September 17, 2008 in Gilchrist, Texas.
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After 5 years, what do you think will happen to the beach and the house?
The land wears away due to beach
erosion
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Using the terms, hurricane and beach erosion, describe what you think will happen to this area after a hurricane.
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Galveston – After Hurricane Ike
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Tornados
• What is a tornado?– column of swirling wind; an extremely
destructive funnel-shaped rotating column of air
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Tornadoes cause…
• Destruction to buildings, bridges and anything in the tornadoes path
• death • flooding • hail damage • wind damage (can
reach 140 mph)
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1. Look at the picture of Galveston above, what do you think will happen to this land if another hurricane hits the Galveston coast?
EXIT TICKET (2 parts)
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This tornado is heading towards your town, what kind of disaster could this cause? How could you warn people this was coming?