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Types of Storms. Hurricanes. What is a Hurricane and how do they form?. Hurricane: a tropical storm that has winds about 119km/hour (73.9 mph) or higher Form over warm ocean water as a low pressure or tropical disturbance
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Types of Storms Hurricanes
What is a Hurricane and how do they form? Hurricane: a tropical storm that has winds about 119km/hour (73.9 mph) or higher • Form over warm ocean water as a low pressure or tropical disturbance • As it grows in size and strength, it upgrades from a Tropical disturbance Tropical Storm Hurricane • Forms in the Atlantic, Pacific, and Indian Oceans • In the Western Pacific, hurricanes are called typhoons
Eyewall vs. Eye Eyewall: narrow band of winds and clouds around the center of the storm • Considered the most deadly area of a hurricane • Produces deadly winds more than 150 mph Eye: considered the center of the storm • Calm area • After passing through the eye, the storm will resume, but the winds blow in the OPPOSITE direction
How do Hurricanes move? http://www.nhc.noaa.gov/outreach/games/movncane.htm http://profhorn.aos.wisc.edu/wxwise/hurr/hurr.html
Damage • Damaged caused by storm surges Storm surge: a dome of water that sweeps across the coast when the hurricane makes landfall: can be up to 6 meters (20 feet) high Damages include: washing away beaches, destroy home and buildings, and erode the coastline
Storms video: National Geographic https://www.youtube.com/watch?v=2HP5DhDFODg