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Transcript of Hurricanes
A hurricane is a very big storm. It can be up to 600 miles across and have strong winds at speeds of 75 to 200 mph. Hurricanes usually last for over a week, sometimes moving 10-20 miles per hour over the ocean. It is also has
What are Hurricanes?
What are Hurricanes
What is a Hurricane?
The eye of a hurricane is a calm center. It is caused by dry, cool air pulled down from above. Around the eye is the eye wall, the most intense part of the storm. The warm, wet air that rushes to the center of a hurricane is pulled upward in the eye wall. As the air travels up, it causes low pressure at the surface. This pulls in more air. The water vapor that is being pulled upward condenses into rain, releasing heat that strengthens the storm. Heat and moisture from below increase the energy of both the upward moving and the downward-moving air.
How hurricanes are named
How a hurricane forms
Every hurricane is unique and special in its own way, that is why scientists give the storms special names. They give them names by alphabetical order, by the letter after the first letter of the last hurricane. Hurricanes that form in the North Pacific Ocean, the North Atlantic Ocean and the South Pacific Ocean is called a hurricane, and a tropical cyclone in the Northwest Pacific Ocean is called a typhoon.
Can people track Hurricanes?
Here are some of the top 10 hurricanes:
1. Galveston Hurricane, Year: 1900, U.S. Deaths: 6,000-12,000
2. San Felipe-Okeechobee Hurricane, Year: 1928, U.S. Deaths: 1,836
3. Atlantic-Gulf Hurricane, Year: 1919, U.S. Deaths: 600-900
4. New England Hurricane, Year: 1938, U.S. Deaths: 600
5. Florida Keys Labor Day Hurricane, Year: 1935, U.S. Deaths: 408
6. Hurricane Audrey, Year: 1957, U.S. Deaths: 390
7. Great Atlantic Hurricane, Year: 1944, U.S. Deaths: 390
8. Great Miami Hurricane, Year: 1926, U.S. Deaths: 373
9. The Grand Isle Hurricane, Year: 1909, U.S. Deaths: 350
10. Galveston and New Orleans Hurricanes Year: 1915, U.S. Deaths: 275 each
A hurricane might start as a low-pressure area over the Atlantic Ocean off the coast of Africa. The storm is first called a tropical depression, because the air pressure is low, or depressed. As winds blow into the low-pressure area, Earth's rotation causes them to rotate, or spiral, around that area.
Meteorologists can track Hurricanes from the time they form. Satellites are constantly taking pictures of any weather disturbances. When the Hurricanes comes closer to land, special wether radars track it.
Hurricane Andrew, August 1992
The eye of a hurricane
BY: Karis, Grace , Tess, Amna, and Alli