What Exactly Is a Hurricane? A hurricane can best be described as a huge tropical storm (up to 600 miles in diameter)!

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Presentation transcript:

What Exactly Is a Hurricane? A hurricane can best be described as a huge tropical storm (up to 600 miles in diameter)! Winds can be up to 200 mph! Storm usually doesn’t last for more than 7-10 days. It moves across the ocean at around mph…not too fast really! The winds are the strongest around the eye wall. The eye of the storm is usually about 20 miles in diameter. Within the eye, winds are calm and the weather is great. Strongest winds are on the right side, heaviest rain is usually on the left side. Arrows indicate “feeder bands” or “rain bands”

What Does a Hurricane Need in Order to Develop? A hurricane needs warm water, time to grow, and favorable upper level winds in the troposphere. If the winds are too strong, they will blow the hurricane apart – we call that wind shear!

Saffir-Simpson Hurricane Scale Category Wind speed (mph) Storm surge (feet) 5156 More than –15513– –1309–12 296–1106–8 174–954–5 Additional classifications Tropical storm39–730–3 Tropical depression0–380 How do they measure hurricanes’ strength?

7 th Grade TEKS (8) Earth and space. The student knows that natural events and human activity can impact Earth systems. The student is expected to: (A) predict and describe how different types of catastrophic events impact ecosystems such as floods, hurricanes, or tornadoes; 8 th Grade TEKS (10) Earth and space. The student knows that climatic interactions exist among Earth, ocean, and weather systems. The student is expected to: (C) identify the role of the oceans in the formation of weather systems such as hurricanes.

Keep Track of the Hurricane If you know how, try to keep track of the hurricane. You can see it on the internet (if you are away from the storm) or listen to a radio and download a hurricane tracking chart.hurricane tracking chart. When a hurricane forms, you can follow its course by listening to the news on the radio and you can plot it on the chart.

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