Hurricane Heat Engine

By: Anjali Patel and Neha Jomon

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Hurricanes form around the equator. This is because there is more direct sunlight on the equator than anywhere else on Earth. Hurricanes can only form in warm, moist air. 150 feet below the ocean surface need to be around 80 degrees Fahrenheit and the lower atmosphere must be warm and moist. Incoming warm winds push upward in the lower atmosphere. Anything below 74 mph is called a tropical storm, anything above is a hurricane. Hurricanes are categorized by number, there are 5 category hurricanes. Category 1,2,3,4, and 5.

The 2005 Hurricane season started on June 1st and ended on November 30th. There were about 3,913 people who died because some of the most famous hurricanes like Hurricane Katrina and Rita. There was a record for 27 of the greatest storms.

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1. An attention getting opening statement or picture/diagram.

2. Brief overview of the 2005 Atlantic hurricane season (Here are some other resources if the NOAA site remains unavailable: Weather Channel, CNN, and

2. Explanation of where hurricanes occur.

3. Description of how hurricanes develop - 1 picture required here

4. Information of how hurricanes are categorized.

5. The purpose of the activity. (simply copy/paste the purpose above)

Team Member #1

On the first day of the hurricane, September 20, the warmest water was around the hurricane. On September 20-27, the warmest waters followed the hurricane as it moved onto land. After the hurricane hit land, the ocean waters soon became cooler.

Team Member #2

For a very immense time the temperature dropped drastically then slowly worked it's way back up. It went from about a little over 25.5 all the way back up to a little over 28.5. After the hurricane passed the temperature never went back as high as it it did before the hurricane hit. This was almost over 30.

Question 1

When the extratropical transitions are complete, the storm has been continued without interruption. This will take away from the environmental wind. This happens instead of extracting heat energy from the oceans.When a tropical depression is soon changing to a mature hurricane, it requires the hurricane to extract heat energy from the ocean. For this reason, hurricanes do not occur over land but in sea surface temperatures.

Question 2

As the hurricane moved onto land, the Sea Surface Temperature became cooler. The warm water was always around the hurricane and the warm water always followed it.
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