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How do Storms develop?.

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Presentation on theme: "How do Storms develop?."— Presentation transcript:

1 How do Storms develop?

2 Low pressure systems can develop into Tropical Storms, Hurricanes, and Winter Storms.
A ___________is a low-pressure system that ___________________. It has winds that blow at ____________________________________. A ____________ is a tropical low-pressure system with winds blowing at speeds of ________ per hour or more. ____________ are called typhoons or cyclones when they form over the _______ Ocean or the western _______________.

3 Formation of Hurricanes
Hurricanes form over warm ocean water. Waters are only warm enough near the ________________ _____________________________________. A hurricane begins as a tropical depression or low-pressure system over __________________. Naming: tropical depression - ___________- ____________ when wind reaches 74 mph. Tropical storms and hurricanes move westward with the tradewinds and will _____________ as long as it remains over ________________.

4 As the storms come closer to land, the storms can move north, south, or even back eastward.
As soon as a hurricane _________________ or over _____________, it loses its source of ____________. The winds _____________ and the _____________. If a hurricane moves over land, the rough surface reduces the _______________________.

5 What are the different parts of the hurricane?

6 What are the different parts of the hurricane?
The typical hurricane has 2 or 3 and sometimes more outer bands. These bands are comprised of cells resembling ordinary ______________ and can be up to ___________________________. The outer bands are generally _____________ apart and come in advance of the __________ shield.

7 The ____________ is an organized band of _____________ that immediately __________ the center or eye of a hurricane. It's generally around _____________ and typically contains the ______________ and ________________________.

8 The _____ is a __________________________.
After the eye's passage, the violent wind howls in the ______________ to what it was right before the eye moved over and the heavy ______________________. The average hurricane eye ___________ is a little _____________. When the eye is ___________ in size, the hurricane is ___________.

9 Effects of Hurricanes Hurricanes may produce ___________. They also have __________. When a hurricane moves into coastal area, it often pushes a huge mass of ocean water known as a ______ ___________. In a storm surge, sea level rises and ________________.


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