How Cyclones Are Formed

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Information about How Cyclones Are Formed

Published on April 11, 2008

Author: allstars

Source: slideshare.net

How Cyclones Are Formed? By Natalie B

What are the “ingredients” of a cyclone? Cyclones are formed from thunderstorms, however, the thunderstorms can only grow to cyclone strength with cooperation from the ocean AND the atmosphere.

Cyclones are formed from thunderstorms, however, the thunderstorms can only grow to cyclone strength with cooperation from the ocean AND the atmosphere.

How the “ingredients” need to be for a cyclone? The ocean water itself must be warmer than 26.5 °C. The heat and moisture from this warm water is ultimately the source of energy for cyclones.

The ocean water itself must be warmer than 26.5 °C. The heat and moisture from this warm water is ultimately the source of energy for cyclones.

What will happen if the cyclone doesn’t get it’s “ingredients”? Cyclones will weaken rapidly when they travel over land or colder ocean waters - locations where the heat and/or moisture sources are rare or do not exist.

Cyclones will weaken rapidly when they travel over land or colder ocean waters - locations where the heat and/or moisture sources are rare or do not exist.

Cold-Core Cyclones Cold-core cyclones (most cyclone varieties) form due to the nearby presence of an upper level trough, which increases divergence over an area that induces upward motion and surface low pressure.

Cold-core cyclones (most cyclone varieties) form due to the nearby presence of an upper level trough, which increases divergence over an area that induces upward motion and surface low pressure.

Warm-core Cyclones Warm-core cyclones (such as tropical cyclones and many mesocyclones) can have their initial start due to a nearby upper trough, but formation of the initial disturbance, depend upon a storm-relative upper level high to maintain or increase their length.

Warm-core cyclones (such as tropical cyclones and many mesocyclones) can have their initial start due to a nearby upper trough, but formation of the initial disturbance, depend upon a storm-relative upper level high to maintain or increase their length.

Types of Cyclones There are six types of cyclones: Polar cyclone; Polar low; Extra tropical; Subtropical; Tropical or Mesoscale.

There are six types of cyclones: Polar cyclone; Polar low; Extra tropical; Subtropical; Tropical or Mesoscale.

Credits All photos from http:// images.google.com.au/images?hl=en&q=cyclone&gbv=2 Info from http://en.wikipedia.org/wiki/Tropical_Cyclone http:// www.reference.com/search?q=cyclone

All photos from http:// images.google.com.au/images?hl=en&q=cyclone&gbv=2

Info from http://en.wikipedia.org/wiki/Tropical_Cyclone

http:// www.reference.com/search?q=cyclone

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