How   Cyclones   Are   Formed? By Natalie B
What are the “ingredients” of a cyclone? <ul><li>Cyclones are formed from thunderstorms, however, the thunderstorms can on...
How the “ingredients” need to be for a cyclone? <ul><li>The ocean water itself must be warmer than 26.5 °C. The heat and m...
What will happen if the cyclone doesn’t get it’s “ingredients”? <ul><li>Cyclones will weaken rapidly when they travel over...
Cold-Core Cyclones <ul><li>Cold-core cyclones (most cyclone varieties) form due to the nearby presence of an upper level t...
Warm-core Cyclones <ul><li>Warm-core cyclones (such as tropical cyclones and many mesocyclones) can have their initial sta...
Types of Cyclones <ul><li>There are six types of cyclones: Polar cyclone; Polar low; Extra tropical; Subtropical; Tropical...
Credits <ul><li>All photos from  http:// images.google.com.au/images?hl=en&q=cyclone&gbv=2 </li></ul><ul><li>Info from  ht...
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How Cyclones Are Formed

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How Cyclones Are Formed

  1. 1. How Cyclones Are Formed? By Natalie B
  2. 2. What are the “ingredients” of a cyclone? <ul><li>Cyclones are formed from thunderstorms, however, the thunderstorms can only grow to cyclone strength with cooperation from the ocean AND the atmosphere. </li></ul>
  3. 3. How the “ingredients” need to be for a cyclone? <ul><li>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. </li></ul>
  4. 4. What will happen if the cyclone doesn’t get it’s “ingredients”? <ul><li>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. </li></ul>
  5. 5. Cold-Core Cyclones <ul><li>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. </li></ul>
  6. 6. Warm-core Cyclones <ul><li>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. </li></ul>
  7. 7. Types of Cyclones <ul><li>There are six types of cyclones: Polar cyclone; Polar low; Extra tropical; Subtropical; Tropical or Mesoscale. </li></ul>
  8. 8. Credits <ul><li>All photos from http:// images.google.com.au/images?hl=en&q=cyclone&gbv=2 </li></ul><ul><li>Info from http://en.wikipedia.org/wiki/Tropical_Cyclone </li></ul><ul><li>http:// www.reference.com/search?q=cyclone </li></ul>

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