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en.wikipedia.org/wiki/Typhoons

Like any tropical cyclone, there are a few main requirements for typhoon formation and development: (1) sufficiently warm sea surface temperatures, (2) atmospheric instability, (3) high humidity in the lower to middle levels of the troposphere, (4) enough Coriolis effect to develop a low pressure center, (5) a pre-existing low level focus or ...

www.hurricanezone.net/articles/tropicalcycloneformation.html

Tropical Cyclone Formation. By Jonathan Edwards. Tropical Cyclone Genesis is the technical term for the process of storm formation that leads ultimately to what are called hurricanes, typhoons, or tropical cyclones in various parts of the world.. This occurs when, in the Northern Hemisphere, the Intertropical Convergence Zone, or ITCZ, shifts northward out of the doldrums and atmospheric ...

en.wikipedia.org/wiki/Tropical_cyclone

A hurricane or typhoon (sometimes simply referred to as a tropical cyclone, as opposed to a depression or storm) is a system with sustained winds of at least 64 kn (74 mph; 119 km/h; 33 m/s). A cyclone of this intensity tends to develop an eye, an area of relative calm (and lowest atmospheric pressure) at the center of circulation.

www.tropicalweather.net/what-causes-typhoons.html

Pre-Conditions for Typhoons Several atmospheric ingredients must come together to favor the formation of a typhoon. Since a typhoon is just another term for hurricane, the same conditions apply for both. There are perhaps seven atmospheric conditions which, if met, could cause a typhoon to form.

www.youtube.com/watch?v=I81_dHoc1tc

-- Created using PowToon -- Free sign up at http://www.powtoon.com/youtube/ -- Create animated videos and animated presentations for free. PowToon is a free ...

spaceplace.nasa.gov/hurricanes

Hurricanes are the most violent storms on Earth. People call these storms by other names, such as typhoons or cyclones, depending on where they occur. The scientific term for all these storms is tropical cyclone. Only tropical cyclones that form over the Atlantic Ocean or eastern Pacific Ocean are ...

www.theglobeandmail.com/news/world/explainer-how-are...

Parts of the Philippines are the scene of utter devastation and suffering in the wake of Typhoon Haiyan, believed to be the most powerful storm ever to hit the country. So how are typhoons formed ...

www.nhc.noaa.gov/climo

Tropical Cyclone formation regions with mean tracks (courtesy of the NWS JetStream Online School) Atlantic & Eastern Pacific Climatology. The Atlantic hurricane season runs from June 1st to November 30th, and the Eastern Pacific hurricane season runs from May 15th to November 30th.

www.reference.com/science/typhoon-form-f1856f09ac4550a3

Typhoons form in the tropical oceans when areas of high pressure rush toward areas of low pressure, which creates wind. When the storm begins to rotate and organize around an "eye" of low pressure, it is well on its way to becoming a typhoon. Storms are categorized as typhoons when they reach wind speeds of 74 miles per hour.

www.youtube.com/watch?v=_1jEI0iHHOM

Animation-Typhoon Guide podders79. Loading... Unsubscribe from podders79? ... 3.1.1.3 Causes of tropical storms and their formation and development - Duration: 6:40. Teachit again 2,864 views.