EPSC 185 Lecture Notes - Maximum Sustained Wind, Thunderstorm, Northern Hemisphere

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Eyewall: cloud with winds blowing upwards; strength of winds blowing latent heat release is important upwards is proportional to the strength of the hurricane tropical cyclones always form over tropical oceans. Hurricane maximum sustained winds read 120 km/h; pronounced rotation develops around central core; large bands of clouds & precipitation spiral from eyewall (called spiral rain bands) The eyewall: ring of tall thunderstorms that produce heavy rains & strongest winds. Changes in structure of eye & eyewall can cause changes in wind speed the eye can grow/shrink in size & double (concentric) eyewalls can form. Areas to the right of the eye are much more vulnerable since storm surge is greater. North american uses alternating female/male names & english, french & Spanish names there are 5 categories on the saffir-simpson intensity scale based on winds. Hurricane sandy was only category 1, but size of it caused lots of damage.

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