EARTHSC 2GG3 Lecture Notes - Lecture 12: Landfall, Hurricane Andrew, Freezing Rain
15 Apr 2016
School
Department
Course
Professor
Document Summary
Tropical cyclones: these form over warm water at laitudes 5-20deg, include tropical depressions, tropical storms and hurricanes, high winds, heavy rain and storm surges. Extratropical cyclones: form over land or water in temperate regions at laitudes 30-70deg, associated with fronts and called mid-laitude cyclones, contain rain, snow, freezing rain. Topical disturbance: large area of low pressure with unsetled weather. Tropical storm: organized area of storms with winds of 65-119km/h. Hurricane: area of low pressure with wind at least 120km/h. Referred to by diferent names in diferent parts of the world. Require a water temperature of at least 26deg. Eye: region in the centre with light winds and clear to partly cloudy skies. Eyewall: ring of intense thunderstorms that whirl directly around the eye. Spiral rain bands: ring of tall clouds and heavy rain that exist throughout the hurricane. Alternaing male and female names are used in alphabeical order (5 leters skipped quxyz)
