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CHAPTER 20 vocab

Published on Nov 22, 2015

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PRESENTATION OUTLINE

AIR MASS
immense body of air that is characterized by similar temperatures and amounts at any given altitude

Photo by jhoweaa

FRONT
when two air masses meet

Photo by davedehetre

WARM FRONT
when warm air moves into an area formerly covered by cooler air

Photo by paul bica

COLD FRONT
forms when cold, dense air moves into a region occupied by warmer air

Photo by alf07 °,°

STATIONARY FRONT
the surface position of the front does not move, and a stationary front forms

OCCLUDED FRONT
when an active cold front overtakes a warm front

Photo by Dru!

THUNDERSTORM
a storm that generates lightning and thunder

Photo by cdw9

TORNADO
violent windstorms that take the form of a rotating column of air called a vortex

Photo by minnepixel

HURRICANE
whirling tropical cyclones that produce winds of at least 119 kilometers per hour

EYE WALL
doughnut-shaped wall that surrounds the center of the storm

EYE
at the very center of the storm

STORM SURGE
a dome of water about 65 to 80 kilometers wide that sweeps across the coast where a hurricane's eye moves onto land