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ch.17 and18 vocab

QuestionAnswer
a huge body of air that has simular temputure, pressure, and humidity throughout. air mass
a warm air mass that forms in the tropics and has low air pressure. tropical
a cold air mass that forms north of 50 degrees north latitude or south of 50 degrees south latitude and has high air pressure. polar
a humid air mass that forms over oceans maritime
area where air mass meet and do not mix front
dry air mass that forms over land. continental
cut off, as the warm air mass at an occuded front is cut off from the ground by cooler air beneath it. occluded
a swirling center of low air pressure. cyclones
a high-pressure center of dry air. anticyclones
violent disturbance in the atmosphere. storm
a sudden spark or energy dicharge as the charges jump between part of a cloud, between different clouds, or between the clouds and the ground. lightning
a tropical storm that has winds of 119 kilometers per hour or higher. A typical hurricane is about 600 kilometers across. hurricane
a “dome” of water that sweeps across the coast where the hurricane lands. storm surge
move away temporarily. evacuate
scientists who study the causes of weather and try to predict it. meteorologist
an abnormal climate event that occurs every 2 to7 years in the Pacific Ocean, causing changes in winds, currents, and weather patterns that can lead to dramatic climate changes. El Nino
lines on a map joining places that have the same pressure. isobar
lines on a map joining places that have the same tempurture. isotherm
rapidly whirling, funnel-shaped cloud that reaches down from a storm cloud to touch Earth's surface, usually leaving a destuctive path. tornado
sudden, violent, flod that occurs within a few hours or even minutes of a heavy rainstorm. flash flood
average year after year conditions of tempurture, precipitation, winds, and clouds, in an area. climate
side of mountains that faces oncoming wind. windward
down wind side of mountains. leeward
Created by: Rwright1
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