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chapter 17 vocab
Question | Answer |
---|---|
a huge body of air that has simailar tempurature, humidity and pressure 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 |
the area where air mass meet and does not meet | front |
a dry air mass that forms over land | contienental |
cut off, as the warm air mass at an occluded 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 | anti-cyclones |
scientist who study causes of weather and try to predict it | meterolgist |
an abnormal climate event that occurs every 2 to 7 years in pacific icean causing changes in wind, weather patterns, current that can lead to dramatic lead changes, | El nino |
Lines on a map joining places that have the same air pressure. | isobar |
Lines on a map joining places that have the same temperature. | isotherm |
The average, year-after-year conditions of temperature, precipitation, winds, and clouds in an area. | climate |
The side of mountains that faces the oncoming wind. | windward |
the downside side of mountain | leeward |
A violent disturbance in the atmosphere. | storm |
A sudden spark, or energy discharge, caused when electrical charges jump between parts of a cloud or between a cloud and the ground. | lightning |
A rapidly whirling, funnel-shaped cloud that reaches down from a storm cloud to touch Earth's surface, usually leaving a destructive path. | tornado |
A tropical storm that has winds of 119 kilometers per hour or higher; typically about 600 kilometers across. | hurricane |
A dome of water that sweeps across the coast where a hurricane lands. | storm surge |
to move away temporially | evacute |
A sudden, violent flood that occurs within a few hours, or even minutes, of a heavy rainstorm. | flash flood |