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ch 17 & 18.1
Question | Answer |
---|---|
Huge body of air that has similar temperature,pressure,and humidity throughout | air mass |
warm air mass that form in tropics and has low air pressure. | tropical |
cold air masses that form north of 50 degrees north latitude and south of 50 degrees south latitude | polar |
air masses that form over oceans | maritime |
the area where air masses meet and do not mix | front |
dry air masses that form over land | continental |
a warm air mass that is cut-off from the ground | occluded |
a swirling center of low air pressure | cyclones |
high-pressure centers of dry air | anticyclones |
a violent disturbance in the air | 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 | tornado |
a tropical storm that has winds up to 119km per hour or higher | hurricane |
a dome of water that sweeps across the coast where a hurricane lands | storm surge |
to move away temporarily | evacuate |
a sudden violent flood that occurs within a few hours,or even minutes of a heavy rainstorm | flash flood |
scientists who study the causes of weather and try to predict it | meteorologist |
an abnormal climate event that happens every 2 to 7 years in the Pacific Ocean | 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 temp., precipitation, winds, and clouds in an area | climate |
the side of mountains that faces the oncoming wind | windward |
the downwind side of mountains | leeward |