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climate and weathers
Question | Answer |
---|---|
Air Mass | A huge body of air that has similar temperature, pressure, and humidity throughout. |
Tropical | A warm air mass that forms in the tropics and has low air pressure. |
Polar | A cold air mass that forms north of 50 north latitude or south of 50 south latitude and has high air pressure. |
Maritime | A humid air mass that forms over ocean. |
Front | The area where air mass that forms over land. |
Continental | A dry air mass that forms over land. |
Occluded | Cut off, as the air mass at an occluded front is cut off from the ground by cooler air beneath it. |
Cyclones | A swirling center of low air pressure. |
anticyclones | A high-pressure center of dry air. |
storm | A violent disturbance in the atmosphere. |
lightning | A sudden spark, or energy discharge, caused when electrical charges jump between parts of four spheres into which scientist divide earth. |
tornado | A rapidly whirling funnel-shaped cloud that reaches down from a storm cloud to touch earth's surface, usually leaving a destructive path. |
hurricane | A tropical storm that has winds of 119km per hour or higher; typically about 600km across. |
storm surge | A dome of water that sweeps across the coast where a hurricane lands. |
evacuate | To move away temporarily |
flash flood | A sudden, violent flood that occurs within a few hours, or even minutes, of a heavy rainstorm |
meteorologist | Scientists who study the causes of weather and try to predict it. |
El Nino | An abnormal climate event that occurs every 2 to 7 years in the Pacific Ocean, causing changes in winds, currents, and weather patterns that can lead to dramatic climate changes. |
isobar | Lines on a map joining places that have the same air pressure. |
isotherm | Lines on a map joining places that have the same temperature. |
climate | The average, year-after-year conditions of temperature, precipitation, winds, and clouds in an area. |
windward | The side of mountains that faces the on coming wind. |
leeward | The downwind side of mountains. |