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Meteorology
| Term | Definition |
|---|---|
| Atmospheric Pressure(air pressure) | The force per unit area that is exerted on a surface by the weight of the atmosphere. |
| Barometer | An instrument that measures atmospheric pressure. |
| Altitude | The height of an object or point in relation to sea level or ground level. |
| Greenhouse Effect | The process by which gases are trapped and hold heat in the atmosphere like a blanket wrapped around Earth. |
| Anemometer | An instrument used to measure wind speed. |
| Air Mass | A large body of air through out which temperature and moisture content are similar. |
| Continental Polar | A cold air mass that forms over land and that has low humidity. |
| Continental Tropical | A warm air mass that forms over land and that has low humidity. |
| Maritime Polar | A cold air mass that has high humidity as a result of passing over warmer water. |
| Maritime Tropical | A warm and humid air mass that typically forms over tropical oceans. |
| Continental Arctic | Brings extremely cold temperatures with very little moisture, originate north of the arctic circle in winter. |
| Warm Front | The front edge of an advancing warm air mass that replaces colder air with warmer air. |
| Cold Front | The front edge of a moving mass of cold air that pushes beneath a warmer air mass like a wedge. |
| Stationary Front | A front air masses that moves either very slowly or not at all. |
| Occluded Front | A front that forms when a cold air mass overtakes a warm air mass and lifts the warm air mass off the ground and over another air mass. |
| Weather Forecast | A forecast characterizing the state of the atmosphere at a given time. |
| Meteorologist | Meteorologists are scientists who study the atmosphere. They examine its effects on the environment, predict the weather, or investigate climate trends. |
| Cumulus Cloud | A low-level, billowy cloud that commonly has top that resembles cotton balls and a dark bottom. |
| Cirrus Cloud | A feathery cloud that is composed of ice crystals and that has the highest altitude of any cloud in the sky. |
| Stratus Cloud | A gray cloud that has a flat, uniform base and that commonly forms at very low altitudes. |
| Global Winds | Winds that blow steadily from specific directions over long distances. |
| Coriolis Effect | The curving of the path of a moving object from an otherwise straight path due to the Earth's rotation. |
| Local Winds | Winds that blow over short distances. |
| Land Breeze | Flow or air from land to a body of water. |
| Sea Breeze | Winds that blow from an ocean or lake onto land. |
| Thunderstorm | A usually brief, heavy storm that consists of rain, strong winds, lightning, and thunder. |
| Hurricane | a storm with a violent wind, in particular a tropical cyclone in the Caribbean. |
| Tornado | A destructive, rotating column of air that has very high wind speeds and that may be visible as a funnel-shaped cloud. |
| Water Spout | A tornado that occurs over a water surface. |
| Lightning | the occurrence of a natural electrical discharge of very short duration and high voltage between a cloud and the ground or within a cloud, accompanied by a bright flash and typically also thunder. |
| Blizzard | a severe snowstorm with high winds and low visibility. |
| Flood | an overflowing of a large amount of water beyond its normal confines, especially over what is normally dry land. |
Created by:
mayawbee
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