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Weather!
Term | Definition |
---|---|
Atmosphere | A mixture of gases that surrounds a planet or moon |
Air pressure | The measure of the force with which air molecules push on a surface. |
Wind ð¨ | The movement of air causes by difference in air pressure ð¨ |
The Coriolis effect | The Coriolis effect in the northern hemisphere causes winds to look like they are curving west or east |
Land breeze | Warm air rises, this causes air pressure. At night it gets colder and moves towards the ocean. This is a Land Breeze. |
Sea breeze | The cold air flows to the land, this is a sea breeze. |
Air mass | |
A large body of air where temperature and moisture are similar throughout. | |
Continental | Forms over land; dry |
Maritime | Forms over water; wet |
Tropical | Develops over the tropics; warm. |
Polar | Forms over the polar regions; cold. |
Warm Front | A warm front forms when warm air moves over cold, denser air. |
Cold Front | A cold from forms when cold air moves under warm air. |
Occluded Front | A occluded Front occurs when a warm air mass is caught between two cold ones. |
Stationary Front | A stationary front forms when a cold air mass meets a warm one. |
Hurricane | A severe storm that develops over tropical oceans and has very strong winds. |
Thunderstorm | A usually brief heavy storm that contains rain, winds, thunder and lightning |
Tornado | A destructive rotating column of air that has very high wind speeds. |
Lighting | A electric discharge that takes place between two oppositely charged surfaces. |
Greenhouse effect | Th warming of the surface and lower atmosphere of the earth. |
Polar easterlies | Winds that blow between 30 to 90 inches latitude prevailing from east to west in both hemispheres. |
Westerlies | Winds that blow between 30 to 60 inches latitude prevailing from east to west in both hemispheres. |
Trade winds | Winds that blow 30 inches latitude from the earths equator |