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Wheather Vocab
Meteorology, Wheather, Wheather Patterns, Climate, Tempature, Atmosphere, Air Mass, Air Presure, High Presure (air), Low Presure(air), Barometric Presure, Density, Sea Breeze, & Land Breeze
32
Science
6th Grade
01/09/2012

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Term
Meteorology
Definition
The scientific study of the atmosphere and of atmospheric conditions, especially as they relate to weather and weather forecasting.
Term
Weather
Definition
The state of the atmosphere at a particular time and place.
Term
Weather Patterns
Definition
The repeating of weather
Term
Climate
Definition
The general or average weather conditions of a certain region, including temperature, rainfall, and wind
Term
Temerpature
Definition
A measure of the ability of a substance, or more generally of any physical system, to transfer heat energy to another physical system.
Term
Atmosphere
Definition
The mixture of gases surrounding the Earth or other celestial body, held in place by gravity.
Term
Air Mass
Definition
A widespread body of air that originates over a large area of land or ocean and assumes the temperature and humidity of that area, with characteristics distributed fairly evenly throughout the horizontal layers of the mass
Term
Air Pressure
Definition
the force exerted by air, whether compressed or unconfined, on any surface in contact with it.
Term
High Pressure
Definition

An area of relative pressure maximum that has diverging winds and a rotation opposite to the earth's rotation.

(cold or cool air)

Term
Low Pressure
Definition

An area of a relative pressure minimum that has converging winds and rotates in the same direction as the earth. This is counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere.

(warm or mild)

 

Term
Barometric Presure
Definition
The pressure exerted by the atmosphere at a given point as exerted by a barometer
Term
Density
Definition
The ratio of the mass of a substance to the volume it occupies.
Term
Sea Breeze
Definition
A breeze that blows onshore, from the sea to the land.
Term
Land Breeze
Definition
A breeze that blows offshore, from the land to the sea.
Term
heat
Definition
A form of thermal energy transferred between two systems by virtue of a difference in temperature.
Term
front
Definition
The transition zone or interface between two air masses of different densities, which usually means different temperatures.
Term
wind system
Definition
areas of high and low pressure, in which the winds are a response in an attempt to equalize the pressure differences.
Term
weather event
Definition
major things that happen in weather
Term
tornado
Definition
A violently rotating column of air, reaching down from a cumulonimbus cloud and touching the ground.
Term
hurricane
Definition
The name for a tropical cyclone with sustained winds of 74 miles per hour (65 knots) or greater in the North Atlantic Ocean, Caribbean Sea, Gulf of Mexico, and in the eastern North Pacific Ocean.
Term
thunderstom
Definition
Produced by a cumulonimbus cloud, it is a storm of relatively short duration characterized by thunder, lightning, gusty surface winds, turbulence, hail, icing, precipitation, moderate to extreme up and downdrafts, and under the most severe conditions, tornadoes.
Term
moisture
Definition
Refers to the water vapor content in the atmosphere, or the total water, liquid, solid or vapor, in a given volume of air.
Term
absoption
Definition
Term
reflection
Definition
The bending of light or radar beam as it passes through a zone of contrasting properties, such as atmospheric density, water vapor, or temperature.
Term
CLOUD
Definition
A visible collection of minute particle matter, such as water droplets and/or ice crystals, in the free air.
Term
cloud formation
Definition
evaporated water condenses and turns in to a cloud
Term
weather forcast
Definition
info of how the weather will turn out
Term
prediction
Definition
an estimated guess of what is going to happen with the weather forecast based on past expierience or data
Term
weather map
Definition
a map or chart showing weather conditions over a wide area at a particular time
Term
atmospheric conditions
Definition
the atmospheric conditions that comprise the state of the atmosphere in terms of temperature and wind and clouds and precipitation
Term
El Nino
Definition
The cyclical warming of East Pacific Ocean sea water temperatures off the western coast of South America that can result in significant changes in weather patterns in the United States and elsewhere.
Term
coriolis effect
Definition
A force per unit mass that arises solely from the earth's in rotation, acting as a deflecting force in relation to the curving of the earth
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