Meteorology Study Guide – Flashcards
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What is weather?
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The condition of the Earths atmosphere at a particular time and place.
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Order the layers of the atmosphere
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Troposphere, stratosphere, Mesoshere, Thermoshere
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What is the basic division of the layers?
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The pauses which are temperature differences
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What happens in each layer of the atmosphere?
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Troposphere- weather Stratosphere-
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How do winds form?
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Unequal heating of the earths atmosphere
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The two items that characterise air masses.
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Temperature and humidity
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What gas drives storm systems?
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Water vapor
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What is a front?
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The boundary between two air masses
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Cold front
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Cold air moves into warmer air, rain cool temps thunderstorms
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Stationary front
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Neither air mass moves clouds and little rain
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Occluded front weather
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Warm air cought between cold air cloudy and rainy
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What is humidity?
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specific humidity
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Amount of water vapor in the air
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Three states of matter
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Liquid, solid, gad
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What is dew point?
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The point when saturation occurs
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What is air pressure?
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Weight of all the air in the atmosphere pressing down on Earth
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Why doea air have pressure?
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Air has mass
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As altitude increases, air pressure...
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Decreases
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Three ingredients for cloud formation
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Water vapor, cpndensation nuclei, cooling
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Types of clouds
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Cirrus, stratus, cumulus, cumulonimbus
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Types of fog
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Radiation fog and advection fog
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What two items describe climate?
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Temperature and precipitation
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Why is our atmosphere important?
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...
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What is the greenhouse effect and how does it work?
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Warm front
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Warm air moves into cold air little rain, clouds, warmer temps
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Relative humidity
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Actual amount of water vapor in the air compared to the max amount the temp of the air can hold
