Air Masses, Tornados, and Hurricanes
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| cold, dry air mass coming from Canada | continental polar
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| bitterly cold, dry air mass coming from Alaska | Arctic
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| warm, dry air mass coming from Mexico | continental tropical
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| warm, moist air mass coming from the Gulf of Mexico | maritime tropical
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| warm, moist air mass coming from the southern region | maritime tropical
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| cold, moist air mass coming from the northern region | maritime polar
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| a large body of air that has properties similar to the part of the Earth's surface over which it develops | air mass
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| Where do moist air masses come from? | over water
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| Where do dry air masses come from? | over land
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| What type of weather comes from high pressure areas? | fair weather because the sinking motion of the air makes it difficult for air to rise and clouds to form
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| What type of weather comes from low pressure? | cloudy and stormy with strong winds
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| a boundary between two air masses of different density, moisture, and temperature | front
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| type of weather from a cold front | thunderstorms
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| type of weather from a warm front | long periods of gentle rain
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| front that forms when a warm air mass and a cold air mass meet and neither can move the other | stationary front
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| Cold air rapidly moves into a land area of warm air. What type of weather would most likely occur? | thunderstorm
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| front that causes thunderstorms | cold
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| front that is not moving and causes several days of rain | stationary
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| What does a hurricane gain strength from? | the heat and moisture of the warm ocean water
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| type of pressure system needed for a hurricane or tornado | low pressure
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| type of water needed for a hurricane to form | warm (80 degrees or warmer)
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| warning time for a tornado vs. a hurricane | You can know about a hurricane days to weeks in advance, but you only know about a tornado minutes to hours in advance
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| a tropical cyclone with high winds, rain, thunder, and lightning | hurricane
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| a rotating funnel-shaped column of air that has a very high speed of winds | tornado
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| What does a hurricane need to form? | low pressure, warm water, forms near equator, rotation of winds caused by Coriolis effect, wind going in the same direction as the storm
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| Where do most hurricanes start? Why? | near the equator because of the warm water and stronger Coriolis forces
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| three characteristics of an air mass that you need to know in order to classify it | temperature, pressure, and moisture
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| type of weather system that brings calm, clear weather | high pressure
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| symbol for low pressure | capital letter L that is red
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| symbol for high pressure | capital letter H that is blue
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Created by:
Nisey1996
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