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Weather factors, Precipitation, Clouds, Fronts, Severe Weather

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Question
Answer
The 4 main types of precipitation   rain, snow, sleet, hail  
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______________ variations within clouds and/or within the region between the cloud and Earth determines the various forms of precipitation   temperature  
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Clouds form as a result of _________   condensation  
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Clouds that form from the condensation of water vapor are classified by a ________ and __________   shape & height  
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The 3 major classifications of clouds   cumulus, cirrus, and stratus  
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_________ clouds are formed at medium to low elevations, and are puffy with flat bottoms.   cumulus  
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Cumulus clouds that are white signal _____ weather, but when they are darker in color, they may signal ________.   fair, rain  
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________ clouds are formed at high elevations, are wispy, and consist of ice crystals.   cirrus  
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Cirrus clouds usually signal _________ weather or an approaching _______ front.   fair, warm  
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________ clouds form at medium or low elevation, are layered and cover a large area.   stratus  
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Stratus clouds usually bring long periods of steady ______________.   precipitation  
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Nimbus means _______ ___________ cloud.   rain bearing  
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The prefix alto refers to clouds at __________ elevation.   medium  
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Fog is an example of a ________ cloud that forms near the ground.   stratus  
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_____ forms when drops of water fall in temperatures above freezing.   rain  
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_____ forms when the air temperature is so cold that water vapor changes directly to a solid.   snow  
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_____ forms when raindrops pass through a layer of freezing air near Earth's surface.   sleet  
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_____ forms in cumulonimbus clouds when water freezes in layers as the ice nucleus is tossed up and down within the cloud.   hail  
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The 3 things that determine various weather conditions   air masses, fronts, and pressure systems  
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____ _________ are huge bodies of air that form over water or land in tropical or polar regions.   air masses  
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_____ ________ can form with cool/moist air, cold/dry air, warm/moist air, or hot/dry air based on where they form.   air masses  
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_____ form at the boundaries between air masses.   Fronts  
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The 4 types of fronts   warm, cold, stationary, and occluded  
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When a warm air mass collides and rides over a cold air mass, the resulting _____ front may produce long periods of precipitation and warmer temperatures.   warm  
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When a cold air mass collides and slides under a warm air mass, the resulting _____ front may produce thunderstorms and sometimes tornadoes and cooler temperatures.   cold  
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When neither a cold air mass nor a warm air mass moves at a frontal boundary, the resulting ________ front may produce long period of precipitation.   stationary  
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When a cold air mass pushes into a warm air mass that is behind a cool air mass, the warm air mass is pushed up above the cooler air masses. The resulting ______ front may produce long periods of precipitation.   occluded  
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______ _________ systems usually signal more fair weather with winds circulating around the system in a clockwise direction.   High pressure  
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______ _________ systems with counterclockwise circulating winds often result in rainy and/or stormy weather conditions.   Low pressure  
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Severe weather conditions called _______ occur when pressure differences cause rapid air movement.   storms  
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A storm with heavy rains and strong winds that form within cumulonimbus clouds along a cold front or within an air mass.   Thunderstorm  
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A very low pressure system with a rapidly whirling, funnel shaped cloud that extends down from a storm cloud.   Tornado  
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A low pressure tropical storm that forms over warm ocean water with winds that form a spinning circular pattern around the center, or eye, of the storm.   Hurricane  
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A tool used to measure wind speed in miles per hour.   anemometer  
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A tool used to measure wind direction.   wind vane  
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A tool used to measure air temperature in degrees Fahrenheit or Celsius.   thermometer  
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A two-thermometer instrument also referred to as a wet-dry bulb used to measure relative humidity.   psychrometer  
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The amount of water vapor in the air compared to the amount needed for saturation at a specific temperature.   relative humidity  
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A tool used to measure air pressure in inches of mercury or millibars(mb).   barometer  
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A tool used for measuring the amount of precipitation in inches or centimeters.   rain gauge  
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_________ _____ can help predict weather patterns by indicating high or low pressure systems (isobars), movement of air masses and fronts, or temperature ranges (isotherms).   Weather maps  
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_______ _________ provide information from specific locations that can also be used to predict weather patterns.   station models  
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