5jrodriguez

5jrodriguez

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  By: Jorge Rodriguez
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   When temperature is changing even though heat isn't being given or taken away  When air expands it cools and when air is compressed it gets warm, when this happens this is called dry adiabatic rate  When cooling is at a slower rate because of heat is being added it is called wet adiabatic
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   Mountains act as barriers to air flow  As air goes up the mountain slope adiabatic cooling begins to make clouds and precipitation  When the air reaches the leeward side of he mountain most of its moisture has been lost and condensation and precipitation is less likely to happen http://www.sci.uidaho.edu/script er/geog100/lect/05-atmos-water- wx/05-part-7-atmos-lifting- fronts/ch5-part-7a-atmos-liftin.htm
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   When masses of warm air and cold air collide producing a front  Cool denser air act as a barrier over the less denser air.  Weather producing fronts are associated with specific storm systems which is called middle latitude cyclones
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   When air flows in from more than one direction it begins to flow upward because it cant go down  Causes cloud development and precipitation  Air movement and the rise of it is helped by solar heating of the land
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   When the volume of air was forced to rise, its temperature will drop because of its expansion  The warm air that is less dense in its surrounding air, will keep going upward until it reaches a altitude where its temperature equals its surrounding air  When stable air is moved above the earth surface, the clouds that form are widespread and have little vertical thickness.
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   When water vapor in the air changes to a liquid  When condensation happens in the air above the ground, tiny bits of particulate matter called condensation nuclei are used as a surface for water vapor condensation  When condensation happens the growth rate of cloud droplets is very rapid
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   All clouds are one of these basic forms: cirrus, cumulus and stratus  Cirrus clouds are high white and thin, they have a feathery appearance also occur as delicate veil like sheets  Cumulus clouds normally have a flat base and look like rising domes or towers, they clouds are describe of having a cauliflower structure  Stratus clouds are layers that cover up most of the sky
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   Normally have a bases of 6000 meters  Three could types make up the family of the high clouds, cirrus, cirrostratus and cirrocumulus  All high clouds are thin and white and are often made up of crystal ice  High clouds are not consider precipitation makers
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   Middle clouds occupy heights from 2000 to 6000 meters, have the prefix alto in their name  Altocumulus clouds are larger and denser than cirrocumulus clouds  Altostratus clouds a white and grayish sheet covering the sky with the sun or moon  Light snow or drizzle may accompany these clouds
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   Low clouds form below 2000 meters  there are three members of the low cloud family they are stratus, stratocumulus and nimbostratus  Stratus clouds are a fog like layers of clouds the cover up most of the sky  Stratocumulus clouds are when stratus clouds create a scalloped bottom that appear long parallel rolls  Nimbostratus clouds form during stable air, this cloud is one of the main precipitation makers
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   These clouds aren’t in any of the other three height categories, they are in the low height range  Often extend to middle or high altitude  They are all related to unstable air except the cumulus cloud, that is connected to fair weather
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   Fogs are the result of radiation cooling or the movement of air over a cooled surface  Fogs can also form by cool air because of the earth surface cools rapidly by radiation  Fog also is caused by evaporation because when rising water vapor meets cold air it begins to condense and rise with the air that is being warmed from below
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   The bergeron process relies on two physical process which is super cooling and supersaturated  Super cooling is when water is in the liquid state but under 0 degrees Celsius  Supersaturated is when air is 100 percent relative humidity
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   salt the water absorbing particle can remove water vapor from the air even if the relative humidity is less than 100 percent  Large water droplets form the humidity that is being taken away as these droplets move through the clouds they begin to collide
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   The term rain means water that falls from clouds and that a diameter of .5 mm  When temperature is above 4 degrees Celsius snow flakes will melt and turn into rain before they hit the ground  When temperatures are warmer than -5 degrees Celsius ice crystals join together a become bigger clumps
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   Sleet is small particles of clear translucent that form from temperatures above freezing overlie a subfreezing ground  Glaze is also known as freezing rain but they form when rain drops become super cold as they fall through subfreezing air  Hail is produced in the cumulonimbus cloud they are in the shape of small ice pellets that grow as they collect super cooled rain drops