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large unit of air in which temp and moisture content is similar; forms in different climates
cp, ct, mp, mt |
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| term applied to high pressure system |
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| term applied to low pressure system |
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| a front that advances in such a way that warmer air replaces colder air |
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| a front of air mass that moves either very slowly or not at all |
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| a severe storm that develops over tropical oceans and whose strong winds of more than 120 km/h spiral in toward the intensely low-pressure storm center |
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| large area storm system; an area of low pressure that is characterized by rotating wind that moves toward the rising air of the central low-pressure region |
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| climates are the climates rain forest, desert and savanna |
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| the front edge of a moving mass of cold air, usually accompanied by heavy rain |
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| Cold air lifts warm air completely off of the ground |
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| Rain, lightening, cumulonimbus clouds |
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a hurricane formed in a different place
a severe tropical cyclone that forms on the western Pacific Ocean and on the China Seas; a hurricane |
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| a destructive, rotating column of air that has very high wind speeds and that may be visible as a funnel-shaped cloud |
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| consists of two thermometers, one which is dry and one which is kept moist with distilled water on a sock or wick |
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| a package of instruments that is carried aloft by balloons to measure upper atmospheric conditions |
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| a summary of weather conditions, often including predicted conditions, for an area. |
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| a map or chart showing weather conditions over a wide area at a particular time, compiled from simultaneous observations at different places. |
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| implies that people should be alert for the possibility of severe weather |
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| any dangerous meteorological phenomena with the potential to cause damage, serious social disruption, or loss |
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| an instrument measures atmospheric pressure |
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| a system that uses reflected radio waves to determine the velocity and location of objects |
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| lines connecting location of equal pressure wind will be fastest where they are closer together |
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| a forecast of the weather |
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| a map showing the principal meteorological elements at a given time and over an extended region. |
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| the average weather conditions in an area over a long period of time; described by temperature and precipitation |
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| A cooling of the water in the equatorial Pacific, which occurs at irregular intervals and is associated with widespread changes in weather patterns |
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| the amount of energy required to change the temperature of 1 g of a substance by 1 degree Celsius |
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| An irregularly occurring and complex series of climatic changes affecting the equatorial Pacific region and beyond every few years, characterized by the appearance of unusually warm, nutrient-poor water off northern Peru and Ecuador, typically in late December |
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| seasonal winds that cause both floods and drought |
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| the climate of a small area |
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| a usually brief, heavy storm that consists of rain, strong winds, lightning, and thunder |
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| the surface features of land |
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| where evidence of past climate is found in concentrations of gases in ice and meltwater |
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| where evidence of past climate is found, high isotope 18 oxygen levels in shells of microorganisms indicate cool water, while lower levels indicate warm water |
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| where evidence of past climate is seen in their width |
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| where evidence of past climate is found in remains of plants and animals which had adaptations to a particular environment's climate |
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| temperature and precipitation |
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| two major factors used to describe climate |
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| associated with cold fronts |
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| the amount of unobstructed space that wind travels, distance wind travels without hitting something |
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| on a map, a line that connects places of equal temperature |
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| happening now or in the past |
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| conditions are right so conditions can develop |
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| conditions have been spotted, or found on radar |
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