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meteorology

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Question
Answer
Front   Boundary between air masses of different densities, and usually different temperatures.  
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High pressure   an area of high pressure that rotates clockwise in the northern hemisphere and counter clockwise in the southern hemispehere.  
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Low pressure   a weather system in which air pressure decreases toward the center. This is usually caused by a mass of warm air being forced upward by cold air. Such systems are usually associated with unsettled weather.  
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Cold front   a warm -cold air boundary with the cold air advancing  
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Warm front   a warm-cold air boundary with the warm air advancing  
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isobar   A line drawn on a weather map connecting points of equal air pressure;delineates high-and low-pressuer areas. When close together ,isobars indicate areas of strong winds.  
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isotherm   lines on a map connecting the all places with the same temperature  
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millibars of Mercury   a metric unit of air pressure measurememt  
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barometric pressure   is caused by the weight of the air pressing down on the Earth  
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meteo-grams   A meteogram is a time cross-section of data for a specific surface reporting station.  
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solar radiation   the energy produced by the sun  
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terrestrial radiation   The portion of the natural background radiation that is emitted by naturally occurring radioactive materials, such as uranium, thorium, and radon in the earth.  
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dew point   measure of humidity given in terms of temperature at given in terms of temerature at which dew will start to form  
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saturation   point at which the amount of water vapor in the air is greatest for the airs's temerature and pressure  
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humidity   the amount of moisture in the air.  
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cyclone   an area of low=atmosheric pressure with wins blowing around it, conterclockwise in the southern hemisphere  
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anticyclone   an area of high pressure that rotates clockwise in the northern hemisphere and counter clockwise in the southern hemispehere.  
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meso-scale   in meteorology weather systems and events up to about 250 miles across  
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anemometer   use to measure wind speed  
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Doppler radar   radar that measures speed and direction of a moving onject, such as wind  
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infrared- lighting   electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves  
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sisible satellite water vapor imaging   (blank)  
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weather radar   (blank)  
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sheer winds   (blank)  
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hail   balls of ice that grow in thunderstorm updrafts  
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water spouts   a tornado or weaker vortexfrom the bottom of a cloud to the surface of a body of water  
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jet stream   a narrow band of upperatomsphere wind with speeds of greater than 57 miles an hour  
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wind   (blank)  
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singularities   (blank)  
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absolute humidity   the mass of water vapor in a given volume of air  
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Altimeter   A secial type of aneroid barometer used in airplanes to measure altitudes  
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back door cold front   a cold front that moves from the northeast instead of the more usual morthwest or north, in the eastern united states  
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Barometer   a device used to measure air pressur  
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Beaufort Wind scale   scale used to classify wind speed, divised in 1805 by British Admiral Francis Beaufort to classify winds at sea  
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Climate   the average type of weather over a few hours  
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El Nino   disruption of oceans atmosphere  
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La Nina   unusual cold ocean temp.in the Tropical ocean climate  
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Dendrochronology   study of tree rings to predict weather  
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Pollen   plant seeds sparce in drought plentifull in normal weather and sparce in cold times  
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paleoclimatology   ancient climate  
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moisture index   moniters moisture used to forcast drought  
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Microclimate   climate conditions in a smaller aria  
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Isotherms   lines on weather map connect with same temp  
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Tropical   30 deg.N to 30 deg S. lots of rain, worm climate, rainforest  
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temperate   mid lat 30deg - 60 degres to north and south  
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Desert   little to no rain, any lat, depends on other factors  
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Polar   cold tundra 60-90 degrees  
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Marine   winter painy and mild summer hot dry  
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Humid   close to tropic, all year rain fall, winters are short mild and summer hot humid  
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Arid   plains and tundra  
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Rain shadow   an area where very little rain fall occures on the leeward side of a mountain  
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radiator   any material that  
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terrestrial radiation   electromagnetic energy given off by the surface of the earth  
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windward side   precipitation occurs on this side of the mountain  
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climate   average conditions of the atmosphere near the earth's surface over a long period of time, taking into account temperatures, precipitation, humidity, wind, barometric pressure, and other phenomena.  
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horse latitudes   two belts of latitude where winds are light and the weather is hot and dry. They are located mostly over the oceans, at about 30° latitudes  
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topography   (blank)  
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Climatology   the science of climate and its relation to plant and animal life, is important in many fields, including agriculture, aviation, medicine, botany, zoology, geology, and geography.  
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doldrums or equatorial belt of calms   area around the earth centered slightly north of the equator between the two belts of trade winds.  
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global warming   the gradual increase of the temperature of the earth's lower atmosphere as a result of the increase in greenhouse gases since the Industrial Revolution.  
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