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air mass

   Also found in: Acronyms, Encyclopedia, Wikipedia 0.01 sec.
air mass
n.
A large body of air with only small horizontal variations of temperature, pressure, and moisture.
air mass
n
(Earth Sciences / Physical Geography) a large body of air having characteristics of temperature, moisture, and pressure that are approximately uniform horizontally
air mass
A widespread body of air that originates over a large area of land or ocean and assumes the temperature and humidity of that area, with characteristics distributed fairly evenly throughout the horizontal layers of the mass. Air that stands over the Caribbean Sea, for example, becomes a warm, humid maritime tropical air mass, while air that lies in the Arctic regions of northern Canada takes on the cold and dry characteristics of its surroundings and becomes a continental polar air mass. When air masses of differing properties come into contact in the middle latitudes, they frequently generate storm fronts.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.air mass - a large body of air with uniform characteristics horizontally
atmospheric state, atmosphere - the weather or climate at some place; "the atmosphere was thick with fog"
high - an air mass of higher than normal pressure; "the east coast benefits from a Bermuda high"
low, depression - an air mass of lower pressure; often brings precipitation; "a low moved in over night bringing sleet and snow"
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In addition, you must learn that when reference to air mass over water it is called maritime and then over land its known as continental.
Private Pilot License - 4 Critical Facts You Must Know before Flight ... by Eugene Walker / Reference and Education community
The team determined the best indicators of environmental changes due to climate change are quantity of greenhouse gas emissions, air quality (in particular ozone), air mass stagnation events (such as those caused by temperature inversions), temperature and humidity, pollen loads, ragweed occurrence, drought incidence, drinking water scarcity, and occurrence of wildfires and harmful algal blooms.
Sentinel symptoms of climate change: indicators for related health ... by Weinhold, Bob / Environmental Health Perspectives
Please be assured of my solidarity with you in the immense work of rebuilding which now lies ahead, and my prayers that the embargo will soon be lifted," the pope said at the open air mass under sunny skies.
Pope calls for Palestinian homeland, laments 'tragic' wall by AFP / AFP Global Edition
 
 
 
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