# Talk:Air mass

Air Mass is a uniform body of air that has similar temperature and moisture content.  There are four different kinds of air masses:  Maritime Tropical form over warm oceans.  Continental Tropical form over land and are warm.  Continental Polar form over land and are cold.  Maritime Polar form over cold oceans.
Air Masses Meet
When the sun heats the surface of the earth, the air near the surface is warmed and it begins to rise. Colder air then rushes in to replace the rising warm air. Because water responds to hot and cold temperatures in the exact same way the air does, the movements of warm and cool air may be demonstrated using hot and cold water.	
	To make this project put a drop of food coloring into one of the two glasses and fill it with hot water. Fill the second glass with cold water. Put the cold glass in either a sink or large bowl. Put a piece of cardboard over the top of the glass holding the hot water. Turn the glass upside down, pressing down on the cardboard to keep the water from pouring or  overflowing. Put the glass of hot water on top of the glass of cold water; the openings of the glass should be on top of each other, separate only by the sheet of cardboard. Then slowly remove the cardboard from between the two glasses.  —Preceding unsigned comment added by 72.148.0.81 (talk) 19:46, 13 October 2007 (UTC) 

There is a Continental Arctic, the coldest air mass other than the 4 listed --Natasha2006 15:34, 17 October 2007 (UTC)
What, there's no mA in the first image? The summer/autumn climates on and bordering the Arctic Ocean? Now the first image looks like there is a dry climate, perhaps in the winter/spring until the melting begins in late march/april. Better would be to mark it mcA or something. As it is, it is misleading. 130.232.109.118 (talk) 11:50, 27 November 2009 (UTC)

A new section called modification has just been added.  Other than adding more references to the article, does anyone have an idea where else this article can go/expand?  Thegreatdr (talk) 14:01, 22 August 2009 (UTC)

Expanding the lead and air mass descriptions.  Once this is done, will submit article for GAN.  Thegreatdr (talk) 14:48, 28 October 2009 (UTC)

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Added archive https://web.archive.org/web/20110606104210/http://amsglossary.allenpress.com/glossary/search?id=trade-air1 to http://amsglossary.allenpress.com/glossary/search?id=trade-air1
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Is the "S" notation described in the article valid still? Even if it is, it might be good to describe elsewhere if the world map does not contain example regions (right now, the article only has a map with a subset of the defined variables). --Marx01 Tell me about it 06:36, 23 January 2022 (UTC)