Movie:Global circulation

Information Page: Global circulation

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Global Circulation

Key Attributes

Domain:	environmental controls
Keywords:	Global circulation
Model name:	couple atmospheric and oceanographic modeling
Name:	CCSM, community
Where:	Global
When:	--

Short Description

Grade level: Middle (6-8), High (9-12), Under graduate (13-16)

Statement: A year of atmospheric circulation

Abstract: This is a high definition animation of global air circulation created by the Community Climate System Model (CCSM) and the National Center for Atmospheric Research (NCAR). It spans one calendar year and is comprised of hourly data. Cloud cover is generally shown in white with areas of precipitation shown in orange. There are many seasonal weather phenomenon visible in different regions of the globe at various times. They include monsoon seasons as well as the paths of winter storms in the northern hemisphere. In the winter months for the northern hemisphere the storm track can be clearly seen as clouds carrying lots of moisture come south from Alaska and hit the Pacific Northwest. At the same time, in the southern hemisphere afternoon rain storms can be seen over much of South America and southern Africa. As the seasons shift, the northward movement of the Inter-tropical Convergence Zone (ITCZ) can be seen, bringing with it the monsoon season to India and much of the east. At the same time the US hurricane season begins. These more local events can be seen forming in the Atlantic Ocean and getting pushed towards the East Coast of the US, occasionally making land fall and bringing rain.

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