Wikimore

Summary

DescriptionTrough.jpg	English: An idealized representation of alternating troughs and ridges in a westerly current, Northern Hemisphere. The areas of upper-level convergence (high pressure) and divergence (low pressure) are labeled. In the Southern Hemisphere, the pattern of troughs and ridges would be reversed, but the areas of convergence and divergence would remain west and east of the trough axis, respectively.
Date	13 September 2007
Source	Own work
Author	A7x

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Category:Self-published work#Trough.jpg Category:PD-self#Trough.jpg Category:Atmospheric circulation Category:Barometric troughs Category:Ridges (meteorology)