Saturday, September 20, 2008

Isotachs



Isotachs are lines on a given surface connecting points with equal wind speeds. The are seen sometimes in conjunction with isobars. This map shows the wind direction and speed across the United States. You can see by reading the map that the highest winds are in the Northwest.









http://www.rap.ucar.edu/weather/model/eta00hr_300_wnd.gif

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