Tuesday, November 27, 2012

Isotach

Graphic at 300 or 200 mb Showing Example Height Field, Isotachs, and the Jet Stream

Source - http://www.crh.noaa.gov/lmk/?n=basic-fronts

Isotach are contour lines that connect points that have an equal wind speed.  Isotach also uses colors to represent the rain fall in the given area. The isotach above is depicting the isotach through the southern part of the United States. The pattern is that the wind is blowing fast from east to west.

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