An ISOTACH map uses a line along which the speed of the wind is constant. Isotachs are represented on surfaces of constant elevation or atmospheric pressure, or in vertical cross sections. The closeness of spacing of the isotachs is indicative of the intensity of the wind on such surfaces. Shown here is the wind velocity in the US.Friday, August 1, 2008
ISOTACHS
An ISOTACH map uses a line along which the speed of the wind is constant. Isotachs are represented on surfaces of constant elevation or atmospheric pressure, or in vertical cross sections. The closeness of spacing of the isotachs is indicative of the intensity of the wind on such surfaces. Shown here is the wind velocity in the US.
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