Distribution details. (IMAGE)

Niigata University

Distribution details.

Caption

Horizontal distributions of the 200-hPa geopotential height Z (contours; m), AS+ [shading; m (100 km)-1] at 1200 UTC 13 April, which indicates fields of AS maxima with respect to r at all grid points. The blue triangles denote the location of local height minima. The COL index, COL center and intensity, concave distribution shown in image.

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Niigata University

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