APRIL 2012
FIGURE E15.
Southern Hemisphere mean
and anomalous 500-hPa geopotential height (CDAS/Reanalysis). Mean
heights are denoted by solid contours drawn at an interval of 8 dam.
Anomaly contour interval is indicated by shading. Anomalies are
calculated as departures from the 1981-2010 base period monthly means.
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