#storm_center.midpoint__stormcenter__storm_centre__stormcentre  the central area or place of lowest barometric pressure within a storm
  supertype:  #midpoint__center__centre  a point equidistant from the ends of a line or the extremities of a figure
  part of:  #violent_storm__violentstorm__storm  a violent weather condition with winds 64-72 knots (11 on the Beaufort scale) and precipitation and thunder and lightening
     part of:  #Beaufort_scale__wind_scale  an international scale of wind force from 0 (calm air) to 12 (hurricane)

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