As we neared the Antarctic Circle, we suspended operations for about 12 hours while experiencing winds blowing a steady 40 knots gusting to 55, with 20 foot seas. We rode it out, resuming operations the following day. The top picture shows the isobar analysis for 22 January. The black dot is our approximate position. The lower picture suggests why we cannot go on deck during a storm. Map courtesy University of Wisconsin. Photo from palmer Station image archive. Caption by H. Ducklow.
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KEYWORDS: Antarctic Circle, millibars, isobars, storms, phytoplankton, University of Wisconsin, palmer Station, H. Ducklow