Year of Polar Prediction – Southern Hemisphere (YOPP-SH) Targeted Observing Period (TOP) “Courtesy of USAP Operational Meteorology Function” This is an accordion element with a series of buttons that open and close related content panels. Expand allCollapse all Documentation The International Antarctic Weather Forecasting Handbook McMurdo Station Daily Forecast Information Fleet Ops 5-Day Weather Outlook Phoenix Station TAFs Palmer Station Daily Forecast Information Southpole Station Daily Weather Summary Station TAFs