What is the implicit geodetic model used by common numerical weather prediction products? WGS84? NAVD88? For example, NOAA's Rapid Refresh (RAP), North America Mesoscale (NAM), and Global Forecast ...
Perhaps this should be a chemistry question, but it seems to have physics attributes. There's a perennial ozone "hole" around the south pole created by destruction from Cl based chemicals like CFCs. ...