The “L” and “H” icons on weather maps represent, respectively, areas of relative low air pressure (cyclones in meteorological parlance) and high air pressure (anticyclones). Well-formed ...

As Hurricane Florence continues to move into the Carolinas, the information on hurricane maps becomes increasingly important to those in inland areas. Here is what the various letters and symbols ...

You can combine this with the Sun symbol for a cloudy day with sunny intervals. Or with the crescent moon to have a partly cloudy night. A filled-in grey cloud on a weather map of Britain can be a ...