An anemogram is a graphical representation of wind speed and direction. However, there are various other words that can be used as synonyms for anemogram that may be used in different contexts. Wind rose is another representation of wind speed and direction that is used in meteorology. Aerovane is a device for measuring wind speed and direction, while wind sock indicates wind direction. Additionally, katabatic winds represent high-speed wind occurrences caused by cold air and gravity, and Chinook winds indicate warm, strong, and dry gusts experienced in Western Canada and USA. Finally, trade winds are the winds blowing from the northeast or southeast that filled the sails of trade ships in the era of world exploration.