Local wind patterns may be obtained from the local TV weather forecast. Because wind patterns change frequently, these weather broadcasts are often daily. Some examples of local winds include sea and land breezes.
There are five basic classes of winds that are categorized based on speed. Calm air is a very light wind with a speed of around 0.5 mph. Gentle breezes have speeds of 7 to 12 mph. Moderate winds have speeds of 17 to 24 mph. Strong winds have speeds of up to 39 to 46 mph. Finally, gale winds have speeds of 47 mph or more. Gale winds can progress to tornadoes and hurricanes.