Wind Speed: What does it mean?

As stated earlier, the speed of the wind is a direct correlation of the pressure differences in the area. High winds are usually a good indicator of changing weather. This could be two types of changes:

Source: NWS Southern Region Headquarters | NOAA

Microscale (Example: Approaching thunderstorm or sea breeze front)

Source: NWS Southern Region Headquarters | NOAA

Macroscale (Example: The passage of a cold front)