What is the maximum expected wind speed in the mature stage of a thunderstorm?

In the mature stage of a thunderstorm, the maximum expected wind speed can indeed reach up to 65 MPH. This stage is characterized by the development of a fully formed cumulonimbus cloud, which can produce severe weather conditions, including strong winds, heavy rain, hail, and lightning.

During this phase, the storm becomes electrically active and capable of producing downdrafts that lead to outflow boundaries, resulting in strong gusty winds. The sustained or gusting wind speeds of around 65 MPH can pose significant hazards to aviation, such as turbulence and sudden shifts in wind direction. It's also important to recognize that while gusts can occasionally exceed this speed, the wind speeds that can be commonly expected during a mature thunderstorm are typically in this range, making it crucial for pilots and meteorologists to be aware of these conditions for safety and operational planning.