How is a water spout measured?

Waterspouts are typically measured by their wind speed, which can range from 40 to 110 miles per hour (64 to 177 kilometers per hour). The size of a waterspout is also measured, which can range from a few feet to over a mile in diameter (a few meters to over 1.6 kilometers). The height of a waterspout is also measured, which can range from a few feet to over 5,000 feet (1,524 meters).

Waterspouts are classified into three main types based on their appearance and structure:

1. Fair-weather waterspouts: These are the most common type of waterspout and are typically formed on warm, humid days when the air is unstable. They are usually weak and short-lived, and do not typically cause significant damage.

2. Tornadic waterspouts: These are waterspouts that are associated with thunderstorms and are much more powerful than fair-weather waterspouts. They can cause significant damage to property and infrastructure, and can even be life-threatening.

3. Hybrid waterspouts: These are waterspouts that have characteristics of both fair-weather and tornadic waterspouts. They are typically formed in areas where there is a combination of warm, humid air and strong thunderstorm activity.