How fast does an average raindrop fall?

Answer 1

How fast does hail fall?We really only have estimates about the speed hail falls. One estimate is that a 1cm hailstone falls at 9 m/s, and an 8cm stone, weighing .7kg falls at 48 m/s (171 km/h). However, the hailstone is not likely to reach terminal velocity due to friction, collisions with other hailstones or raindrops, wind, the viscosity of the wind, and melting. Also, the formula to calculate terminal velocity is based on the assumption that you are dealing with a perfect sphere. Hail is generally not a perfect sphere!

Answer 2

Many variables here, but the wind speed at the cloud level determines how quickly those clouds will advect.

When you see clouds zipping by, those are typically low clouds under the influence of strong low-level winds (low level being surface to 6,500 ft). These clouds MAY be moving at 25-35 knots (approximately). Mid-level and high-level clouds may be moving even faster (wind speeds generally increase with alitude) but do not look so fast to the naked eye because they are so high in the atmosphere.

Thunderstorms are guided by mid-level winds (10,000-18,000 feet) therefore they move in a different direction than the surface wind. They can really cruise if the atmospheric dynamics are such.

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Answer 3

rain falls from the sky at any speed depending on how heavy it is the heavyer the faster.

Answer 4

An average raindrop falls at a speed of around 7 meters per second (15 miles per hour) in still air. However, this speed can vary depending on the size of the raindrop and air resistance.

Answer 5

600 feet per minute

Answer 6

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