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How big is the Largest Hailstone?

The Largest Hailstone is 200 millimetres

A Deluge from Above: The Largest Hailstone’s Size Explored

Have you ever wondered about the size of the largest hailstone ever recorded? Imagine a chunk of ice falling from the sky that’s larger than a softball! It’s hard to believe, isn’t it? But it’s a fact. The largest hailstone ever measured fell in Vivian, South Dakota, USA, on July 23, 2010. It had a whopping diameter of 20 cm (8 inches) and weighed an astonishing 0.88 kg (1.94 lbs). To better understand the magnitude of this icy behemoth, let’s dive deeper into the world of hailstones and make some interesting size comparisons.

Size Comparisons: How Big is the Largest Hailstone?

To help us comprehend the size of the largest hailstone, let’s compare it with everyday objects:

  • The largest hailstone is about the size of a volleyball.
  • It’s approximately four times larger than a standard golf ball.
  • It’s also twice the size of a regular baseball.
  • It’s as heavy as nine AA batteries. Can you imagine something of that size plummeting from the sky? It’s no wonder that large hailstones can cause significant damage!

Hailstones: An Overview

Hailstones are balls or irregular lumps of ice that fall from the sky as a type of precipitation. They’re quite different from snowflakes, ice pellets, or graupel. Hailstones are usually between 5 mm (0.2 inches) and 15 cm (6 inches) in diameter. However, as we’ve seen, some can be even larger!

  • Hailstones form inside thunderstorm clouds when updrafts carry raindrops into colder areas of the storm.
  • As these raindrops freeze and more water freezes onto them, they gradually grow in size.
  • Once a hailstone becomes too heavy for the storm’s updraft to support, it falls to the ground.

The Record-Breaking Hailstone

The Vivian hailstone, as it’s known, broke all previous records. Before this, the largest hailstone ever recorded in the United States fell in Aurora, Nebraska, in 2003, and it was 17.8 cm (7 inches) in diameter. The Vivian hailstone wasn’t just record-breaking in terms of size and weight. It also came from a particularly severe storm. This storm produced a slew of other large hailstones, some of which were nearly as large as the record-breaker itself.

In Conclusion

Hailstones are fascinating natural phenomena, and their size can range from tiny ice pellets to massive, record-breaking ice balls like the Vivian hailstone. The size of the largest hailstone, at 20 cm (8 inches) in diameter, truly puts into perspective the incredible power of nature. The next time you’re caught in a hailstorm, remember the record-breaking hailstone and consider yourself lucky if the hailstones falling around you are only the size of peas!

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