Webhail size description chart hailstone size measurement in.

Bb < 1/4 < 0. 64 pea 1/4 0. 64 dime 7/10 1. 8 penny 3/4 1. 9 nickel 7/8 2. 2 quarter 1 2. 5 half dollar 1 1/4 3. 2 golf ball.

An unstable air mass in the middle.

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Webhail that was at least the size of golf balls was observed across the denver region, over an area home to some 1 million people, 9news meteorologist chris bianchi.

Webhail is most common during spring and summer when a few key ingredients are present:

Warm, humid air near the surface;

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