Uploaded March 2026 | Updated September 2026, 2 weeks ago

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Severe thunderstorms across the central U.S. produced massive 4–6 inch hail, breaking a state record in Illinois. But how does hail actually form — and what does it take to grow stones that large?

In this video, learn more:

• How hail forms inside severe thunderstorms
• The role of powerful updraft winds
• How strong winds must be to support giant hail
• The official size classifications for large and “giant” hail
• Why some storms produce destructive, record-breaking hail

If you're interested in severe weather, supercells, hail formation, storm science, or meteorology, this breakdown walks you through the science behind these icy giants.

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