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View the maximum expected hail size over the past two hours in the United States.

This overlay is useful for tracking nearby hail and if you should move your car indoors to protect against significant hail damage.

Getting Started

  1. Tap the "Maps" tab.
  2. Tap the overlay button.
  3. Tap "Hail Size".
  4. Scrub the bottom slider.
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Here's an example of the hail size during a storm in North Carolina on June 24, 2024. Tap (mobile) or hover (desktop) over the data to view the estimated hail size.

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View → Hail Size Map