Hail in Boulder County, Colorado

Hail May 9, 2023 · Boulder County, Colorado

1 in

Hail diameter

Where the report was made, with tornadoes recorded within 15 miles over the years.

The wider storm

Severe thunderstorms with large hail developed across Adams, Boulder, Denver, Larimer, Morgan and Weld counties. The hail ranged from 1.0 to 2.5 inches in diameter. Extensive damage to homes and vehicles was reported in Longmont, Erie, Johnstown and Firestone. The largest hail occurred in Morgan County, where tennis ball size hail was reported.

Began near Niwot (40.1000, -105.1700).

Source: NOAA Storm Events Database, event 1086700. Narratives are written by the National Weather Service forecast office that issued the report.

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