Observed arrival · 2026-10-28
StormWorn maps America’s hazard record, county by county
A public explorer for historical tornadoes, hurricanes, large wildfires, floods and weather extremes across U.S. counties and cities.
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ƒJS
- For
- People comparing local U.S. hazard histories
- Worth noticing
- The explorer separates satellite-mapped large fires since 1984 from flood-insurance claims tracked since 1978.
Field notes
Navigation offers state comparisons, two-county comparisons, a year-by-year view reaching back to 1851, and an “On this day” calendar. Rankings include tornadoes per 1,000 square miles, hurricane-strength passes, hot days at or above 95°F, and average snowfall. Featured examples include Cleveland County, Oklahoma, and Monroe County, Florida; methodology, sources, and an About section are linked.
Observed signals
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Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
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