Yearly summaries of storm activity, NWS alert data, tornado and hail statistics drawn from iAlert’s national weather monitoring archive.
A comprehensive summary of U.S. storm activity including tornado reports, hail events, wind damage, winter weather, flooding, and NWS alert statistics.
110,261 storm reports • 1,104 tornadoes • Snow led all events
137,860 storm reports • 1,351 tornadoes • Snow led all events
149,529 storm reports • 1,322 tornadoes • Snow led all events
129,615 storm reports • 1,327 tornadoes • Snow led all events
129,373 storm reports • 1,211 tornadoes • Snow led all events
Reports are based on National Weather Service Local Storm Reports (LSRs) and CAP alert feed data collected by iAlert since 2013.
All statistics are computed from iAlert’s weather monitoring archive. Reports are published annually; data represents the full calendar year.
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