TwisterTrack
Research

Tornado Trends & Research

Patterns across every recorded U.S. tornado since 1950. Explore a specific area:

Recorded tornadoes71,808
Strongest on recordEF5
Longest path234.7 mi
Widest path4,576 yd
Injuries (total)99,005
Fatalities (total)6,273

What the records show

  • Activity peaks in May — the heart of the U.S. severe season.
  • Most tornadoes were recorded during the afternoon (based on the 71,748 of 71,808 records with a reported time).
  • The most-recorded decade was the 2000s — though earlier decades have less complete records.
  • Date range on record: January 3, 1950 to December 29, 2024.

By month (seasonality)

By time of day

71,748 of 71,808 records include a reported time.

By decade

By EF rating

Coming soon: weather context (temperature, setup) requires a separate meteorological dataset and isn't part of the SPC tornado records shown here.