Storm Data
Storm Events Database Guide: How Historical Weather Damage Gets Archived
What storm event databases contain, how events are categorized, and why historical weather damage records have limitations.
Quick answer: Storm event databases archive damaging or significant weather events, but the records depend on reporting practices and available evidence.
What is included
Events may include tornadoes, hail, wind, flooding, winter storms, lightning, heat, cold, tropical systems, and other hazards.
Narratives and damage estimates can vary in detail.
Historical limits
Older events may have less precise location, weaker documentation, and inconsistent damage accounting.
Modern events usually have more data but still need review.
Best use
Use storm event data for context and research, while remembering that local impacts can be underreported or later revised.
It is a starting point, not the whole story.