🌍Global
Series · Climate & Perils
Severe Convective Storms
Hail, tornadoes and damaging winds, report by report, across fifteen years of the United States: the world's most violent convective weather and insurers' fastest-growing loss driver.
3 episodes
- Source
- NOAA/SPC storm reports
- Coverage
- 2010 to 2024 · United States ONLY
- Catalogue
- 420,588 severe reports
- Peril type
- Meteorological (convective)
- Updated
- Dec 2024
Latest year & record context · experienced risk · US only
Severe reports · 2024
30,835
8,881 hail · 1,873 tornado · 20,081 wind
Biggest tornado day
235 tornadoes
27 Apr 2011 · to EF5
Violent tornadoes on record
112
EF4 and EF5 · 2010–2024
Largest hail recorded
20.3 cm
maximum reported stone size
Scope
United States
NOAA/SPC reports · no global catalogue
Ask SarahBeta
New episode: The Convective Engine
5 Jul 2026
Episodes
1
NEW
Four hundred thousand severe weather reports mapped and counted: where hail, tornadoes and straight-line winds concentrate, and how the seasons drive them.
2
NEW
Every severe hail, tornado and wind report since 2010: type, date, place, size or rating, sortable and filterable.
2011
NEW
Around 360 tornadoes in four days, four of them EF5. The 25-28 April 2011 outbreak killed about 321 people and set the roughly ten billion dollar insured benchmark for convective storms.