Tornado: Largest Tornado Outbreak
| Record Value | 209 tornadoes in a 24-hour period |
|---|---|
| Date of Event | 27/4/2011 |
| Length of Record | 1787-present |
| Geospatial Location | Southeastern United States |
Reference
US NOAA's Storm Data
Discussion
The official National Oceanic and Atmospheric Administration Storm Data for 27 April 2011 list tornado numbers:
F0: 62
F1: 78
F2: 33
F3: 21
F4: 11
F5: 4
Total tornadoes for calendar day: 209
In addition, the month of April 2011 also set an record high for the number of US tornadoes for a given month at 760.