| Confirmed Total | Confirmed F0 | Confirmed F1 | Confirmed F2 | Confirmed F3 | Confirmed F4 | Confirmed F5 | Confirmed F6 | Confirmed F7 | Confirmed F8 |
| 297 | 64 | 57 | 49 | 52 | 29 | 21 | 16 | 9 | 1 |
 | |
| Date of tornado outbreak: | 3-13-17 |
| Duration1: | 10 Hours 56 Minutes |
| Maximum rated tornado2: | EF8 tornado |
| Tornadoes caused: | 297 |
| Damages: | $1.62trillion (2017 USD) |
| Fatalities: | 34,921 |
| Areas affected: | Colorado, Wyoming, Nebraska |
|
1Time from first tornado to last tornado | |
