| Top 10 Costliest U.S. Catastrophes Involving Tornadoes (1) |
($ millions)
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Estimated insured loss |
| Rank |
Date |
Event |
Location |
Dollars when occurred |
In 2021 dollars (2) |
| 1 |
Aug. 8-12, 2020 |
Includes Aug. 10 Midwest Derecho |
IA, IL, IN, KS, MI, MN, MO, NE, OH, SD, WI, PA, DC, MD, VA, WV |
$9,200 |
$9,580 |
| 2 |
Apr. 22-28, 2011 |
Late April 2011 Super Tornado Outbreak |
AL, AR, GA, IL, KY, LA, MO, MS, OH, OK, TN, TX, VA |
7,300 |
8,800 |
| 3 |
May 21-27, 2011 |
Joplin, MO Tornado |
AR, GA, IA, IL, IN, KS, KY, MI, MN, MO, NC, NE, NY, OH, OK, PA, TN, TX, VA, WI |
6,900 |
8,270 |
| 4 |
May 2-5, 2003 |
|
AL, AR, CO, GA, IA, IL, IN, KS, KY, MO, MS, NC, NE, OH, OK, SC, SD, TN |
3,205 |
4,730 |
| 5 |
Dec. 10-12, 2021 |
|
AR, IL, IN, KY, MI, MO, NY, OH, TN, TX |
4,000 |
4,000 |
| 6 |
May 27-30, 2019 |
|
CO, TX, OK, KS, AR, MO, IA, IL, IN,
OH, PA, WV, WY, NJ, NY |
3,650 |
3,860 |
| 7 |
Apr. 10-15, 2016 |
San Antonio Hailstorm |
TX, LA, OK, AR, MS, KS, MO |
3,200 |
3,620 |
| 8 |
Apr. 6-12, 2001 |
St. Louis Hailstorm |
AR, CO, IA, IL, IN, KS, MI, MN, MO, NE, OH, OK, PA, TX |
2,200 |
3,370 |
| 9 |
May 18-23, 2014 |
|
CO, DE, IA, IL, IN, MT, NY, OH, PA,
SC, VA |
2,950 |
3,360 |
| 10 |
Oct. 5-6, 2010 |
Phoenix Hailstorm |
AZ |
2,700 |
3,350 |
(1) Defined by Aon as severe convective storms including insured thunderstorm events and may include tornado, hail, damaging straight-line winds (derechos) and flash flood impacts from events. Includes events that occurred through 2020. Subject to change as loss estimates are further developed. As of February 1, 2022.
(2) Adjusted for inflation by Aon using the U.S. Consumer Price Index.
Source: Aon. |
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