| Top 10 Most Significant Flood Events By National Flood °µÍø½ûÇø Program Payouts (1) |
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| Rank |
Date |
Event |
Number of
paid losses |
Amount paid
($ millions)
when occurred |
Amount paid
($ millions)
in 2023 dollars |
Average paid loss
in 2023 dollars |
| 1 |
Aug. 2005 |
Hurricane Katrina |
168,200 |
$16,330 |
$25,592 |
$152,152 |
| 2 |
Oct. 2012 |
Superstorm Sandy |
132,800 |
8,967 |
11,931 |
89,842 |
| 3 |
Sep. 2017 |
Hurricane Harvey |
77,100 |
9,015 |
11,302 |
146,589 |
| 4 |
Sep. 2022 |
Hurricane Ian |
48,000 |
4,300 |
4,441 |
92,521 |
| 5 |
Sep. 2008 |
Hurricane Ike |
46,900 |
2,711 |
3,814 |
81,322 |
| 6 |
Aug. 2016 |
Louisiana severe storms and flooding |
27,600 |
2,522 |
3,223 |
116,775 |
| 7 |
Sep. 2004 |
Hurricane Ivan |
31,000 |
1,671 |
2,709 |
87,387 |
| 8 |
May 2001 |
Tropical Storm Allison |
62,200 |
1,110 |
1,919 |
30,852 |
| 9 |
Aug. 2011 |
Hurricane Irene |
43,800 |
1,344 |
1,826 |
41,689 |
| 10 |
Apr. 2017 |
Hurricane Irma |
22,300 |
1,094 |
1,365 |
61,211 |
(1) Includes events from 1978 to December 31, 2023 as of January 2024. Defined by the National Flood °µÍø½ûÇø Program as an event that produces at least 1,500 paid losses. Ranked on Amount Paid in 2023 dollars.
Source: Federal Emergency Management Agency (FEMA) National Flood °µÍø½ûÇø Program (NFIP) data; analysis courtesy of Aon. |
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