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Flood in Bronx County, New York
90 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.
Bronx County, New York, has 90 flood events in the NCEI record since 1950, with at least one in 26 different years.
September is the busiest month, with 21 of the recorded events. The last 20 years account for 52 events against 38 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.3% of the 6,836 flood events recorded in New York; its 213.4 per 100 square miles compares with 14.5 statewide.
Compared with New York
| Measure | Bronx County | New York | US |
|---|---|---|---|
| Flood events since 1950 | 90 | 6,836 | 183,559 |
| Per 100 square miles | 213.4 | 14.5 | 5.2 |
| Per 10,000 residents | 0.6 | 3.4 | 5.5 |
| Deaths recorded | 0 | 117 | 2,961 |
| Busiest month | September | July | June |
By year
Seasonality
6Feb
0Mar
4Apr
7May
1Jun
8Jul
13Aug
14Sep
21Oct
11Nov
0Dec
5
Recorded events
All 90 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 30 Oct 2025 | Flash Flood | — | — | — | — | — | County |
| 14 Jul 2025 | Flash Flood | — | — | — | — | — | County |
| 14 Jul 2025 | Flash Flood | — | — | — | — | — | County |
| 6 Aug 2024 | Flash Flood | — | — | — | — | — | County |
| 6 Aug 2024 | Flash Flood | — | — | — | — | — | County |
| 13 Jan 2024 | Coastal Flood | — | — | — | — | — | Forecast zone |
| 29 Sep 2023 | Flash Flood | — | — | — | — | — | County |
| 18 Jul 2022 | Flash Flood | — | — | — | — | — | County |
| 18 Jul 2022 | Flash Flood | — | — | — | — | — | County |
| 2 Sep 2021 | Flash Flood | — | — | — | — | — | County |
| 1 Sep 2021 | Flash Flood | — | — | — | — | — | County |
| 1 Sep 2021 | Flash Flood | — | — | — | — | — | County |
| 1 Sep 2021 | Flash Flood | — | — | — | — | — | County |
| 1 Sep 2021 | Flash Flood | — | $60M | — | — | — | County |
| 1 Sep 2021 | Flash Flood | — | — | — | — | — | County |
| 22 Aug 2021 | Flood | — | — | — | — | — | County |
| 21 Aug 2021 | Flash Flood | — | — | — | — | — | County |
| 8 Jul 2021 | Flash Flood | — | — | — | — | — | County |
| 8 Jul 2021 | Flash Flood | — | — | — | — | — | County |
| 8 Jul 2021 | Flash Flood | — | — | — | — | — | County |
| 8 Jul 2021 | Flash Flood | — | — | — | — | — | County |
| 8 Jun 2021 | Flash Flood | — | — | — | — | — | County |
| 25 Sep 2018 | Flash Flood | — | — | — | — | — | County |
| 25 Sep 2018 | Flash Flood | — | — | — | — | — | County |
| 4 Aug 2018 | Flash Flood | — | — | — | — | — | County |
| 16 Apr 2018 | Flood | — | — | — | — | — | County |
| 16 Apr 2018 | Flash Flood | — | — | — | — | — | County |
| 29 Oct 2017 | Flood | — | — | — | — | — | County |
| 2 Aug 2017 | Flash Flood | — | — | — | — | — | County |
| 23 Jan 2016 | Coastal Flood | — | — | — | — | — | Forecast zone |
| 30 Jul 2015 | Flash Flood | — | — | — | — | — | County |
| 31 Aug 2014 | Flash Flood | — | — | — | — | — | County |
| 15 Jul 2014 | Flash Flood | — | — | — | — | — | County |
| 3 Jul 2014 | Flash Flood | — | — | — | — | — | County |
| 1 May 2014 | Flood | — | — | — | — | — | County |
| 30 Apr 2014 | Flood | — | — | — | — | — | County |
| 26 Dec 2012 | Coastal Flood | — | — | — | — | — | Forecast zone |
| 29 Oct 2012 | Coastal Flood | — | — | — | — | — | Forecast zone |
| 1 Oct 2010 | Flood | — | — | — | — | — | County |
| 13 Mar 2010 | Coastal Flood | — | — | — | — | — | Forecast zone |
| 29 Jul 2009 | Flash Flood | — | — | — | — | — | County |
| 6 Sep 2008 | Flash Flood | — | — | — | — | — | County |
| 6 Sep 2008 | Flash Flood | — | — | — | — | — | County |
| 6 Sep 2008 | Flash Flood | — | — | — | — | — | County |
| 15 Aug 2008 | Flash Flood | — | — | — | — | — | County |
| 22 Jun 2008 | Flash Flood | — | — | — | — | — | County |
| 11 Oct 2007 | Flash Flood | — | — | — | — | — | County |
| 8 Aug 2007 | Flash Flood | — | — | — | — | — | County |
| 4 Jun 2007 | Flash Flood | — | — | — | — | — | County |
| 27 Apr 2007 | Flash Flood | — | — | — | — | — | County |
| 15 Apr 2007 | Coastal Flood | — | — | — | — | — | Forecast zone |
| 15 Apr 2007 | Flood | — | — | — | — | — | County |
| 28 Oct 2006 | Flash Flood | — | — | — | — | — | County |
| 25 Aug 2006 | Flash Flood | — | — | — | — | — | County |
| 12 Oct 2005 | Flood | — | — | — | — | — | Forecast zone |
| 8 Oct 2005 | Flood | — | — | — | — | — | Forecast zone |
| 28 Sep 2004 | Flash Flood | — | — | — | — | — | County |
| 28 Sep 2004 | Flash Flood | — | — | — | — | — | County |
| 28 Sep 2004 | Flash Flood | — | — | — | — | — | County |
| 18 Sep 2004 | Flash Flood | — | — | — | — | — | County |
| 8 Sep 2004 | Flash Flood | — | — | — | — | — | County |
| 8 Sep 2004 | Flash Flood | — | — | — | — | — | County |
| 2 Jul 2004 | Flash Flood | — | — | — | — | — | County |
| 17 Jun 2004 | Flash Flood | — | — | — | — | — | County |
| 23 Sep 2003 | Flash Flood | — | — | — | — | — | County |
| 16 Aug 2002 | Flash Flood | — | — | — | — | — | County |
| 26 Jun 2002 | Flash Flood | — | — | — | — | — | County |
| 17 Jun 2001 | Flood | — | — | — | — | — | County |
| 30 Mar 2001 | Flood | — | — | — | — | — | County |
| 11 Aug 2000 | Flash Flood | — | — | — | — | — | County |
| 16 Sep 1999 | Flash Flood | — | — | — | — | — | County |
| 26 Aug 1999 | Flash Flood | — | — | — | — | — | County |
| 3 Jan 1999 | Flood | — | — | — | — | — | County |
| 17 Aug 1998 | Flash Flood | — | — | — | — | — | County |
| 13 Jun 1998 | Flash Flood | — | — | — | — | — | County |
| 9 Mar 1998 | Flood | — | — | — | — | — | County |
| 23 Jan 1998 | Flood | — | — | — | — | — | County |
| 29 Dec 1997 | Coastal Flood | — | — | — | — | — | Forecast zone |
| 31 Mar 1997 | Coastal Flood | — | — | — | — | — | Forecast zone |
| 13 Dec 1996 | Coastal Flood | — | — | — | — | — | Forecast zone |
| 7 Dec 1996 | Coastal Flood | — | — | — | — | — | Forecast zone |
| 6 Dec 1996 | Coastal Flood | — | — | — | — | — | Forecast zone |
| 19 Oct 1996 | Coastal Flood | — | $3.0M | — | — | — | Forecast zone |
| 19 Oct 1996 | Flash Flood | — | — | — | — | — | County |
| 19 Oct 1996 | Flash Flood | — | — | — | — | — | County |
| 8 Sep 1996 | Flash Flood | — | — | — | — | — | County |
| 3 Jun 1996 | Flood | — | — | — | — | — | County |
| 16 Apr 1996 | Flood | — | — | — | — | — | County |
| 19 Jan 1996 | Flood | — | — | — | — | — | Forecast zone |
| 12 Jan 1996 | Flood | — | — | — | — | — | County |
Questions and answers
How many flood events has Bronx County had?
90 events in the NCEI Storm Events record between 1950 and 2026. Reporting of floods and flash floods became far more complete after 1996, so early decades undercount.
When was the last recorded flood event in Bronx County?
30 Oct 2025 (Flash Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Bronx County?
The flash flood of 1 Sep 2021, with property damage estimated by NCEI at $60M.
How does Bronx County compare with New York for flood?
213.4 events per 100 square miles against 14.5 statewide; the county holds 90 of the state's 6,836 recorded events.
Provenance
NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Flood hub and the county page.