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Flood in Hernando County, Florida
29 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.
NCEI records 29 flood events in Hernando County, Florida, between 1950 and 2026, spread over 10 years.
September is the busiest month, with 6 of the recorded events. The last 20 years account for 5 events against 24 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.9% of the 3,375 flood events recorded in Florida; its 6.1 per 100 square miles compares with 6.3 statewide.
Compared with Florida
| Measure | Hernando County | Florida | US |
|---|---|---|---|
| Flood events since 1950 | 29 | 3,375 | 183,559 |
| Per 100 square miles | 6.1 | 6.3 | 5.2 |
| Per 10,000 residents | 1.4 | 1.5 | 5.5 |
| Deaths recorded | 0 | 22 | 2,961 |
| Busiest month | September | September | June |
By year
Seasonality
3Feb
4Mar
2Apr
0May
2Jun
3Jul
1Aug
2Sep
6Oct
2Nov
1Dec
3
Recorded events
All 29 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 |
|---|---|---|---|---|---|---|---|
| 22 May 2022 | Flood | — | $30K | — | — | — | County |
| 12 Mar 2022 | Flood | — | — | — | — | — | County |
| 11 Sep 2017 | Flood | — | $5.0M | — | — | — | County |
| 24 Jun 2012 | Flood | — | $940K | — | — | — | County |
| 29 May 2012 | Flood | — | $1K | — | — | — | County |
| 1 Oct 2004 | Flood | — | — | — | — | — | Forecast zone |
| 26 Sep 2004 | Flood | — | — | — | — | — | Forecast zone |
| 6 Sep 2003 | Flash Flood | — | — | — | — | — | County |
| 1 Sep 2003 | Flood | — | — | — | — | — | Forecast zone |
| 11 Aug 2003 | Flood | — | — | — | — | — | Forecast zone |
| 19 Jun 2003 | Flash Flood | — | $50K | — | — | — | County |
| 31 Dec 2002 | Flood | — | — | — | — | — | County |
| 13 Dec 2002 | Flood | — | — | — | — | — | County |
| 22 Jun 2002 | Flash Flood | — | — | — | — | — | County |
| 27 Sep 1999 | Flood | — | $10K | — | — | — | County |
| 10 Jul 1998 | Flood | — | $10K | — | — | — | County |
| 1 Mar 1998 | Flood | — | — | $100K | — | — | County |
| 28 Feb 1998 | Flood | — | $20K | — | — | — | County |
| 20 Feb 1998 | Flood | — | $10K | $50K | — | — | County |
| 16 Feb 1998 | Flood | — | $10K | — | — | — | County |
| 2 Feb 1998 | Flood | — | $20K | — | — | — | County |
| 8 Jan 1998 | Flood | — | $5K | — | — | — | County |
| 6 Jan 1998 | Flood | — | $10K | — | — | — | County |
| 1 Jan 1998 | Flood | — | $100K | — | — | — | County |
| 18 Dec 1997 | Flood | — | $1.5M | — | — | — | County |
| 13 Nov 1997 | Flood | — | $50K | — | — | — | County |
| 27 Oct 1997 | Flood | — | $1K | — | — | — | County |
| 2 Sep 1997 | Flood | — | $25K | — | — | — | County |
| 5 Aug 1996 | Flood | — | $5K | — | — | — | County |
Questions and answers
How many flood events has Hernando County had?
29 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 Hernando County?
22 May 2022 (Flood). Records reach NCEI about 120 days after the month ends.
What was the most damaging flood event recorded in Hernando County?
The flood of 11 Sep 2017, with property damage estimated by NCEI at $5.0M.
How does Hernando County compare with Florida for flood?
6.1 events per 100 square miles against 6.3 statewide; the county holds 29 of the state's 3,375 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.