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Flood in Forsyth County, Georgia

33 floods and flash floods events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Flood, Flash Flood, Coastal Flood, Lakeshore Flood.

33 events · 0 deaths recorded · peak month September · county share of state 1.0%

2020-02-06: Flood2018-11-12: Flood2018-11-12: Flood2015-12-30: Flood2015-07-03: Flood2013-10-07: Flood2013-08-07: Flood2013-08-07: Flood2013-07-03: Flood2013-05-19: Flood2013-05-19: Flood2011-09-22: Flood2011-04-15: Flood2010-07-16: Flood2009-10-12: Flood2009-10-12: Flood2009-09-21: Flood2009-09-21: Flood2009-09-20: Flood2009-09-17: Flood2009-01-06: Flood2008-12-10: Flood2006-11-15: Flood
Flood event locations in and around Forsyth County. Dots: Flood event locations in the kept record. Boundaries: US Census Bureau.

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 33 flood events in Forsyth County, Georgia, between 1950 and 2026, spread over 15 years.

September is the busiest month, with 7 of the recorded events. The last 20 years account for 22 events against 11 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 1% of the 3,250 flood events recorded in Georgia; its 14.7 per 100 square miles compares with 5.6 statewide.

Compared with Georgia

MeasureForsyth CountyGeorgiaUS
Flood events since 1950333,250183,559
Per 100 square miles14.75.65.2
Per 10,000 residents1.33.05.5
Deaths recorded0182,961
Busiest monthSeptemberMarchJune

By year

195019882026
Flood events recorded in Forsyth County per year, 1950 to 2026 (2026 is partial).

Seasonality

Jan
1
Feb
3
Mar
2
Apr
2
May
3
Jun
0
Jul
4
Aug
3
Sep
7
Oct
3
Nov
3
Dec
2
Flood events in Forsyth County by month of occurrence, all years.

Recorded events

All 33 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
6 Feb 2020Flash Flood—————County
12 Nov 2018Flash Flood—————County
12 Nov 2018Flash Flood—————County
30 Dec 2015Flash Flood—$3K———County
3 Jul 2015Flash Flood—$3K———County
7 Oct 2013Flash Flood—$3K———County
7 Aug 2013Flash Flood—$3K———County
7 Aug 2013Flash Flood—$3K———County
3 Jul 2013Flash Flood—$3K———County
19 May 2013Flash Flood—$5K———County
19 May 2013Flash Flood—$5K———County
22 Sep 2011Flash Flood—$3K———County
15 Apr 2011Flash Flood—$5K———County
16 Jul 2010Flash Flood—$3K———County
12 Oct 2009Flash Flood—$3K———County
12 Oct 2009Flood—$5K———County
21 Sep 2009Flood—$264K———County
21 Sep 2009Flood—$330K———County
20 Sep 2009Flash Flood—$1K———County
17 Sep 2009Flash Flood—$500———County
6 Jan 2009Flood—$2K———County
10 Dec 2008Flood—$1K———County
15 Nov 2006Flood—$2K———County
13 Aug 2005Flood—$50K———Forecast zone
16 Sep 2004Flash Flood—$250K———County
7 Sep 2004Flood—————Forecast zone
13 Jul 2003Flash Flood—————County
6 May 2003Flash Flood—$5K———County
6 Mar 2003Flash Flood—————County
6 Mar 2003Flash Flood—————County
3 Apr 2000Flood—————County
3 Feb 1998Flood—————Forecast zone
27 Feb 1997Flood—————Forecast zone

Questions and answers

How many flood events has Forsyth County had?

33 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 Forsyth County?

6 Feb 2020 (Flash Flood). Records reach NCEI about 120 days after the month ends.

What was the most damaging flood event recorded in Forsyth County?

The flood of 21 Sep 2009, with property damage estimated by NCEI at $330K.

How does Forsyth County compare with Georgia for flood?

14.7 events per 100 square miles against 5.6 statewide; the county holds 33 of the state's 3,250 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.