County Hazards

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Flood in Greer County, Oklahoma

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

16 events · 0 deaths recorded · peak month June · county share of state 0.4%

2021-06-13: Flood2021-06-13: Flood2021-06-13: Flood2021-06-13: Flood2019-05-08: Flood2018-10-07: Flood2017-08-25: Flood
Flood event locations in and around Greer 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 16 flood events in Greer County, Oklahoma, between 1950 and 2026, spread over 9 years.

June is the busiest month, with 5 of the recorded events. The last 20 years account for 7 events against 9 in the 20 years before, a change that reflects reporting practice as much as weather.

The county holds 0.4% of the 4,346 flood events recorded in Oklahoma; its 2.5 per 100 square miles compares with 6.3 statewide.

Compared with Oklahoma

MeasureGreer CountyOklahomaUS
Flood events since 1950164,346183,559
Per 100 square miles2.56.35.2
Per 10,000 residents29.210.95.5
Deaths recorded0912,961
Busiest monthJuneMayJune

By year

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

Seasonality

Jan
0
Feb
0
Mar
1
Apr
0
May
2
Jun
5
Jul
1
Aug
4
Sep
2
Oct
1
Nov
0
Dec
0
Flood events in Greer County by month of occurrence, all years.

Recorded events

All 16 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.

DateEvent typeMagnitudeProperty damageCrop damageDeathsInjuriesGeography
13 Jun 2021Flood—————County
13 Jun 2021Flash Flood—————County
13 Jun 2021Flash Flood—————County
13 Jun 2021Flash Flood—————County
8 May 2019Flash Flood—$10K———County
7 Oct 2018Flash Flood—$75K———County
25 Aug 2017Flash Flood—————County
4 Mar 2004Flood—————Forecast zone
11 Sep 2003Flood—————Forecast zone
24 Jun 1999Flash Flood—————County
27 May 1999Flash Flood—————County
10 Aug 1997Flash Flood—————County
10 Aug 1997Flash Flood—————County
11 Jul 1997Flash Flood—————County
4 Sep 1996Flash Flood—————County
28 Aug 1996Flash Flood—————County

Questions and answers

How many flood events has Greer County had?

16 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 Greer County?

13 Jun 2021 (Flash Flood). Records reach NCEI about 120 days after the month ends.

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

The flash flood of 7 Oct 2018, with property damage estimated by NCEI at $75K.

How does Greer County compare with Oklahoma for flood?

2.5 events per 100 square miles against 6.3 statewide; the county holds 16 of the state's 4,346 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.