Enter any address in McCormick County, South Carolina to see its FEMA flood zone
6 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
McCormick County, South Carolina has recorded 10 flood-related events since 1996 according to NOAA's Storm Events Database, including 7 flash floods. The county has received 21 federal disaster declarations, 1 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1977–2026)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Winter Storm | Winter Storm | Jan 21, 2026 |
| Hurricane Helene | Tropical Storm | Sep 25, 2024 |
| Hurricane Debby | Tropical Storm | Aug 4, 2024 |
| Hurricane Idalia | Hurricane | Aug 29, 2023 |
| Hurricane Ian | Hurricane | Sep 25, 2022 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Hurricane Dorian | Hurricane | Aug 31, 2019 |
| Hurricane Florence | Hurricane | Sep 8, 2018 |
| Hurricane Irma | Hurricane | Sep 6, 2017 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Aug 16, 2025 | 0.00K |
| Flash Flood | Aug 5, 2025 | 0.00K |
| Tropical Storm | Sep 27, 2024 | 12.00M |
| Tropical Storm | Sep 30, 2022 | — |
| Tropical Storm | Oct 10, 2018 | — |
| Flash Flood | Dec 30, 2015 | 10.00K |
| Flash Flood | Jul 9, 2013 | 8.00K |
| Flash Flood | Jun 25, 2007 | 0.00K |
| Flash Flood | May 6, 2003 | — |
Flash Flood — Aug 16, 2025
Thunderstorms developed in a highly unstable environment along a lingering boundary from a MCS that moved through the night before. Weak flow led to slow moving storms, propagating slowly along an outflow boundary. With precipitable water exceeding 2 inches and high soil moisture, this led to flash flooding near the Savannah River.
Flash Flood — Aug 5, 2025
Anomalously high deep layer moisture over the area with strong moisture transport. Isentropic lift and favorable divergence aloft in the right entrance region of an upper level jet streak supported widespread rain which was moderate to heavy at times. This led to isolated flash flooding.
Tropical Storm — Sep 27, 2024
Tropical Storm Helene formed in the NW Caribbean Sea on September 24. Helene moved northward into the Gulf of Mexico where it strengthened into a hurricane on September 25. Helene made landfall as a major hurricane in the Big Bend area of Florida the night of September 26 before quickly moving inland into east central Georgia by early morning on September 27. Helene weakened to a strong tropica...
Tropical Storm — Sep 30, 2022
Ian first formed as Tropical Depression Nine in the Caribbean Sea on September 23,|2022. It moved west and northwest into the Western Caribbean and strengthened|into a hurricane. The cyclone turned to the north and crossed over the western tip|of Cuba on September 27th.||Ian strengthened into a major hurricane and moved NNE across the SE Gulf of Mexico,|and intensified into a high end categor...
Tropical Storm — Oct 10, 2018
An area of disturbed weather over the NW Caribbean Sea organized and became Tropical Depression #14 early on Sunday October 7th. The cyclone continued to organize while moving very slowly north, just east of the Yucatan peninsula, becoming Tropical Storm Michael on Sunday afternoon October 7th. The cyclone further developed while moving slowly north, reaching Hurricane status Monday morning...
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in McCormick County, South Carolina:
AE High Risk — 1% annual chance of flooding. Insurance required.
VE Very High Risk — Coastal flooding with wave action.
X (Shaded) Moderate Risk — 500-year floodplain.
X Low Risk — Outside major floodplains.
Properties in McCormick County, South Carolina that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.
Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.
Visit FloodSmart.gov to find an agent and get a quote.