Florence, SC
Local storm history & FEMA National Risk Index data
Florence is rated Relatively Moderate for overall natural hazard risk — near the middle compared to other US counties — based on FEMA's National Risk Index for Florence County, SC. The county's highest-rated hazards are hurricane, tornado, and earthquake.
Storm events near Florence
NOAA-recorded tornado, hail, and flood events within 25 miles of Florence's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Florence itself, not the whole county.
County-wide hazard risk
Every other hazard FEMA and NOAA track — including drought — is only scored at the county level. These are Florence County's FEMA National Risk Index scores, covering Florence along with the rest of the county, not a Florence-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 86.5 | Relatively Low |
| Inland Flooding | 82.6 | Relatively Moderate |
| Coastal Flooding | 0 | No Rating |
| Earthquake | 92.8 | Relatively Moderate |
| Heat Wave | 92 | Relatively Moderate |
| Tornado | 94.6 | Relatively High |
| Avalanche | — | Not Applicable |
| Cold Wave | 68.4 | Relatively Moderate |
| Drought | 49.1 | Relatively Low |
| Hail | 91 | Relatively Moderate |
| Hurricane | 96 | Relatively High |
| Ice Storm | 87.7 | Relatively High |
| Landslide | 39.2 | Very Low |
| Lightning | 85.6 | Relatively High |
| Strong Wind | 73.9 | Relatively Moderate |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 78.1 | Relatively Moderate |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Florence County risk profile for disaster declarations, social vulnerability, and climate projection data.
More on Florence County:
Frequently asked questions
What natural hazards is Florence, SC at risk of?
Florence is rated Relatively Moderate for overall natural hazard risk by FEMA's National Risk Index — near the middle compared to other US counties. The highest-rated hazards for Florence County, where Florence is located, are hurricane, tornado, and earthquake.
What is Florence's biggest natural hazard risk?
Hurricane is the highest-rated hazard for Florence County, where Florence is located, scoring 96 out of 100 on FEMA's National Risk Index (rated "Relatively High").
Is Florence a high-risk area for natural disasters?
Somewhat — Florence carries near the middle compared to other US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Moderate" for Florence County.
Has Florence had tornadoes, hail, or flooding?
NOAA has recorded 10 tornado, 39 hail, 42 inland flooding events within 25 miles of Florence since 2016.