Riverdale, GA
Local storm history & FEMA National Risk Index data
Riverdale 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 Clayton County, GA. The county's highest-rated hazards are tornado, hail, and lightning.
Storm events near Riverdale
NOAA-recorded tornado, hail, and flood events within 25 miles of Riverdale's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Riverdale 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 Clayton County's FEMA National Risk Index scores, covering Riverdale along with the rest of the county, not a Riverdale-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 34.4 | Very Low |
| Inland Flooding | 87.8 | Relatively Moderate |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 84.9 | Relatively Low |
| Heat Wave | 83.8 | Relatively Moderate |
| Tornado | 95.8 | Relatively High |
| Avalanche | — | Not Applicable |
| Cold Wave | 89.7 | Relatively High |
| Drought | 0 | No Rating |
| Hail | 93.5 | Relatively Moderate |
| Hurricane | 64.1 | Relatively Low |
| Ice Storm | 85.4 | Relatively High |
| Landslide | 26.9 | Very Low |
| Lightning | 90 | Relatively High |
| Strong Wind | 89.4 | Relatively High |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 30.9 | Relatively Low |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Clayton County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Clayton County:
More on Clayton County:
Frequently asked questions
What natural hazards is Riverdale, GA at risk of?
Riverdale 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 Clayton County, where Riverdale is located, are tornado, hail, and lightning.
What is Riverdale's biggest natural hazard risk?
Tornado is the highest-rated hazard for Clayton County, where Riverdale is located, scoring 95.8 out of 100 on FEMA's National Risk Index (rated "Relatively High").
Is Riverdale a high-risk area for natural disasters?
Somewhat — Riverdale 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 Clayton County.
Has Riverdale had tornadoes, hail, or flooding?
NOAA has recorded 52 tornado, 78 hail, 83 inland flooding events within 25 miles of Riverdale since 2016.