Dover, NJ
Local storm history & FEMA National Risk Index data
Dover 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 Morris County, NJ. The county's highest-rated hazards are strong wind, winter weather, and inland flooding.
Storm events near Dover
NOAA-recorded tornado, hail, and flood events within 25 miles of Dover's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Dover 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 Morris County's FEMA National Risk Index scores, covering Dover along with the rest of the county, not a Dover-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 30 | Very Low |
| Inland Flooding | 96.3 | Relatively High |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 88.8 | Relatively Low |
| Heat Wave | 89.2 | Relatively Moderate |
| Tornado | 79.9 | Relatively Moderate |
| Avalanche | 16.7 | Very Low |
| Cold Wave | 93.1 | Relatively High |
| Drought | 66.8 | Relatively Moderate |
| Hail | 22 | Very Low |
| Hurricane | 85.2 | Relatively Moderate |
| Ice Storm | 59.6 | Relatively Low |
| Landslide | 74 | Relatively Low |
| Lightning | 90.6 | Relatively High |
| Strong Wind | 96.7 | Relatively High |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 96.5 | Very High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Morris County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Morris County:
More on Morris County:
Frequently asked questions
What natural hazards is Dover, NJ at risk of?
Dover 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 Morris County, where Dover is located, are strong wind, winter weather, and inland flooding.
What is Dover's biggest natural hazard risk?
Strong Wind is the highest-rated hazard for Morris County, where Dover is located, scoring 96.7 out of 100 on FEMA's National Risk Index (rated "Relatively High").
Is Dover a high-risk area for natural disasters?
Somewhat — Dover 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 Morris County.
Has Dover had tornadoes, hail, or flooding?
NOAA has recorded 7 tornado, 75 hail, 432 inland flooding events within 25 miles of Dover since 2016.