Manassas, VA
Local storm history & FEMA National Risk Index data
Manassas is rated Very Low for overall natural hazard risk — among the lowest-risk counties in the country — based on FEMA's National Risk Index for Manassas, VA. The county's highest-rated hazards are hurricane, heat wave, and earthquake.
Storm events near Manassas
NOAA-recorded tornado, hail, and flood events within 25 miles of Manassas's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Manassas 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 Manassas's FEMA National Risk Index scores, covering Manassas along with the rest of the county, not a Manassas-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 0.8 | Very Low |
| Inland Flooding | 31.7 | Very Low |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 55.9 | Very Low |
| Heat Wave | 58.2 | Relatively Low |
| Tornado | 28.5 | Relatively Low |
| Avalanche | — | Not Applicable |
| Cold Wave | 9.8 | Very Low |
| Drought | 0 | No Rating |
| Hail | 26.3 | Very Low |
| Hurricane | 65.2 | Relatively Low |
| Ice Storm | 17.2 | Very Low |
| Landslide | 2 | Very Low |
| Lightning | 54.5 | Relatively Low |
| Strong Wind | 47.9 | Relatively Low |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 41.5 | Relatively Low |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Manassas risk profile for disaster declarations, social vulnerability, and climate projection data.
More on Manassas:
Frequently asked questions
What natural hazards is Manassas, VA at risk of?
Manassas is rated Very Low for overall natural hazard risk by FEMA's National Risk Index — among the lowest-risk counties in the country. The highest-rated hazards for Manassas, where Manassas is located, are hurricane, heat wave, and earthquake.
What is Manassas's biggest natural hazard risk?
Hurricane is the highest-rated hazard for Manassas, where Manassas is located, scoring 65.2 out of 100 on FEMA's National Risk Index (rated "Relatively Low").
Is Manassas a high-risk area for natural disasters?
No — Manassas carries among the lowest-risk counties in the country for overall natural hazard risk, per FEMA's National Risk Index rating of "Very Low" for Manassas.
Has Manassas had tornadoes, hail, or flooding?
NOAA has recorded 15 tornado, 131 hail, 832 inland flooding events within 25 miles of Manassas since 2016.