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Virginia · FEMA + NOAA + National Risk Index

Hanover County, VA

3 FEMA disaster declarations (2021–2026), with a FEMA National Risk Index rating of Relatively Low. Most common hazard: Winter Storm.

3
FEMA declarations
2
Major disasters
53
NRI risk · Relatively Low
Winter Storm
Top hazard

FEMA's National Risk Index places Hanover County in the top 47% of U.S. counties for overall natural-hazard risk, and its FEMA disaster-declaration count is higher than 42% of all 2,729 counties tracked.

How does Hanover County compare?

Hanover County
3
Virginia county avg
2.2
National county avg
3.7

How disaster-prone is Hanover County?

Hanover County, Virginia has recorded 3 FEMA disaster declarations between 2021 and 2026, of which 2 were classified as Major Disaster declarations (DR) requiring federal individual and public assistance. That puts the county's average at 0.6 declarations per year across a 5-year record, or roughly 36% above the Virginia county average of 2.2 and 20% below the national county average of 3.7.

The dominant disaster type on record is Winter Storm, with 1 of 3 declarations falling under this category. This county carries a high composite score on FEMA's National Risk Index, 53.5/100, rated Relatively Low. Its Expected Annual Loss rating is Relatively Low (roughly $28.5M in annualized losses), and a Very Low social-vulnerability profile combined with Very High community resilience shapes how much of that raw exposure becomes realized harm. Of the 18 hazards FEMA models, Drought stands out as the sharpest exposure here, rated Relatively High.

Taken together, Hanover County reads as low relative risk on this historical lens, fewer federally recognized disasters than a typical U.S. county.

Risk Assessment

Risk Level

Low

vs. Virginia Avg

+36%

State avg: 2.2

vs. National Avg

-20%

National avg: 3.7

Avg Per Year

0.6

Over 5 years

FEMA NRI 8-hazard radar - Hanover County

Hanover County NRI risk profile 8-axis FEMA National Risk Index radar showing per-hazard composite scores for Earthquake 25, Flood 8, Hurricane 25, Tornado 25, Wildfire 8, Drought 70, Heat Wave 25, Winter Storm 48. Overall composite 29 of 100, classified Moderate. Earthquake Flood Hurricane Tornado Wildfire Drought Heat Wave Winter Storm 29 composite
Hanover County NRI risk profile FIPS 51085 · composite 29/100 (Moderate)
How to read this radar

The radar plots Hanover County's relative exposure to the eight headline natural hazards used by the FEMA National Risk Index. Each axis is the qualitative NRI risk rating (Very Low through Very High) re-expressed on a 0-100 scale so that the polygon shape lets you compare a county against another at a glance. A rounder polygon means broad multi-hazard exposure; a spiky polygon means one or two dominant hazards drive most of the modeled risk.

FEMA Records

3

Total declarations

NRI Source

FEMA 2023

Latest NRI release

County FIPS

51085

VA state code

Source: FEMA National Risk Index FEMA National Risk Index Per-county per-hazard ratings, 2023 release

Disaster Types

Winter Storm 1
Severe Storm 1
Severe Ice Storm 1

Declaration Types

What DR / EM / FM mean

FEMA categorizes declarations as Major Disasters (DR), Emergencies (EM), or Fire Management Assistance (FM).

Major Disaster - 2 66.7%

of all 3 declarations

Emergency - 1 33.3%

of all 3 declarations

FEMA Declarations Timeline

Year Declarations
2026 1
2022 1
2021 1

Disaster Declarations

DR# Title Type Incident Date
3631 SEVERE WINTER STORM EM Winter Storm 2026-01-23
4644 SEVERE WINTER STORM AND SNOWSTORM DR Severe Storm 2022-03-11
4602 SEVERE WINTER STORMS DR Severe Ice Storm 2021-05-10

Storm Events in Virginia

Storm Type Events Fatalities Injuries Property Damage
Thunderstorm Wind 10,036 15 34 $128.5M
Flash Flood 2,427 15 4 $261.2M
Flood 2,400 4 0 $85.1M
Winter Weather 2,286 6 32 $903.0K
Winter Storm 1,583 5 6 $3.5M

Source: NOAA Storm Events Database NOAA Storm Events Database State-level aggregated data, 2015–2025

FEMA National Risk Index

Overall Risk

Relatively Low

Score: 53.5/100

Expected Annual Loss

Relatively Low

$28.5M/year

Social Vulnerability

Very Low

Community Resilience

Very High

Hazard Risk Breakdown

Drought Relatively High
Earthquake Relatively Low
Hurricane Relatively Low
Ice Storm Relatively Moderate
Heat Wave Relatively Low
Lightning Relatively Moderate
Tornado Relatively Low
Strong Wind Relatively Low
Hail Relatively Low
Landslide Very Low
Wildfire Very Low
Winter Weather Relatively Low
Coastal Flooding Very Low
Avalanche Very Low
Cold Wave Very Low

Source: FEMA National Risk Index (NRI) FEMA National Risk Index (NRI) Ratings reflect relative scores among all US counties. Data: hazards.fema.gov/nri

Counties with Similar Risk in Virginia

Frequently Asked Questions

How many natural disasters has Hanover County, Virginia had?
Hanover County, Virginia has received 3 FEMA disaster declarations from 2021 to 2026. Of these, 2 were major disaster declarations.
What is the most common disaster type in Hanover County?
The most common disaster type in Hanover County is Winter Storm, with 1 declaration. Other disaster types include Severe Storm (1), Severe Ice Storm (1).
How does Hanover County's disaster risk compare to the Virginia average?
Hanover County has 3 disaster declarations, which is 36% higher than the Virginia county average of 2.2 declarations. Compared to the national county average of 3.7, it is 20% lower.
How many major FEMA disaster declarations has Hanover County received?
Hanover County has received 2 major disaster declarations, representing 67% of all 3 disaster declarations. Major disaster declarations typically involve significant damage requiring federal assistance.
What types of storms are most common in Virginia?
The most common storm types in Virginia include Thunderstorm Wind (10,036 events), Flash Flood (2,427 events), Flood (2,400 events). NOAA storm event data covers severe weather from 2015 to 2025.
What was the worst year for disasters in Hanover County?
The most active year for disaster declarations in Hanover County was 2021, with 1 declaration. The county has FEMA disaster data spanning 2021 to 2026.
What is the overall disaster risk level for Hanover County?
Hanover County's 3 FEMA disaster declarations put it in the low-risk band, fewer federally recognized disasters than a typical U.S. county over the same span.
What is the FEMA National Risk Index score for Hanover County?
According to the FEMA National Risk Index, Hanover County, Virginia has an overall risk score of 53.5 out of 100 (Relatively Low). The county's social vulnerability rating is Very Low and community resilience is Very High. The Expected Annual Loss (EAL) score is Relatively Low, representing $28.5M in annualized losses.
Which natural hazard poses the greatest risk to Hanover County?
Based on FEMA NRI data, the highest-risk natural hazard in Hanover County is Drought (risk rating: Relatively High). Other significant hazards include Earthquake (Relatively Low) and Hurricane (Relatively Low). These scores are based on FEMA's analysis of historical event frequency, exposed assets, and community vulnerability.
Data Sources & Methodology

Disaster declaration data comes from the FEMA OpenFEMA Disaster Declarations Summaries v2 API, which includes all federally declared disasters, emergencies, and fire management assistance grants.

Storm event data is sourced from the NOAA Storm Events Database (2015–2025), which tracks significant weather events including thunderstorms, tornadoes, floods, and winter storms.

This data is provided for informational purposes only. FEMA disaster declarations represent federal response actions and may not capture all local emergencies or weather events.

What this means for Hanover County

Hanover County, VA has 3 FEMA disaster declarations on record, a low historical disaster load, 36% above the Virginia county average.

  • Its most common federal declaration type is major disaster (2 of 3) - know the hazards most likely here before they happen. Virginia overview
  • See how this county ranks against the rest of the country for disaster frequency. Most-disaster rankings
  • Read how to read FEMA declarations, NRI risk scores, and what they do and don't tell you. Disaster-data guide

Historical declaration counts describe past federal response, not a forecast. For current threats, follow the National Weather Service and local officials; in an emergency call 911.

All federal data sources used on this page
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainHazard Editorial

Verify with FEMA → · Verify with FEMA NRI → · Verify with NOAA →

Every figure on PlainHazard is rendered directly from FEMA federal disaster data, no number is typed in by an editor. This page draws directly on FEMA federal disaster data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.