PlainHazard

If you are in immediate danger, call 911.

The data below is historical (NOAA Storm Events / FEMA), not a live alert. For current warnings and evacuation orders, check the National Weather Service, Ready.gov, or FEMA.gov.

West Virginia · FEMA + NOAA + National Risk Index

Jefferson County, WV

19 FEMA disaster declarations (1972-2026), with a FEMA National Risk Index rating of Relatively Low. Most common hazard: Severe Storm.

19
FEMA declarations
13
Major disasters
48
NRI risk · Relatively Low
Severe Storm
Top hazard

The verdict

Jefferson County has a nationally busy FEMA history: 19 declarations, more than 41% of counties in this registry. But the state comparison tempers that reading: the total is 21% below the West Virginia county mean. FEMA's separate National Risk Index places the county safer than 48%; that score models loss and vulnerability rather than counting declarations.

Safer than 48%
of U.S. counties for FEMA National Risk Index score
Relatively Low
FEMA National Risk Index rating
19
FEMA declarations vs 21 national county avg
143
NFIP flood insurance claims filed

FEMA's National Risk Index and its declaration registry are separate measures. This county's registry includes Major Disaster (DR) and Emergency (EM) records; an EM authorizes a narrower set of federal assistance than a DR.

View my watchlist

FEMA OpenFEMA declaration desk

County FIPS 54037 · Jefferson County 19 declarations · rank 1823/3,266

DECL-MID · MAJOR-MID · RANK-LOWER · PHOTO-FINISH · NRI-LOW · ACT-HIGH · TYPE-LEAD · VS-ST-BELOW

  • DECL-MID 19
  • MAJOR-MID 68%
  • RANK-LOWER #1,823
  • PHOTO-FINISH Bartow
  • NRI-LOW 48
  • ACT-HIGH High
  • TYPE-LEAD Severe Storm
  • VS-ST-BELOW -21%

Nearest declaration peer: Bartow, GA (0 declaration gap)

FEMA Disaster Declarations Summaries v2 filing stamps for this county register. Read with this county → · West Virginia state profile

Jefferson County in the declaration-count neighbourhood

FEMA declaration records among Jefferson County and nearest peers by total count

declarations

What this shows Jefferson County carries 19 FEMA declaration records, ranked 1823 of 3,266 counties in this registry.

Source FEMA OpenFEMA Disaster Declarations Summaries v2 As of 2026-08-25

How Jefferson County's FEMA declaration count compares nationally

Jefferson County vs. all counties in this dataset

FEMA disaster declarations, all-time · Jefferson County

19 41st percentile higher than 41% of 3,266 counties

This county 0 90 all U.S. counties FEMA tracks, bucketed by value

Each bar is a band; taller bars hold more counties. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source FEMA Disaster Declarations Summaries v2 · 2026-08-25

Jefferson County's FEMA Risk Index score

0/100100/100West Virginia avg49/10047.8/100
FEMA National Risk Index composite score vs. the West Virginia county average

Which hazard drives modeled loss here?

FEMA's modeled annual dollar loss for Jefferson County is led by Riverine Flooding (about $12.8M Expected Annual Loss, Historical Loss Ratio Relatively Moderate), while Drought carries the highest National Risk Index rating (Relatively Moderate). EAL and risk score use different inputs; they need not agree.

Source: FEMA National Risk Index (December 2025 release) - Expected Annual Loss vs composite risk rating by hazard.

What does Jefferson County's hazard record show?

Reading the federal records together

The NFIP claims register shows a middle-volume loss record here: 143 paid claims, totaling $1.8M. PlainHazard uses 50-499 claims for this descriptive band; FEMA does not publish it as a safety or coverage category. The $12.3K average describes payments on recorded claims only, leaving uninsured damage and properties without a claim outside the measure.

Start with the state benchmark: a West Virginia county averages 24.2 federal declaration records, while Jefferson County has 19. The gap is 21% below that mean. Fewer entries indicate a quieter history of recorded federal actions, not immunity from a hazard and not a prediction about what happens next.

FEMA National Risk Index

FEMA's data shows an elevated National Risk Index composite of 47.8/100 for this county (Relatively Low rating). Expected Annual Loss comes in at Relatively Low (roughly $18.7M in annualized losses). Social vulnerability (Very Low) and community resilience (Relatively Moderate) both factor into how that raw exposure plays out on the ground. Among the 18 modeled hazards, Drought carries the county's highest rating, a mid-range Relatively Moderate. FEMA's modeled frequency puts that hazard at 4.4 modeled event-days per year here, based on 126 historical events on record.

56 /100

Historical Activity Index

High historical activity

Jefferson County, WV · PlainHazard-derived composite from federal records

This 0–100 index is an explicit PlainHazard composite from FEMA declaration history only on the county surface (this DB has no county-level NOAA damage row) . It is not FEMA's National Risk Index, not a forecast, and not a safety, insurance, or preparedness rating. Open the calculator · Methodology

FEMA Declarations (1953–present) Moderate
14/30

19 OpenFEMA declarations, full ingest window (0.9x national county average)

County Disaster Density Moderate
10/25

19 declarations (0.8x state county average of 24)

Major Disaster Share High
17/25

13 of 19 declarations are major disasters (68%)

Hazard Diversity Very High
15/20

6 different disaster types declared in Jefferson County

FEMA NRI 8-hazard radar - Jefferson County

Jefferson County NRI risk profile 8-axis FEMA National Risk Index radar showing per-hazard scores for Earthquake 25, Flood 25, Hurricane 25, Tornado 25, Wildfire 8, Drought 48, Heat Wave 25, Winter Storm 25. The simple mean of these eight displayed scores is 26 of 100. Earthquake Flood Hurricane Tornado Wildfire Drought Heat Wave Winter Storm 26 8-hazard mean
Jefferson County NRI risk profile FIPS 54037 · displayed-hazard mean 26/100
How to read this radar

Each axis: NRI risk rating (Very Low-Very High) on a 0-100 scale. Rounder = broad exposure; spiky = one or two hazards dominate.

FEMA Records

19

Below median

Major Disaster share

68%

Major-heavy

NRI risk score

48

Relatively Low

Source: FEMA National Risk Index Per-county per-hazard ratings, December 2025 release

How often does each hazard strike Jefferson County?

FEMA's National Risk Index models a historical event count and an annualized frequency for each hazard type. Most hazards are expressed as modeled occurrences per year; FEMA expresses drought and heat-wave frequency as event-days per year. These modeled frequencies are not forecasts.

Hazard NRI Risk Rating Recurrence
Drought Relatively Moderate 4.4 modeled event-days per year
Hurricane Relatively Low roughly once every 11 years
Strong Wind Relatively Moderate an average of 7.1 times per year
Riverine Flooding Relatively Low an average of 1.9 times per year
Earthquake Relatively Low roughly once every 875 years
Heat Wave Relatively Low 3.7 modeled event-days per year
Winter Weather Relatively Low an average of 13 times per year
Landslide Very Low roughly once every 8 years
Lightning Relatively Low an average of 38 times per year
Hail Relatively Low an average of 3.7 times per year
Tornado Relatively Low roughly once every 8 years
Wildfire Very Low roughly once every 3,008 years
Avalanche Very Low roughly once every 100 years
Ice Storm Very Low roughly once every 2 years
Cold Wave Very Low an average of 1.8 times per year

Source: FEMA National Risk Index Modeled annualized frequency; drought and heat wave use event-days/year, December 2025 release

Disaster Types

Severe Storm 6
Snowstorm 4
Hurricane 3
Flood 3
Biological 2
Winter Storm 1

What Severe Storm declarations mean here

Severe Storm is the most frequent declaration type on Jefferson County's record, 32% of its declarations. In FEMA's vocabulary this covers convective weather: thunderstorm straight-line winds, large hail, and the multi-day outbreaks that often carry embedded tornadoes. Activity is heaviest in spring and summer, though the season varies by region.

These events behave differently from a hurricane on paper. Damage tends to be distributed along a storm track rather than concentrated on a coastline, and a declaration typically follows an outbreak that crossed several counties over a few days, not a single point of impact. Because the qualifying threshold is the cost of uninsured public and individual losses rather than storm intensity, two similar storms can produce a declaration in one year and none in another.

Declaration counts describe past federal action. They are a record of what was declared, not a forecast of future hazard probability.

Declaration Types

What DR / EM / FM mean

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

Major Disaster - 13 68.4%

of all 19 declarations

Emergency - 6 31.6%

of all 19 declarations

FEMA Declarations Timeline

Year Declarations
2026 1
2020 2
2018 1
2013 1
2012 2
2010 2
2008 1
2005 1
2003 2
1996 3
1993 1
1986 1
1972 1

Disaster Declarations

How the 19 FEMA declarations break into federal action codes (DR / EM / FM). Same DISTINCT grain as the table below.

Download these 19 declarations as CSV . FEMA source data is public domain; our derived presentation is CC0.

DR# Title Type Incident Date
3639 SEVERE WINTER STORM EM Winter Storm 2026-01-24
4517 COVID-19 PANDEMIC DR Biological 2020-04-03
3450 COVID-19 EM Biological 2020-03-13
4378 SEVERE STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES DR Severe Storm 2018-07-12
3358 HURRICANE SANDY EM Hurricane 2012-10-29
4071 SEVERE STORMS AND STRAIGHT-LINE WINDS DR Severe Storm 2012-07-23
3345 SEVERE STORMS EM Severe Storm 2012-06-30
1903 SEVERE WINTER STORMS AND SNOWSTORMS DR Snowstorm 2010-04-23
1881 SEVERE WINTER STORM AND SNOWSTORM DR Snowstorm 2010-03-02
1769 SEVERE STORMS, TORNADOES, FLOODING, MUDSLIDES, AND DR Severe Storm 2008-06-19
3221 HURRICANE KATRINA EVACUATION EM Hurricane 2005-09-05
1496 HURRICANE ISABEL DR Hurricane 2003-09-23
1455 SEVERE WINTER STORM, RECORD/NEAR RECORD SNOW, HEAVY RAINS, FLOODING AND LANDSLIDES DR Severe Storm 2003-03-14
1137 HURRICANE FRAN AND ASSOCIATED HEAVY RAINS,FLOODING HIGHWIND DR Severe Storm 1996-09-11
1096 FLOODING DR Flood 1996-01-25
1084 BLIZZARD OF 96 (SEVERE SNOW STORM) DR Snowstorm 1996-01-13
3109 SEVERE SNOWFALL & WINTER STORM EM Snowstorm 1993-03-17
753 SEVERE STORMS & FLOODING DR Flood 1985-11-07
344 TROPICAL STORM AGNES DR Flood 1972-07-03

Storm Events in West Virginia

Statewide NOAA context only. PlainHazard does not currently attribute these state totals to Jefferson County.

Storm Type Events Fatalities Injuries Property Damage
Thunderstorm Wind 3,644 4 9 $16.4M
Winter Weather 1,939 0 22 $1.3M
Flood 1,127 13 0 $109.0M
Flash Flood 1,003 33 1 $141.5M
Hail 757 1 0 $6.5M

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

NFIP Flood Insurance Claims

Total Claims

143

Total Paid

$1.8M

Avg Per Claim

$12.3K

Source: FEMA National Flood Insurance Program (NFIP) OpenFEMA Claims Data

FEMA National Risk Index

Overall Risk

Relatively Low

Score: 47.8/100

Expected Annual Loss

Relatively Low

$18.7M/year

Social Vulnerability

Very Low

Community Resilience

Relatively Moderate

Hazard Risk Breakdown

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

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

The model's sharpest exposure here: Drought

Drought is the slowest of the modeled hazards and the least visible: it does its damage to agriculture, water supply and soil over seasons rather than hours, so it rarely produces the kind of single-day damage that drives a disaster declaration. FEMA scores it in event-days per year rather than discrete events for exactly that reason.

Worth noting for Jefferson County: the model and the federal record do NOT point at the same hazard. Drought carries the highest modeled rating (Relatively Moderate), while the county's declaration history is led by Severe Storm. That is not a contradiction, the two measure genuinely different things. Declarations record federal ACTION, which requires damage costly enough to exceed state and local capacity; the Risk Index models EXPECTED annual loss across all 18 hazards whether or not any declaration ever followed. A hazard can be the county's largest modeled exposure and never once have driven a declaration.

National Risk Index ratings are modeled estimates of expected annual loss, not predictions of what will happen in any given year.

Data-matched county comparisons

Jefferson County's closest FEMA peer: Lebanon County, PA

Comparisons use published FEMA declaration fields plus the National Risk Index composite for Jefferson County. Record similarity, not a safety rating.

How these peers are chosen

Cohort: Published U.S. county equivalents outside the source state or territory. Each metric keeps six ETL candidates; three unique destinations are shown after de-duplicating across axes. Declaration-volume ranking combines count and Major-disaster share and prefers a different leading incident type; Major-share ranks the Major fraction adjusted for volume; NRI ranks the modeled composite score only.

Retained FEMA snapshot feed for Jefferson County - capture-dated entries only.

Compare beyond this state

Nationwide peers by NRI score & FEMA declaration volume

Two PlainHazard-derived comparison paths for Jefferson County: nearest out-of-state National Risk Index composite and nearest FEMA declaration count (floor ≥5 records). Record similarity only, not a forecast of the next hazard.

Further reading for this county

Understanding disaster data

Jefferson County's NFIP claims file (143 claims) and FEMA declaration history measure different federal records - this guide separates them from modeled NRI risk.

More PlainHazard guides

Frequently Asked Questions

What is the most common disaster type in Jefferson County?
The most common disaster type in Jefferson County is Severe Storm, with 6 declarations. Other disaster types include Snowstorm (4), Hurricane (3), Flood (3).
How does Jefferson County's FEMA declaration record compare with the West Virginia average?
The typical West Virginia county has 24.2 FEMA declaration records; Jefferson County has 19, or 21% fewer. Against the national county mean of 20.7, this county's total is 8% lower. The comparison is historical and says nothing about the probability of a future event.
How many major FEMA disaster declarations has Jefferson County received?
Jefferson County has received 13 major disaster declarations, representing 68% of all 19 disaster declarations.
How many flood insurance claims has Jefferson County filed?
Jefferson County has 143 National Flood Insurance Program (NFIP) claims totaling $1.8M in payments, with an average of $12.3K per claim.
Does FEMA's top risk-rated hazard match the highest Expected Annual Loss in Jefferson County?
No. In Jefferson County, Drought has the highest National Risk Index rating (Relatively Moderate), while Riverine Flooding leads Expected Annual Loss at about $12.8M. FEMA's risk score and dollar-loss model use different inputs, so the leaders often differ.
What was the worst year for disasters in Jefferson County?
The most active year for disaster declarations in Jefferson County was 1996, with 3 declarations. The county has FEMA disaster data spanning 1972 to 2026.
What is the FEMA National Risk Index score for Jefferson County?
According to the FEMA National Risk Index, Jefferson County, West Virginia has an overall risk score of 47.8 out of 100 (Relatively Low). Social vulnerability here rates Very Low, while community resilience comes in at Relatively Moderate. The Expected Annual Loss (EAL) score is Relatively Low, representing $18.7M in annualized losses.
Which natural hazard poses the greatest risk to Jefferson County?
The top hazard flagged by FEMA's NRI for Jefferson County as of the latest release is Drought (risk rating: Relatively Moderate). Other significant hazards include Hurricane (Relatively Low) and Strong Wind (Relatively Moderate). FEMA's modeled event frequency puts drought here at 4.4 modeled event-days per year, drawn from 126 historical events on record. The underlying methodology weighs historical event frequency against 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.

Flood insurance data comes from the FEMA National Flood Insurance Program (NFIP) OpenFEMA claims dataset.

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.

FEMA OpenFEMA declarations + NRI for Jefferson County · vintage 2026-08-25 · Methodology · West Virginia profile · Verify with FEMA OpenFEMA · Verify with NOAA Storm Events