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Arkansas · FEMA + NOAA + National Risk Index

Ouachita County, AR

28 FEMA disaster declarations (1979-2026), with a FEMA National Risk Index rating of Relatively Low. Most common hazard: Severe Storm.

28
FEMA declarations
22
Major disasters
51
NRI risk · Relatively Low
Severe Storm
Top hazard

The verdict

Two federal records point in the busier direction for Ouachita County. Its 28 FEMA declarations are 16% above the Arkansas county mean and exceed the count for 81% of the 3,266 counties in this registry. Separately, FEMA's National Risk Index places it in the riskiest 49%, based on modeled expected annual loss, social vulnerability, and community resilience.

Riskiest 49%
of U.S. counties for FEMA National Risk Index score
Relatively Low
FEMA National Risk Index rating
28
FEMA declarations vs 21 national county avg
91
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.

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FEMA OpenFEMA declaration desk

County FIPS 05103 · Ouachita County 28 declarations · rank 555/3,266

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

  • DECL-HEAVY 28
  • MAJOR-MID 79%
  • RANK-MID #555
  • PHOTO-FINISH Loíza
  • NRI-LOW 51
  • ACT-HIGH High
  • TYPE-LEAD Severe Storm
  • VS-ST-ABOVE +16%

Nearest declaration peer: Loíza, PR (0 declaration gap)

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

Ouachita County among high-volume declaration counties

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

declarations

What this shows Ouachita County carries 28 FEMA declaration records, ranked 555 of 3,266 counties in this registry.

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

Where Ouachita County ranks in the national declaration registry

Ouachita County vs. high-volume counties in this registry

FEMA disaster declarations, all-time · Ouachita County

28 Top 19% higher than 81% 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

Ouachita County's FEMA Risk Index score

0/100100/100Arkansas avg56/10051.2/100
FEMA National Risk Index composite score vs. the Arkansas county average

Which hazard drives modeled loss here?

FEMA's modeled annual dollar loss for Ouachita County is led by Riverine Flooding (about $4.5M Expected Annual Loss, Historical Loss Ratio Relatively Low), while Ice Storm carries the highest National Risk Index rating (Relatively High). 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 Ouachita County's hazard record show?

Reading the federal records together

The NFIP claims register shows a middle-volume loss record here: 91 paid claims, totaling $1.5M. PlainHazard uses 50-499 claims for this descriptive band; FEMA does not publish it as a safety or coverage category. The $16.7K average describes payments on recorded claims only, leaving uninsured damage and properties without a claim outside the measure.

The declaration register points in the busier direction. Ouachita County's 28 federal records stand 16% above the Arkansas county mean of 24.2. That comparison describes how often federal action was recorded, including any Major Disaster, Emergency, and Fire Management entries shown on this page; it does not convert the count into future probability.

FEMA National Risk Index

This county carries a high composite score on FEMA's National Risk Index, 51.2/100, rated Relatively Low. Its Expected Annual Loss rating is Very Low (roughly $10.4M in annualized losses), and a Very High social-vulnerability profile combined with Relatively Low community resilience shapes how much of that raw exposure becomes realized harm. Of the 18 hazards FEMA models, Ice Storm stands out as the sharpest exposure here, rated Relatively High. FEMA's modeled frequency puts that hazard at roughly once every 1 years here, based on 67 historical events on record.

74 /100

Historical Activity Index

High historical activity

Ouachita County, AR · 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) High
20/30

28 OpenFEMA declarations, full ingest window (1.4x national county average)

County Disaster Density High
14/25

28 declarations (1.2x state county average of 24)

Major Disaster Share Very High
20/25

22 of 28 declarations are major disasters (79%)

Hazard Diversity Very High
20/20

8 different disaster types declared in Ouachita County

FEMA NRI 8-hazard radar - Ouachita County

Ouachita County NRI risk profile 8-axis FEMA National Risk Index radar showing per-hazard scores for Earthquake 25, Flood 25, Hurricane 8, Tornado 48, Wildfire 8, Drought 8, Heat Wave 25, Winter Storm 70. The simple mean of these eight displayed scores is 27 of 100. Earthquake Flood Hurricane Tornado Wildfire Drought Heat Wave Winter Storm 27 8-hazard mean
Ouachita County NRI risk profile FIPS 05103 · displayed-hazard mean 27/100
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

28

High volume

Major Disaster share

79%

Mostly major

NRI risk score

51

Relatively Low

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

How often does each hazard strike Ouachita 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
Ice Storm Relatively High roughly once every 1 years
Strong Wind Relatively Moderate an average of 3.7 times per year
Earthquake Relatively Low roughly once every 375 years
Heat Wave Relatively Low 19 modeled event-days per year
Hail Relatively Moderate an average of 4.3 times per year
Tornado Relatively Moderate roughly once every 2 years
Lightning Relatively Moderate an average of 65 times per year
Landslide Very Low roughly once every 3 years
Hurricane Very Low roughly once every 24 years
Riverine Flooding Relatively Low an average of 4.1 times per year
Winter Weather Relatively Low an average of 3.7 times per year
Wildfire Very Low roughly once every 3,490 years
Drought Very Low 14 modeled event-days per year
Cold Wave Very Low roughly once every 2 years

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

Disaster Types

Severe Storm 11
Flood 5
Tornado 3
Winter Storm 2
Hurricane 2
Biological 2
Severe Ice Storm 2
Snowstorm 1

What Severe Storm declarations mean here

Severe Storm is the most frequent declaration type on Ouachita County's record, 39% 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 - 22 78.6%

of all 28 declarations

Emergency - 6 21.4%

of all 28 declarations

FEMA Declarations Timeline

Year Declarations
2026 1
2025 2
2023 1
2020 4
2017 1
2016 2
2015 1
2010 2
2009 1
2005 1
2004 1
2001 3
1997 1
1994 1
1992 1
Show 5 earlier declaration years
1991 1
1990 1
1989 1
1988 1
1979 1

Disaster Declarations

How the 28 FEMA declarations break into federal action codes (DR / EM / FM). Same DISTINCT grain as the table below.

Download these 28 declarations as CSV . FEMA source data is public domain; our derived presentation is CC0.

DR# Title Type Incident Date
3636 SEVERE WINTER STORM EM Winter Storm 2026-01-24
4873 SEVERE STORMS, TORNADOES, AND FLOODING DR Flood 2025-05-21
3627 SEVERE STORMS, TORNADOES, AND FLOODING EM Severe Storm 2025-04-05
4700 SEVERE WINTER STORM DR Winter Storm 2023-04-04
3541 HURRICANE LAURA EM Hurricane 2020-08-27
4556 SEVERE STORMS AND STRAIGHT-LINE WINDS DR Tornado 2020-07-10
4518 COVID-19 PANDEMIC DR Biological 2020-04-03
3461 COVID-19 EM Biological 2020-03-13
4318 SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING DR Severe Storm 2017-06-15
4270 SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING DR Severe Storm 2016-05-06
4254 SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING DR Severe Storm 2016-02-05
4226 SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING DR Severe Storm 2015-06-26
1872 SEVERE STORMS AND FLOODING DR Severe Storm 2010-02-04
1861 SEVERE STORMS, TORNADOES, AND FLOODING DR Severe Storm 2009-12-03
1845 SEVERE STORMS, TORNADOES, AND FLOODING DR Severe Storm 2009-06-16
3215 HURRICANE KATRINA EVACUATION EM Hurricane 2005-09-02
1528 SEVERE STORMS AND FLOODING DR Severe Storm 2004-06-30
1363 SEVERE STORMS AND FLOODING DR Severe Storm 2001-03-13
1354 SEVERE WINTER ICE STORM DR Severe Ice Storm 2000-12-29
3159 SEVERE WINTER ICE STORM EM Severe Ice Storm 2000-12-28
Show 8 earlier declaration records
DR# Title Type Incident Date
1176 FLOODING, SEVERE STORMS DR Flood 1997-04-14
1011 SEVERE WINTER ICE STORM DR Snowstorm 1994-02-28
950 SEVERE THUNDERSTORMS DR Severe Storm 1992-07-24
907 SEVERE STORMS & FLOODING DR Flood 1991-05-30
865 SEVERE STORMS & FLOODING DR Flood 1990-05-15
817 SEVERE STORMS & TORNADOES DR Tornado 1988-11-23
807 SEVERE STORMS & FLOODING DR Flood 1987-12-31
574 TORNADO DR Tornado 1979-04-11

Storm Events in Arkansas

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

Storm Type Events Fatalities Injuries Property Damage
Thunderstorm Wind 3,657 10 23 $60.9M
Hail 2,230 0 0 $7.7M
Flash Flood 1,517 12 3 $15.9M
Heat 1,222 2 325 $0
Flood 1,152 9 0 $40.2M

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

NFIP Flood Insurance Claims

Total Claims

91

Total Paid

$1.5M

Avg Per Claim

$16.7K

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

FEMA National Risk Index

Overall Risk

Relatively Low

Score: 51.2/100

Expected Annual Loss

Very Low

$10.4M/year

Social Vulnerability

Very High

Community Resilience

Relatively Low

Hazard Risk Breakdown

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

Ice storms load power lines and tree limbs with accumulating freezing rain until they fail. The characteristic cost is infrastructure and multi-day power loss across a wide area rather than structural damage to buildings, which is why their consequences often outlast the weather that caused them.

Worth noting for Ouachita County: the model and the federal record do NOT point at the same hazard. Ice Storm carries the highest modeled rating (Relatively High), 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

Ouachita County's closest FEMA peer: San Luis Obispo County, CA

Comparisons use published FEMA declaration fields plus the National Risk Index composite for Ouachita 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 Ouachita County - capture-dated entries only.

Compare beyond this state

Nationwide peers by NRI score & FEMA declaration volume

Two PlainHazard-derived comparison paths for Ouachita 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

Ouachita County's NFIP claims file (91 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 Ouachita County?
The most common disaster type in Ouachita County is Severe Storm, with 11 declarations. Other disaster types include Flood (5), Tornado (3), Winter Storm (2).
How does Ouachita County's FEMA declaration record compare with the Arkansas average?
FEMA lists 28 declaration records for Ouachita County. That is 16% above the Arkansas county mean of 24.2. Its count is also 35% above the national county mean of 20.7. A larger declaration history records more federal actions; it is not a forecast of the county's next hazard.
How many major FEMA disaster declarations has Ouachita County received?
Ouachita County has received 22 major disaster declarations, representing 79% of all 28 disaster declarations.
How many flood insurance claims has Ouachita County filed?
Ouachita County has 91 National Flood Insurance Program (NFIP) claims totaling $1.5M in payments, with an average of $16.7K per claim.
Does FEMA's top risk-rated hazard match the highest Expected Annual Loss in Ouachita County?
No. In Ouachita County, Ice Storm has the highest National Risk Index rating (Relatively High), while Riverine Flooding leads Expected Annual Loss at about $4.5M. FEMA's risk score and dollar-loss model use different inputs, so the leaders often differ.
What was the worst year for disasters in Ouachita County?
The most active year for disaster declarations in Ouachita County was 2020, with 4 declarations. The county has FEMA disaster data spanning 1979 to 2026.
What is the FEMA National Risk Index score for Ouachita County?
According to the FEMA National Risk Index, Ouachita County, Arkansas has an overall risk score of 51.2 out of 100 (Relatively Low). Social vulnerability here rates Very High, while community resilience comes in at Relatively Low. The Expected Annual Loss (EAL) score is Very Low, representing $10.4M in annualized losses.
Which natural hazard poses the greatest risk to Ouachita County?
The top hazard flagged by FEMA's NRI for Ouachita County as of the latest release is Ice Storm (risk rating: Relatively High). Other significant hazards include Strong Wind (Relatively Moderate) and Earthquake (Relatively Low). FEMA's modeled event frequency puts ice storm here at roughly once every 1 years, drawn from 67 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 Ouachita County · vintage 2026-08-25 · Methodology · Arkansas profile · Verify with FEMA OpenFEMA · Verify with NOAA Storm Events