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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.

Alabama · FEMA + NOAA + National Risk Index

Shelby County, AL

26 FEMA disaster declarations (1973-2024), with a FEMA National Risk Index rating of Relatively Moderate. Most common hazard: Severe Storm.

26
FEMA declarations
14
Major disasters
90
NRI risk · Relatively Moderate
Severe Storm
Top hazard

The verdict

Two federal records point in the busier direction for Shelby County. Its 26 FEMA declarations are 1% above the Alabama county mean and exceed the count for 75% of the 3,266 counties in this registry. Separately, FEMA's National Risk Index places it in the riskiest 10%, based on modeled expected annual loss, social vulnerability, and community resilience.

Riskiest 10%
of U.S. counties for FEMA National Risk Index score
Relatively Moderate
FEMA National Risk Index rating
26
FEMA declarations vs 21 national county avg
797
NFIP flood insurance claims filed

FEMA's National Risk Index and its declaration registry are separate measures. This county's registry includes Fire Management Assistance (FM) records, which are not presidential disaster declarations, alongside Major Disaster (DR) and Emergency (EM) records.

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How does Shelby County compare?

Shelby County vs. all counties in this dataset

FEMA disaster declarations, all-time

26 Top 25% higher than 75% 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 · 2026-08-03

Shelby County's FEMA Risk Index score

FEMA National Risk Index composite score vs. the Alabama county average

0/100100/100Alabama avg62/10090.3/100
FEMA National Risk Index composite score vs. the Alabama county average

Which hazard drives modeled loss here?

FEMA's modeled annual dollar loss for Shelby County is led by Riverine Flooding (about $55.6M Expected Annual Loss, Historical Loss Ratio Relatively High), while Tornado 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 Shelby County's hazard record show?

Reading the federal records together

FEMA's NFIP table contains a substantial paid-claim history for this county: 797 claims and $19.2M in payments. PlainHazard labels 500 or more claims a heavy registry record; that is a reporting bucket, not an official FEMA risk grade. The average paid claim was $24.1K. NFIP totals exclude uninsured flood losses and do not measure how many properties currently carry a policy.

The declaration register points in the busier direction. Shelby County's 26 federal records stand 1% above the Alabama county mean of 25.8. 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 sits among the highest-risk counties nationally on FEMA's National Risk Index, a composite score of 90.3/100 (Relatively Moderate). Expected Annual Loss is rated Relatively Moderate (roughly $105.8M in annualized losses). Social vulnerability reads Very Low and community resilience Relatively High, both critical modifiers of realized harm here. Of the 18 hazards FEMA models, Tornado 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 44 historical events on record.

Declaration frequency

The FEMA register is busy by both local and national comparisons. It contains 26 entries for Shelby County, including 14 Major Disaster records, 1% above the Alabama county mean. Across the 51-year span, that works out to 0.5 declarations a year. Severe Storm leads the file with 9 entries. Declaration type records the federal action taken, not every assistance program approved.

65 /100

Historical Activity Index

High historical activity

Shelby County, AL · 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
19/30

26 OpenFEMA declarations, full ingest window (1.3x national county average)

County Disaster Density High
13/25

26 declarations (1.0x state county average of 26)

Major Disaster Share High
13/25

14 of 26 declarations are major disasters (54%)

Hazard Diversity Very High
20/20

8 different disaster types declared in Shelby County

Historical Declaration Activity

Activity Band

High

vs. Alabama Avg

+1%

State avg: 25.8

vs. National Avg

+25%

National avg: 20.7

Avg Per Year

0.5

Over 51 years

FEMA NRI 8-hazard radar - Shelby County

Shelby County NRI risk profile 8-axis FEMA National Risk Index radar showing per-hazard scores for Earthquake 25, Flood 48, Hurricane 25, Tornado 70, Wildfire 25, Drought 25, Heat Wave 48, Winter Storm 48. The simple mean of these eight displayed scores is 39 of 100. Earthquake Flood Hurricane Tornado Wildfire Drought Heat Wave Winter Storm 39 8-hazard mean
Shelby County NRI risk profile FIPS 01117 · displayed-hazard mean 39/100
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

26

High volume

Major Disaster share

54%

Major-heavy

NRI risk score

90

Relatively Moderate

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

How often does each hazard strike Shelby 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
Tornado Relatively High roughly once every 1 years
Landslide Relatively Moderate an average of 1.2 times per year
Lightning Relatively High an average of 71 times per year
Riverine Flooding Relatively Moderate an average of 1.9 times per year
Heat Wave Relatively Moderate 7.7 modeled event-days per year
Cold Wave Relatively Moderate roughly once every 2 years
Earthquake Relatively Low roughly once every 426 years
Strong Wind Relatively Moderate an average of 1.9 times per year
Wildfire Relatively Low roughly once every 789 years
Hurricane Relatively Low roughly once every 17 years
Ice Storm Relatively Moderate roughly once every 2 years
Hail Relatively Low an average of 3.7 times per year
Drought Relatively Low 31 modeled event-days per year
Winter Weather Relatively Low an average of 2.8 times per year

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

Disaster Types

Severe Storm 9
Hurricane 8
Flood 3
Biological 2
Fire 1
Snowstorm 1
Drought 1
Tornado 1

What Severe Storm declarations mean here

Severe Storm is the most frequent declaration type on Shelby County's record, 35% 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 - 14 53.8%

of all 26 declarations

Emergency - 11 42.3%

of all 26 declarations

Fire Management - 1 3.8%

of all 26 declarations

FEMA Declarations Timeline

Year Declarations
2024 1
2022 1
2021 1
2020 3
2018 1
2017 1
2011 2
2008 1
2005 2
2004 1
2003 2
1999 1
1994 1
1993 1
1990 1
Show 5 earlier declaration years
1984 1
1979 1
1977 1
1975 2
1973 1

Disaster Declarations

How the 26 FEMA declarations break into federal action codes (DR / EM / FM). Same DISTINCT grain as the table below.

Download these 26 declarations as CSV . FEMA source data is public domain; our derived presentation is CC0.

DR# Title Type Incident Date
3618 HURRICANE HELENE EM Hurricane 2024-09-26
4632 SEVERE STORMS AND FLOODING DR Severe Storm 2021-12-21
4596 SEVERE STORMS, STRAIGHT-LINE WINDS, AND TORNADOES DR Severe Storm 2021-04-26
3545 HURRICANE SALLY EM Hurricane 2020-09-14
4503 COVID-19 PANDEMIC DR Biological 2020-03-29
3472 COVID-19 EM Biological 2020-03-13
3394 HURRICANE NATE EM Hurricane 2017-10-08
3389 HURRICANE IRMA EM Hurricane 2017-09-11
1971 SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING DR Severe Storm 2011-04-28
3319 SEVERE STORMS, TORNADOES, AND STRAIGHT-LINE WINDS EM Severe Storm 2011-04-27
3292 HURRICANE GUSTAV EM Hurricane 2008-08-30
3237 HURRICANE KATRINA EVACUATION EM Hurricane 2005-09-10
1593 HURRICANE DENNIS DR Hurricane 2005-07-10
1549 HURRICANE IVAN DR Hurricane 2004-09-15
1466 SEVERE STORMS, TORNADOES, AND FLOODING DR Severe Storm 2003-05-12
1442 SEVERE STORMS AND TORNADOES DR Severe Storm 2002-11-14
2278 AL - CHELSEA FIRE - 09/18/99 FM Fire 1999-09-18
1019 SEVERE STORMS, TORNADO, AND FLOODING DR Severe Storm 1994-03-30
3096 SEVERE SNOWFALL, WINTER STORM EM Snowstorm 1993-03-15
856 SEVERE STORMS, TORNADOES & FLOODING DR Severe Storm 1990-02-17
Show 6 earlier declaration records
DR# Title Type Incident Date
695 SEVERE STORMS,FLOODING AND TORNADOES DR Severe Storm 1983-12-13
578 STORMS, WIND, FLOODING DR Flood 1979-04-18
3045 DROUGHT EM Drought 1977-07-20
458 SEVERE STORMS & FLOODING DR Flood 1975-03-14
3007 TORNADOES EM Tornado 1975-01-18
388 SEVERE STORMS & FLOODING DR Flood 1973-05-29

Storm Events in Alabama

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

Storm Type Events Fatalities Injuries Property Damage
Thunderstorm Wind 7,827 16 115 $51.7M
Hail 1,349 0 0 $5.0K
Flash Flood 1,047 17 7 $12.8M
Tornado 896 57 343 $49.7M
Drought 857 0 0 $0

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

NFIP Flood Insurance Claims

Total Claims

797

Total Paid

$19.2M

Avg Per Claim

$24.1K

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

FEMA National Risk Index

Overall Risk

Relatively Moderate

Score: 90.3/100

Expected Annual Loss

Relatively Moderate

$105.8M/year

Social Vulnerability

Very Low

Community Resilience

Relatively High

Hazard Risk Breakdown

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

The model's sharpest exposure here: Tornado

Tornado exposure is the most spatially concentrated in the model: total destruction along a narrow corridor with intact property either side. County-level averages therefore understate severity badly for anyone actually in the path, and overstate it for everyone else.

For Shelby County the two measures on this page point the same way: Tornado is the county's highest-rated modeled hazard (Relatively High), and Severe Storm declarations also lead its federal record. Where the model and the declaration history agree, the reading is comparatively straightforward, the hazard is both expected and repeatedly realised.

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

Shelby County's closest FEMA peer: Parker County, TX

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

Further reading for this county

Understanding disaster data

Shelby County's NFIP claims file (797 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 Shelby County?
The most common disaster type in Shelby County is Severe Storm, with 9 declarations. Other disaster types include Hurricane (8), Flood (3), Biological (2).
How does Shelby County's FEMA declaration record compare with the Alabama average?
FEMA lists 26 declaration records for Shelby County. That is 1% above the Alabama county mean of 25.8. Its count is also 25% 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 Shelby County received?
Shelby County has received 14 major disaster declarations, representing 54% of all 26 disaster declarations.
How many flood insurance claims has Shelby County filed?
Shelby County has 797 National Flood Insurance Program (NFIP) claims totaling $19.2M in payments, with an average of $24.1K per claim.
Does FEMA's top risk-rated hazard match the highest Expected Annual Loss in Shelby County?
No. In Shelby County, Tornado has the highest National Risk Index rating (Relatively High), while Riverine Flooding leads Expected Annual Loss at about $55.6M. FEMA's risk score and dollar-loss model use different inputs, so the leaders often differ.
What was the worst year for disasters in Shelby County?
The most active year for disaster declarations in Shelby County was 2020, with 3 declarations. The county has FEMA disaster data spanning 1973 to 2024.
What is the FEMA National Risk Index score for Shelby County?
According to the FEMA National Risk Index, Shelby County, Alabama has an overall risk score of 90.3 out of 100 (Relatively Moderate). Social vulnerability here rates Very Low, while community resilience comes in at Relatively High. The Expected Annual Loss (EAL) score is Relatively Moderate, representing $105.8M in annualized losses.
Which natural hazard poses the greatest risk to Shelby County?
FEMA's NRI data points to Shelby County is Tornado (risk rating: Relatively High). Other significant hazards include Landslide (Relatively Moderate) and Lightning (Relatively High). FEMA's modeled event frequency puts tornado here at roughly once every 1 years, drawn from 44 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.

What this means for Shelby County

Shelby County, AL has 26 federal declaration records, 1% more than the Alabama county mean of 26; its history sits in PlainHazard's high activity band.

  • Within this above-state-average declaration file, major disaster leads with 14 of 26 records; the category describes past federal action, not the next likely hazard. Alabama overview
  • The state benchmark and national rank point the same way: this count tops the Alabama mean and the totals for 75% of 3,266 U.S. counties. Most-disaster rankings
  • The large NFIP claims file and FEMA declaration history measure different federal records; the guide explains where they overlap and where they do not. Disaster-data guide

An above-average declaration count records past federal responses; it does not predict the next event. Current warnings come from the National Weather Service and local emergency officials.

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. See our editorial standards & corrections policy, the methodology behind these numbers, or national statistics report, the data & editorial changelog, or report a data error.