Lauderdale County, Alabama Natural Disaster Risk
FEMA National Risk Index assessment · AL
MediumComposite Risk Score
National percentile: 85th
Lauderdale County faces medium composite natural disaster risk (NRI Risk Index score 85.5, 85th national percentile), driven primarily by strong wind and cold wave exposure. Expected annual loss across all 18 hazard types is $54M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Risk Overview
Lauderdale County carries a medium composite natural disaster risk, with a National Risk Index score of 85.5 out of 100 — placing it in the 85th national percentile and near the national midpoint for natural-disaster risk. The score blends Expected Annual Loss, Social Vulnerability, and Community Resilience across all 18 FEMA hazard types.
The county's risk is driven primarily by strong wind (damaging straight-line winds outside of tornadoes and hurricanes) at High risk — $3M in expected annual loss and about 5.06 events per year; cold wave (prolonged spells of dangerously low temperatures) at High risk — $9M in expected annual loss and about 1.26 events per year; and earthquake (ground shaking from sudden movement along geologic faults) at Medium risk — $8M in expected annual loss and about 0.00 events per year. Across all hazards, FEMA estimates $54M in expected annual loss for a population of 94K.
Beyond physical exposure, Lauderdale County has a medium social vulnerability rating (how susceptible the population is to harm) and a high community resilience rating (its capacity to prepare for and recover from disasters). A less vulnerable population paired with strong resilience helps the community absorb and recover from events.
History supports the rating: Lauderdale County has received 20 federal disaster declarations since 1973, including 7 for hurricane events and 7 for severe storm events. The most recent was Hurricane Helene (hurricane), declared in September 2024.
Among 67 Alabama counties, Lauderdale County ranks #13 for overall natural disaster risk.
Top Hazards
All 18 Hazard Risks
| Strong Wind | High | 5.06 / yr | $3M |
| Cold Wave | High | 1.26 / yr | $9M |
| Earthquake | Medium | 0.00 / yr | $8M |
| Tornado | High | 0.65 / yr | $8M |
| Lightning | High | 61.58 / yr | $952K |
| Heat Wave | Medium | 8.89 / yr | $2M |
| Riverine Flood | Medium | 3.36 / yr | $23M |
| Ice Storm | Medium | 0.93 / yr | $151K |
| Hurricane | Low | 0.03 / yr | $219K |
| Drought | Low | 17.98 / yr | $178K |
| Winter Weather | Low | 4.37 / yr | $45K |
| Landslide | Very Low | 0.66 / yr | $654 |
| Hail | Very Low | 4.10 / yr | $112K |
| Wildfire | Very Low | 0.00 / yr | $9K |
| Avalanche | Very Low | 0.00 / yr | $0 |
| Coastal Flood | Very Low | 0.00 / yr | $0 |
| Tsunami | Very Low | 0.00 / yr | $0 |
| Volcanic Activity | Very Low | 0.00 / yr | $0 |
Disaster History
Lauderdale County has received 20 federal disaster declarations since 1973, most recently Hurricane Helene in September 2024. Most frequent causes: Hurricane (7), Severe Storm (7), Biological (2).
| Declared | Type | Disaster |
|---|---|---|
| September 2024 | Hurricane | Hurricane Helene |
| May 2023 | Severe Storm | Severe Storms, Straight-Line Winds, and Tornadoes |
| September 2020 | Hurricane | Hurricane Sally |
| March 2020 | Biological | Covid-19 Pandemic |
| March 2020 | Biological | Covid-19 |
| September 2017 | Hurricane | Hurricane Irma |
| April 2011 | Severe Storm | Severe Storms, Tornadoes, Straight-Line Winds, and Flooding |
| April 2011 | Severe Storm | Severe Storms, Tornadoes, and Straight-Line Winds |
| August 2008 | Hurricane | Hurricane Gustav |
| September 2005 | Hurricane | Hurricane Katrina Evacuation |
Showing the 10 most recent of 20 declarations.
Source: FEMA Disaster Declarations Summaries (OpenFEMA).
Frequently Asked Questions
What is the overall natural disaster risk for Lauderdale County?
Lauderdale County has a composite FEMA National Risk Index score of 85.5 out of 100, placing it in the Medium category and the 85th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Lauderdale County?
The three highest-rated hazards are Strong Wind (High, $3M EAL), Cold Wave (High, $9M EAL), Earthquake (Medium, $8M EAL). These account for most of the county's expected annual losses.
How does Lauderdale County compare to other Alabama counties?
Lauderdale County ranks #13 of 67 Alabama counties for overall natural disaster risk, with a medium rating.
How many federally declared disasters has Lauderdale County had?
FEMA records 20 federal disaster declarations for Lauderdale County since 1973, most often 7 for hurricane events and 7 for severe storm events. The most recent was Hurricane Helene, declared in September 2024.
What does Expected Annual Loss (EAL) mean?
EAL is FEMA's estimate of average annual dollar losses from natural hazards, calculated from historical event data and exposure models. Lauderdale County's $54M EAL is a statistical average, not a guarantee for any specific year or address.