riskbycounty
FEMA NRI 1.19.0Updated Nov 2023 · Coverage 2014–2023Methodology

Mobile County Disaster Risk

Mobile County, Alabama

FEMA Risk Rating

Relatively High

National Percentile

98th

of 3,144 counties

State Rank

#1

of 67 (1 = highest risk)

Flood Risk

96th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively High

Higher than 96% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Moderate

Higher than 93% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively High

Higher than 95% of US counties

Earthquake

Seismic activity and ground shaking risk

Moderate

Higher than 85% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively High

Higher than 99% of US counties

Risk Overview

About Natural Disaster Risk in Mobile County, Alabama

Mobile ranks in nation's riskiest counties

Mobile County scores 98.03 out of 100 for composite disaster risk, placing it in the top tier of vulnerable U.S. counties. This score significantly exceeds Alabama's state average of 61.54, making Mobile a national hotspot for multiple hazard types.

Alabama's most disaster-prone county

Mobile County ranks as Alabama's highest-risk county across its portfolio of natural hazards. Its 98.03 composite score towers over the state average by 37 points, reflecting exposure to hurricanes, flooding, wildfires, tornadoes, and earthquakes.

Far riskier than surrounding counties

Mobile's 98.03 score dwarfs nearby Monroe County (48.66) and Pike County (43.99), both of which sit well below state average. This concentration of risk in Mobile reflects its coastal location and vulnerability to Gulf weather systems that don't affect inland neighbors.

Hurricanes top the threat list here

Hurricane risk dominates at 99.42—the highest in the state—followed by flood risk (95.90) and wildfire risk (93.48). Tornado risk also ranks elevated at 94.56, meaning Mobile residents face a punishing combination of water and wind hazards.

Insurance is essential in Mobile County

With composite risk nearly at 100, comprehensive disaster coverage is critical; standard homeowner policies exclude flood and earthquake damage. Mobile residents should prioritize flood insurance (especially given 95.90 flood risk), wind/hurricane riders, and review earthquake coverage immediately.

Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor

Preparedness Guide

What to Prepare for in Mobile County

Top Hazards by Exposure

  1. #1
    HurricanePrepare
    99th percentile
  2. #2
    FloodPrepare
    96th percentile
  3. #3
    TornadoPrepare
    95th percentile

Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)

Risk Advisory: Mobile County

Risk Verdict

With a national rank of 98th percentile, Mobile County faces above-average natural disaster pressure across several hazard categories. High composite risk signals that multiple hazard types are elevated simultaneously; planning for more than one scenario is important in Mobile County.

Hazard Breakdown

Hurricane risk is Mobile County's dominant natural hazard, ranked at the 99th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 96th percentile nationally. Additional tracked hazards include tornado (95th percentile), wildfire (93th percentile), earthquake (85th percentile).

Preparedness Context

Mobile County's primary hazard, hurricane, ranks at the 99th percentile nationally. Having a designated out-of-area contact, a pre-packed go-bag with medications and documents, and a confirmed evacuation route reduces decision-making load when a storm intensifies rapidly. Flood at the 96th percentile nationally is Mobile County's secondary hazard, often intensified by the same weather systems that produce hurricane conditions. The National Hurricane Center's official forecast cone and local NWS office watches and warnings are the authoritative sources for Mobile County storm tracking; households benefit from bookmarking these before storm season rather than relying on social media during an event.

Regional Context

Mobile County falls 36.5 points above Alabama's typical county risk level, which means the hazard environment here is notably more demanding than the state baseline.

Is your household prepared for Mobile County's hazards?

Review FEMA's county-specific preparedness checklists and emergency planning guides.

FEMA Ready Guide →

Frequently Asked Questions

What is the natural disaster risk in Mobile County, AL?
Mobile County has a FEMA National Risk Index rating of Relatively High, placing it in the 98th percentile nationally out of 3,144 counties. This composite score reflects the county's overall exposure to natural hazards including floods, wildfires, tornadoes, earthquakes, and hurricanes, weighted by expected annual loss and social vulnerability.
What types of natural hazards affect Mobile County?
Mobile County is evaluated for five major natural hazard types: hurricane (99th percentile), flooding (96th percentile), tornado (95th percentile), wildfire (93th percentile), earthquake (85th percentile). The highest-risk hazard is hurricane at the 99th percentile nationally. These scores are derived from FEMA's National Risk Index, which analyzes expected annual loss, social vulnerability, and community resilience for each hazard type.
How does Mobile County risk compare to the Alabama average?
Mobile County's composite risk percentile is 98th, compared to the Alabama state average of 62th percentile. The state's overall risk rating is Relatively Low. This means Mobile County faces higher natural disaster risk than the typical county in Alabama.
Is Mobile County at risk for hurricane?
Yes, Mobile County's hurricane risk is at the 99th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Mobile County is at the 96th percentile.
How is natural disaster risk measured?
FEMA's National Risk Index (NRI) calculates risk scores for 18 natural hazard types across all U.S. counties and census tracts. The composite score combines Expected Annual Loss (estimated dollar losses from each hazard), Social Vulnerability (demographic factors affecting disaster impact), and Community Resilience (ability to recover). Percentile scores rank each county against all 3,144 U.S. counties, and risk ratings range from Very Low to Very High.
Why is Mobile County higher risk than average?
Mobile County's composite risk score of 98th percentile is above the Alabama state average of 62th percentile. This elevated risk is driven by hurricane exposure (99th percentile), along with flooding and tornado and wildfire and earthquake risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.
By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

Data Source

Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.

Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.