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

Calhoun County Disaster Risk

Calhoun County, Alabama

FEMA Risk Rating

Relatively Moderate

National Percentile

88th

of 3,144 counties

State Rank

#9

of 67 (1 = highest risk)

Flood Risk

90th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 90% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Moderate

Higher than 82% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively High

Higher than 98% of US counties

Earthquake

Seismic activity and ground shaking risk

Moderate

Higher than 85% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 74% of US counties

Risk Overview

About Natural Disaster Risk in Calhoun County, Alabama

Calhoun ranks as relatively moderate risk

Calhoun County's composite risk score of 88.45 ranks it as Relatively Moderate—above average for natural disaster exposure nationwide. The county faces significant exposure to multiple hazard types simultaneously, especially tornadoes and earthquakes.

Among Alabama's highest-risk counties

Calhoun's 88.45 score far exceeds Alabama's state average of 61.54, placing it among the state's most disaster-prone counties. This northeast Alabama location exposes it to tornadoes, earthquakes, flooding, and wildfire risks above statewide norms.

Calhoun faces significantly higher risks

Calhoun (88.45) has substantially higher risk than most neighboring counties including Blount (68.48), Autauga (57.57), and Bibb (39.12). Only Baldwin County (96.72) exceeds Calhoun's hazard exposure in the state, making it a high-risk outlier regionally.

Tornadoes and earthquakes drive risk

Tornado risk peaks at 98.22—among the nation's highest—while earthquake risk of 84.73 reflects Calhoun's position near the southeastern seismic zone. Flood risk of 89.54 and wildfire risk of 81.52 add substantial secondary concerns.

Comprehensive coverage is essential

Calhoun homeowners must invest in wind and hail coverage for tornado protection and should strongly consider earthquake insurance given the 84.73 risk score. Flood insurance is highly recommended, especially for properties near waterways, as the 89.54 flood risk represents substantial exposure.

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

Preparedness Guide

What to Prepare for in Calhoun County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    98th percentile
  2. #2
    FloodPrepare
    90th percentile
  3. #3
    EarthquakePrepare
    85th percentile

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

Risk Advisory: Calhoun County

Risk Verdict

Calhoun County faces a moderate natural disaster risk profile, ranking at the 88th percentile nationally under FEMA's composite risk model. This risk level calls for more than general awareness: insurance coverage review, a family communication plan, and a prepared go-bag are practical priorities.

Hazard Breakdown

Tornado risk is Calhoun County's dominant natural hazard, ranked at the 98th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 90th percentile nationally. Additional tracked hazards include earthquake (85th percentile), wildfire (82th percentile), hurricane (74th percentile).

Preparedness Context

Tornado risk is Calhoun County's top-ranked natural hazard at the 98th percentile nationally. For Calhoun County households, the most protective action available is identifying a reinforced interior room on the lowest floor — a bathroom, closet, or central hallway away from windows. Alongside tornado exposure, flood at the 90th percentile nationally means Calhoun County households face multi-hazard severe-weather seasons that benefit from a single integrated emergency plan covering both threats. A battery-powered NOAA All Hazards weather radio with an auto-alert tone is the highest-leverage single item for tornado preparedness in Calhoun County, since it delivers warnings even when power is out and phone networks are congested.

Regional Context

Calhoun County's composite risk score sits 26.9 points above the Alabama county average, placing it among the more hazard-exposed counties in the state.

Is your household prepared for Calhoun 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 Calhoun County, AL?
Calhoun County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 88th 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 Calhoun County?
Calhoun County is evaluated for five major natural hazard types: tornado (98th percentile), flooding (90th percentile), earthquake (85th percentile), wildfire (82th percentile), hurricane (74th percentile). The highest-risk hazard is tornado at the 98th 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 Calhoun County risk compare to the Alabama average?
Calhoun County's composite risk percentile is 88th, compared to the Alabama state average of 62th percentile. The state's overall risk rating is Relatively Low. This means Calhoun County faces higher natural disaster risk than the typical county in Alabama.
Is Calhoun County at risk for tornado?
Yes, Calhoun County's tornado risk is at the 98th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Calhoun County is at the 90th 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 Calhoun County higher risk than average?
Calhoun County's composite risk score of 88th percentile is above the Alabama state average of 62th percentile. This elevated risk is driven by tornado exposure (98th percentile), along with flooding and earthquake and wildfire and hurricane 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.