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

Adams County Disaster Risk

Adams County, Nebraska

FEMA Risk Rating

Relatively Low

National Percentile

64th

of 3,144 counties

State Rank

#9

of 93 (1 = highest risk)

Flood Risk

33th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 33% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 43% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 80% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 25% of US counties

Risk Overview

About Natural Disaster Risk in Adams County, Nebraska

Adams County faces above-average tornado risk

With a composite risk score of 64.31, Adams County ranks as relatively low nationally but well above Nebraska's state average of 25.80. Tornadoes are the primary driver, scoring 79.58—a significant threat that demands preparation and awareness.

Highest tornado risk in Nebraska

Adams County's tornado risk of 79.58 is the most severe in the state, making it Nebraska's most tornado-prone county. This exceptional ranking reflects the county's location in a geographic zone particularly vulnerable to severe spring and early summer storms.

Far riskier than surrounding counties

Adams County's composite score of 64.31 dwarfs neighboring Boone County (43.35) and distant Antelope County (19.47). Its tornado risk of 79.58 stands alone—the next highest county threat in the region is significantly lower.

Tornadoes dominate Adams County threats

Tornadoes (79.58) and wildfire (42.72) are your primary hazards; tornado risk is nearly double the wildfire concern. Flooding (32.76) and earthquakes (24.65) present minor threats but warrant basic preparedness measures.

Prioritize tornado and wind protection

With tornado risk nearly four times the state average, comprehensive homeowners insurance and a reinforced safe room or basement shelter are essential investments. Consider additional coverage for hail and wind damage, which often accompany severe thunderstorms in Adams County.

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

Preparedness Guide

What to Prepare for in Adams County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    80th percentile
  2. #2
    WildfirePrepare
    43th percentile
  3. #3
    FloodPrepare
    33th percentile

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

Risk Advisory: Adams County

Risk Verdict

At the 64th percentile nationally, Adams County experiences a manageable level of natural hazard risk that falls below the U.S. median. Adams County's risk profile calls for targeted preparedness, focusing on the hazard categories that dominate the county's score.

Hazard Breakdown

Tornado risk is Adams County's dominant natural hazard, ranked at the 80th percentile nationally under FEMA's National Risk Index. Wildfire ranks second at the 43th percentile nationally. Additional tracked hazards include flood (33th percentile), earthquake (25th percentile).

Preparedness Context

Adams County's primary hazard, tornado, ranks at the 80th percentile nationally. In Adams County, mobile homes and manufactured housing face significantly higher tornado risk than site-built structures; residents in these homes should identify the nearest permanent community shelter in advance. Wildfire is the second hazard driver for Adams County at the 43th percentile nationally, meaning households should maintain awareness of both severe-weather and wildfire-specific warning systems. The highest-risk window for tornado fatalities is overnight, when Adams County residents may be asleep. A NOAA weather radio with overnight alert capability is the single most impactful low-cost preparedness step available to Adams County households.

Regional Context

Adams County falls 38.5 points above Nebraska's typical county risk level, which means the hazard environment here is notably more demanding than the state baseline.

Is your household prepared for Adams 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 Adams County, NE?
Adams County has a FEMA National Risk Index rating of Relatively Low, placing it in the 64th 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 Adams County?
Adams County is evaluated for five major natural hazard types: tornado (80th percentile), wildfire (43th percentile), flooding (33th percentile), earthquake (25th percentile). The highest-risk hazard is tornado at the 80th 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 Adams County risk compare to the Nebraska average?
Adams County's composite risk percentile is 64th, compared to the Nebraska state average of 26th percentile. The state's overall risk rating is Very Low. This means Adams County faces higher natural disaster risk than the typical county in Nebraska.
Is Adams County at risk for tornado?
Yes, Adams County's tornado risk is at the 80th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Adams County is at the 33th 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 Adams County higher risk than average?
Adams County's composite risk score of 64th percentile is above the Nebraska state average of 26th percentile. This elevated risk is driven by tornado exposure (80th percentile). 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.