Henderson County, North Carolina Natural Disaster Risk
FEMA National Risk Index assessment · NC
MediumComposite Risk Score
National percentile: 84th
Henderson County faces medium composite natural disaster risk (NRI Risk Index score 83.8, 84th national percentile), driven primarily by ice storm and cold wave exposure. Expected annual loss across all 18 hazard types is $41M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Risk Overview
Henderson County carries a medium composite natural disaster risk, with a National Risk Index score of 83.8 out of 100 — placing it in the 84th 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.
Risk here concentrates in ice storm (freezing rain that coats surfaces in heavy, damaging ice) at Very High risk — $1M in expected annual loss and about 1.67 events per year; cold wave (prolonged spells of dangerously low temperatures) at High risk — $10M in expected annual loss and about 2.42 events per year; and landslide (downhill movement of rock, soil, and debris on unstable slopes) at Medium risk — $112K in expected annual loss and about 0.87 events per year. Across all hazards, FEMA estimates $41M in expected annual loss for a population of 116K.
Beyond physical exposure, Henderson County has a high social vulnerability rating (how susceptible the population is to harm) and a medium community resilience rating (its capacity to prepare for and recover from disasters). That combination — a more vulnerable population with limited resilience — can amplify the human cost of any given event.
The county's disaster history tells the same story: Henderson County has received 18 federal disaster declarations since 1977, including 8 for hurricane events and 3 for snowstorm events. The most recent was Severe Winter Storm (winter storm), declared in January 2026.
Among 100 North Carolina counties, Henderson County ranks #29 for overall natural disaster risk.
Top Hazards
All 18 Hazard Risks
| Ice Storm | Very High | 1.67 / yr | $1M |
| Cold Wave | High | 2.42 / yr | $10M |
| Landslide | Medium | 0.87 / yr | $112K |
| Strong Wind | High | 2.25 / yr | $2M |
| Lightning | High | 58.22 / yr | $1M |
| Hail | Medium | 4.63 / yr | $1M |
| Earthquake | Low | 0.00 / yr | $2M |
| Riverine Flood | Medium | 2.64 / yr | $19M |
| Tornado | Medium | 0.16 / yr | $3M |
| Drought | Medium | 32.92 / yr | $752K |
| Hurricane | Low | 0.03 / yr | $486K |
| Wildfire | Very Low | 0.00 / yr | $28K |
| Winter Weather | Low | 9.02 / yr | $37K |
| Heat Wave | Very Low | 0.00 / yr | $51 |
| 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
Henderson County has received 18 federal disaster declarations since 1977, most recently Severe Winter Storm in January 2026. Most frequent causes: Hurricane (8), Snowstorm (3), Tropical Storm (2).
| Declared | Type | Disaster |
|---|---|---|
| January 2026 | Winter Storm | Severe Winter Storm |
| September 2024 | Tropical Storm | Tropical Storm Helene |
| September 2024 | Tropical Storm | Hurricane Helene |
| October 2022 | Hurricane | Hurricane Ian |
| August 2020 | Hurricane | Hurricane Isaias |
| March 2020 | Biological | Covid-19 Pandemic |
| March 2020 | Biological | Covid-19 |
| September 2019 | Hurricane | Hurricane Dorian |
| September 2018 | Hurricane | Hurricane Florence |
| November 2016 | Fire | Party Rock Fire |
Showing the 10 most recent of 18 declarations.
Source: FEMA Disaster Declarations Summaries (OpenFEMA).
Frequently Asked Questions
What is the overall natural disaster risk for Henderson County?
Henderson County has a composite FEMA National Risk Index score of 83.8 out of 100, placing it in the Medium category and the 84th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Henderson County?
The three highest-rated hazards are Ice Storm (Very High, $1M EAL), Cold Wave (High, $10M EAL), Landslide (Medium, $112K EAL). These account for most of the county's expected annual losses.
How does Henderson County compare to other North Carolina counties?
Henderson County ranks #29 of 100 North Carolina counties for overall natural disaster risk, with a medium rating.
How many federally declared disasters has Henderson County had?
FEMA records 18 federal disaster declarations for Henderson County since 1977, most often 8 for hurricane events and 3 for snowstorm events. The most recent was Severe Winter Storm, declared in January 2026.
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. Henderson County's $41M EAL is a statistical average, not a guarantee for any specific year or address.