Alexander County, North Carolina Natural Disaster Risk
FEMA National Risk Index assessment · NC
LowComposite Risk Score
National percentile: 46th
Alexander County faces low composite natural disaster risk (NRI Risk Index score 45.8, 46th national percentile), driven primarily by ice storm and hurricane exposure. Expected annual loss across all 18 hazard types is $11M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Risk Overview
FEMA's National Risk Index rates Alexander County at low composite risk, with a National Risk Index score of 45.8 out of 100 — placing it in the 46th national percentile and below the national average for natural-disaster risk. The score blends Expected Annual Loss, Social Vulnerability, and Community Resilience across all 18 FEMA hazard types.
Most of Alexander County's expected losses come from ice storm (freezing rain that coats surfaces in heavy, damaging ice) at High risk — $541K in expected annual loss and about 1.38 events per year; hurricane (tropical cyclones bringing extreme wind, rain, and storm surge) at Low risk — $355K in expected annual loss and about 0.05 events per year; and riverine flood (rivers and streams overflowing their banks after heavy rain or snowmelt) at Low risk — $7M in expected annual loss and about 0.43 events per year. Across all hazards, FEMA estimates $11M in expected annual loss for a population of 36K.
Beyond physical exposure, Alexander County has a high social vulnerability rating (how susceptible the population is to harm) and a low 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 federal record bears this out: Alexander County has received 19 federal disaster declarations since 1977, including 7 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, Alexander County ranks #82 for overall natural disaster risk.
Top Hazards
All 18 Hazard Risks
| Ice Storm | High | 1.38 / yr | $541K |
| Hurricane | Low | 0.05 / yr | $355K |
| Riverine Flood | Low | 0.43 / yr | $7M |
| Earthquake | Very Low | 0.00 / yr | $314K |
| Landslide | Very Low | 0.48 / yr | $2K |
| Lightning | Low | 52.64 / yr | $216K |
| Strong Wind | Medium | 2.60 / yr | $478K |
| Tornado | Low | 0.10 / yr | $1M |
| Drought | Low | 30.06 / yr | $129K |
| Cold Wave | Low | 0.69 / yr | $620K |
| Hail | Low | 4.94 / yr | $140K |
| Heat Wave | Very Low | 0.47 / yr | $88K |
| Wildfire | Very Low | 0.00 / yr | $9K |
| Winter Weather | Low | 6.89 / yr | $19K |
| 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
Alexander County has received 19 federal disaster declarations since 1977, most recently Severe Winter Storm in January 2026. Most frequent causes: Hurricane (7), 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 |
| March 2021 | Severe Storm | Tropical Storm Eta |
| August 2020 | Hurricane | Hurricane Isaias |
| May 2020 | Severe Storm | Severe Storms, Tornadoes, and Flooding |
| March 2020 | Biological | Covid-19 Pandemic |
| March 2020 | Biological | Covid-19 |
| September 2019 | Hurricane | Hurricane Dorian |
Showing the 10 most recent of 19 declarations.
Source: FEMA Disaster Declarations Summaries (OpenFEMA).
Frequently Asked Questions
What is the overall natural disaster risk for Alexander County?
Alexander County has a composite FEMA National Risk Index score of 45.8 out of 100, placing it in the Low category and the 46th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Alexander County?
The three highest-rated hazards are Ice Storm (High, $541K EAL), Hurricane (Low, $355K EAL), Riverine Flood (Low, $7M EAL). These account for most of the county's expected annual losses.
How does Alexander County compare to other North Carolina counties?
Alexander County ranks #82 of 100 North Carolina counties for overall natural disaster risk, with a low rating.
How many federally declared disasters has Alexander County had?
FEMA records 19 federal disaster declarations for Alexander County since 1977, most often 7 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. Alexander County's $11M EAL is a statistical average, not a guarantee for any specific year or address.