Coryell County, Texas Natural Disaster Risk
FEMA National Risk Index assessment · TX
LowComposite Risk Score
National percentile: 63th
Coryell County faces low composite natural disaster risk (NRI Risk Index score 63.4, 63th national percentile), driven primarily by tornado and lightning exposure. Expected annual loss across all 18 hazard types is $23M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Risk Overview
Coryell County carries a low composite natural disaster risk, with a National Risk Index score of 63.4 out of 100 — placing it in the 63rd 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.
The county's risk is driven primarily by tornado (violently rotating columns of air capable of catastrophic local damage) at Medium risk — $6M in expected annual loss and about 0.60 events per year; lightning (electrical discharges from storms that ignite fires and cause casualties) at High risk — $948K in expected annual loss and about 49.67 events per year; and wildfire (uncontrolled fires that spread across wildland and into communities) at Low risk — $577K in expected annual loss and about 0.00 events per year. Across all hazards, FEMA estimates $23M in expected annual loss for a population of 83K.
Beyond physical exposure, Coryell County has a low social vulnerability rating (how susceptible the population is to harm) and a very low community resilience rating (its capacity to prepare for and recover from disasters). Both measures sit toward the lower end, indicating relatively modest population sensitivity.
History supports the rating: Coryell County has received 23 federal disaster declarations since 1989, including 7 for fire events and 4 for flood events. The most recent was Severe Storms, Straight-Line Winds, Tornadoes, and Flooding (flood), declared in May 2024.
Among 254 Texas counties, Coryell County ranks #94 for overall natural disaster risk.
Top Hazards
All 18 Hazard Risks
| Tornado | Medium | 0.60 / yr | $6M |
| Lightning | High | 49.67 / yr | $948K |
| Wildfire | Low | 0.00 / yr | $577K |
| Winter Weather | Medium | 3.37 / yr | $202K |
| Hail | Medium | 4.68 / yr | $778K |
| Cold Wave | Medium | 0.68 / yr | $3M |
| Heat Wave | Low | 11.63 / yr | $881K |
| Riverine Flood | Low | 1.54 / yr | $10M |
| Hurricane | Low | 0.03 / yr | $172K |
| Ice Storm | Low | 0.86 / yr | $63K |
| Drought | Low | 68.94 / yr | $91K |
| Strong Wind | Low | 1.75 / yr | $368K |
| Landslide | Very Low | 0.20 / yr | $190 |
| Earthquake | Very Low | 0.00 / yr | $18K |
| 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
Coryell County has received 23 federal disaster declarations since 1989, most recently Severe Storms, Straight-Line Winds, Tornadoes, and Flooding in May 2024. Most frequent causes: Fire (7), Flood (4), Severe Storm (4).
| Declared | Type | Disaster |
|---|---|---|
| May 2024 | Flood | Severe Storms, Straight-Line Winds, Tornadoes, and Flooding |
| February 2021 | Severe Ice Storm | Severe Winter Storms |
| February 2021 | Severe Ice Storm | Severe Winter Storm |
| March 2020 | Biological | Covid-19 Pandemic |
| March 2020 | Biological | Covid-19 |
| February 2019 | Flood | Severe Storms and Flooding |
| April 2016 | Flood | Severe Storms and Flooding |
| May 2015 | Severe Storm | Severe Storms, Tornadoes, Straight-Line Winds and Flooding |
| September 2011 | Fire | Wildfires |
| July 2011 | Fire | Wildfires |
Showing the 10 most recent of 23 declarations.
Source: FEMA Disaster Declarations Summaries (OpenFEMA).
Frequently Asked Questions
What is the overall natural disaster risk for Coryell County?
Coryell County has a composite FEMA National Risk Index score of 63.4 out of 100, placing it in the Low category and the 63th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Coryell County?
The three highest-rated hazards are Tornado (Medium, $6M EAL), Lightning (High, $948K EAL), Wildfire (Low, $577K EAL). These account for most of the county's expected annual losses.
How does Coryell County compare to other Texas counties?
Coryell County ranks #94 of 254 Texas counties for overall natural disaster risk, with a low rating.
How many federally declared disasters has Coryell County had?
FEMA records 23 federal disaster declarations for Coryell County since 1989, most often 7 for fire events and 4 for flood events. The most recent was Severe Storms, Straight-Line Winds, Tornadoes, and Flooding, declared in May 2024.
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. Coryell County's $23M EAL is a statistical average, not a guarantee for any specific year or address.