Tattnall County Disaster Risk

Tattnall County has a FEMA National Risk Index rating of Relatively Low, placing it in the 68th 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.

Tattnall County is evaluated for five major natural hazard types: hurricane (94th percentile), earthquake (71th percentile), wildfire (63th percentile), tornado (52th percentile), flooding (38th percentile). The highest-risk hazard is hurricane at the 94th 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.

Tattnall County's composite risk percentile is 68th, compared to the Georgia state average of 40th percentile. The state's overall risk rating is Very Low. This means Tattnall County faces higher natural disaster risk than the typical county in Georgia.

Yes, Tattnall County's hurricane risk is at the 94th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Tattnall County is at the 38th percentile.

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.

Tattnall County's composite risk score of 68th percentile is above the Georgia state average of 40th percentile. This elevated risk is driven by hurricane exposure (94th percentile), along with earthquake and wildfire and tornado risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.