Seminole County Disaster Risk
Seminole County, Florida
FEMA Risk Rating
Relatively Moderate
National Percentile
91th
of 3,144 counties
State Rank
#29
of 67 (1 = highest risk)
Flood Risk
93th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Moderate
Higher than 93% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Moderate
Higher than 92% of US counties
Tornado
Tornado and severe thunderstorm risk
Relatively High
Higher than 98% of US counties
Earthquake
Seismic activity and ground shaking risk
Relatively Low
Higher than 66% of US counties
Hurricane
Tropical cyclone and hurricane risk
Relatively High
Higher than 95% of US counties
Risk Overview
About Natural Disaster Risk in Seminole County, Florida
Seminole's risk tops U.S. average
With a composite risk score of 91.44, Seminole County faces significantly higher natural disaster risk than the typical American county. This "Relatively Moderate" rating reflects above-average exposure to multiple hazards, particularly tornadoes and hurricanes that regularly threaten the region.
Well above Florida's baseline
Seminole's 91.44 score substantially exceeds Florida's state average of 75.74, placing it among the state's riskier counties. The county's tornado risk of 97.55 and hurricane risk of 94.66 are the primary drivers of this elevated statewide standing.
Riskier than nearby counties
Seminole faces notably higher overall risk than neighboring Suwannee County (71.34) and Sumter County (87.60). Its tornado risk of 97.55 is particularly acute compared to these adjacent areas, making severe convective weather a distinctive local concern.
Tornadoes and hurricanes dominate
Tornado risk scores 97.55 in Seminole—among the highest in the state—while hurricane risk reaches 94.66, exposing residents to severe wind and storm surge damage. Flooding also poses a substantial threat with a score of 92.75, particularly in low-lying and coastal-adjacent neighborhoods.
Comprehensive coverage is essential
Seminole residents should secure robust homeowners insurance that explicitly covers wind and hail damage from tornadoes and hurricanes, plus separate flood insurance through the National Flood Insurance Program. Consider reinforcing roof attachment, installing storm shutters, and maintaining a family emergency plan given the county's high tornado and hurricane exposure.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Seminole County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Seminole County
Risk Verdict
Seminole County faces a moderate natural disaster risk profile, ranking at the 91th percentile nationally under FEMA's composite risk model. This risk level calls for more than general awareness: insurance coverage review, a family communication plan, and a prepared go-bag are practical priorities.
Hazard Breakdown
Tornado risk is Seminole County's dominant natural hazard, ranked at the 98th percentile nationally under FEMA's National Risk Index. Hurricane ranks second at the 95th percentile nationally. Additional tracked hazards include flood (93th percentile), wildfire (92th percentile), earthquake (66th percentile).
Preparedness Context
Tornado risk is Seminole County's top-ranked natural hazard at the 98th percentile nationally. For Seminole County households, the most protective action available is identifying a reinforced interior room on the lowest floor — a bathroom, closet, or central hallway away from windows. The secondary hurricane hazard at the 95th percentile nationally adds seasonal complexity to Seminole County's preparedness calendar, since hurricane and tornado risk often peak at different points in the year. A battery-powered NOAA All Hazards weather radio with an auto-alert tone is the highest-leverage single item for tornado preparedness in Seminole County, since it delivers warnings even when power is out and phone networks are congested.
Regional Context
Seminole County's composite risk score sits 15.7 points above the Florida county average, placing it among the more hazard-exposed counties in the state.
Is your household prepared for Seminole County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Seminole County, FL?
What types of natural hazards affect Seminole County?
How does Seminole County risk compare to the Florida average?
Is Seminole County at risk for tornado?
How is natural disaster risk measured?
Why is Seminole County higher risk than average?
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.