Natural Disaster Risk in South Vienna
Ohio
Risk Summary for South Vienna
South Vienna scores 6.7/10 (High risk), above the U.S. average of 4.5. The leading hazard is Ice Storm.
Top Hazards
All 18 Hazard Scores
How it compares
Live Conditions
🏠 What this means for insurance
Above-average risk — check your policy limits
Standard homeowners insurance may not fully cover all hazards rated highly in this area. Verify that your policy includes adequate coverage for the top local hazards, and ask your insurer about specific endorsements or separate policies (e.g., flood, earthquake).
This is general information only. Consult a licensed insurance professional for advice specific to your property.
Natural Hazard Profile: South Vienna, Ohio
Located in the interior eastern United States in Clark County, South Vienna is a town of roughly 4,120 residents. The humid continental climate that characterizes this part of Ohio — marked by cold winters with lake-effect snow in the north and warm, humid summers — directly influences the types and severity of natural hazards present, making South Vienna a community where hazard awareness has real practical value.
South Vienna's overall natural disaster risk is rated 6.7/10 (High) by FEMA's National Risk Index. The area faces significant ice storm exposure, where the thermal profile of the atmosphere during winter storms frequently delivers freezing rain rather than snow. Secondary hazards include tornado and hail.
Relative to other U.S. communities, South Vienna's natural disaster risk is well above the U.S. national average of 4.5/10, slightly above the 5.8/10 state average. The hazard distribution here is led by ice storm and tornado, as measured by FEMA across Clark County. While city-specific sub-county variation exists, these scores represent the best available federal risk estimate.
South Vienna's high risk designation reflects meaningful exposure to natural hazards. Residents should verify that their insurance covers the area's primary risks, prepare a family emergency plan, and stay informed about seasonal hazard peaks through local weather and emergency management services.
What this means for South Vienna: Ice Storm preparedness
- Keep walkways treated and avoid travel during freezing-rain events.
- Have a backup heat source and charged devices ready before winter storms arrive.
- Prepare for multi-day power outages, as ice accretion frequently downs power lines.
Local Factors for South Vienna
These city-level factors differentiate South Vienna from other communities in Clark County and provide geographic context for its hazard exposure.
Population
4,120
Small TownGeographic Zone
Inland
Reduced coastal hazard exposure
Climate Band
Moderate Continental
Latitude 40.0°
Flood Terrain
Minimal — county topography limits flood risk
Flood score: 1.0/10
Wildfire Exposure
Lower — moist climate limits wildfire frequency
Fire score: 3.4/10
Coordinates
39.9530° N, 83.6030° W
Clark County
Population and coordinates from SimpleMaps US Cities data. Hazard scores from FEMA National Risk Index. Geographic classification derived from coordinates.
Recent Climate Data for South Vienna
Last 12 months · Source: Open-Meteo archive
Notable Weather Days (last 12 months)
ZIP Codes in South Vienna
Other cities in Ohio
Data source: FEMA National Risk Index (NRI). Scores normalized to 1–10 across all US counties. City scores inherit county-level FEMA data. For informational purposes only.