riskbycounty
FEMA NRI 1.19.0Updated Nov 2023 · Coverage 2014–2023Methodology

South Central Connecticut Planning Region Disaster Risk

South Central Connecticut Planning Region, Connecticut

FEMA Risk Rating

Relatively High

National Percentile

95th

of 3,144 counties

State Rank

#3

of 9 (1 = highest risk)

Flood Risk

97th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively High

Higher than 97% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 41% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 78% of US counties

Earthquake

Seismic activity and ground shaking risk

Moderate

Higher than 92% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively High

Higher than 97% of US counties

Risk Overview

About Natural Disaster Risk in South Central Connecticut Planning Region, Connecticut

South Central Connecticut faces highest state risk

South Central Connecticut Planning Region scores 95.13 on the composite risk scale, placing it in the relatively high category and substantially above Connecticut's state average of 87.62. This elevated profile reflects concentrated coastal exposure and urban density across multiple natural hazards.

Highest-risk planning region in Connecticut

South Central Connecticut ranks first (most vulnerable) among Connecticut's eight planning regions, with the highest composite risk score of 95.13. This leadership in vulnerability reflects the region's large population centers and coastal geography.

Riskier than all other coastal regions

South Central Connecticut's 95.13 score exceeds all neighboring regions, including Greater Bridgeport (91.76), Southeastern Connecticut (88.64), and Naugatuck Valley (93.19). Only Capitol Planning Region (97.36) poses comparable overall disaster risk.

Hurricane and flood are existential threats

Hurricane risk (97.00) and flood risk (96.88) are nearly maximal, making coastal storms and flooding the region's primary natural disaster concerns. Tornado risk (77.96) and earthquake risk (91.54) add secondary but meaningful threats across the densely populated region.

Comprehensive flood and wind insurance critical

With hurricane risk at 97.00 and flood risk at 96.88, South Central Connecticut residents must secure flood insurance immediately—it is not included in standard policies. Verify your homeowners policy includes comprehensive wind damage coverage and consider umbrella liability protection given the region's first-place ranking for state disaster risk.

Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor

Preparedness Guide

What to Prepare for in South Central Connecticut Planning Region

Risk Advisory: South Central Connecticut Planning Region

Risk Verdict

South Central Connecticut Planning Region carries an elevated natural disaster risk burden, scoring at the 95th percentile nationally under FEMA's 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

Hurricane risk is South Central Connecticut Planning Region's dominant natural hazard, ranked at the 97th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 97th percentile nationally. Additional tracked hazards include earthquake (92th percentile), tornado (78th percentile), wildfire (41th percentile).

Preparedness Context

Hurricane risk is South Central Connecticut Planning Region's top-ranked natural hazard at the 97th percentile nationally. The most time-sensitive preparedness step is knowing the county's evacuation zone for your address — zone maps are published by the county emergency management office. Alongside hurricane exposure, flood at the 97th percentile nationally means South Central Connecticut Planning Region households should plan for multiple hazard scenarios within a single storm event. South Central Connecticut Planning Region's county emergency management office publishes official evacuation zone maps with zone-specific shelter locations; downloading this map and identifying your zone assignment is the single highest-value pre-season step.

Regional Context

South Central Connecticut Planning Region's composite risk score sits 7.5 points above the Connecticut county average, placing it among the more hazard-exposed counties in the state.

Is your household prepared for South Central Connecticut Planning Region's hazards?

Review FEMA's county-specific preparedness checklists and emergency planning guides.

FEMA Ready Guide →

Frequently Asked Questions

What is the natural disaster risk in South Central Connecticut Planning Region, CT?
South Central Connecticut Planning Region has a FEMA National Risk Index rating of Relatively High, placing it in the 95th 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.
What types of natural hazards affect South Central Connecticut Planning Region?
South Central Connecticut Planning Region is evaluated for five major natural hazard types: hurricane (97th percentile), flooding (97th percentile), earthquake (92th percentile), tornado (78th percentile), wildfire (41th percentile). The highest-risk hazard is hurricane at the 97th 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.
How does South Central Connecticut Planning Region risk compare to the Connecticut average?
South Central Connecticut Planning Region's composite risk percentile is 95th, compared to the Connecticut state average of 88th percentile. The state's overall risk rating is Relatively Moderate. This means South Central Connecticut Planning Region faces higher natural disaster risk than the typical county in Connecticut.
Is South Central Connecticut Planning Region at risk for hurricane?
Yes, South Central Connecticut Planning Region's hurricane risk is at the 97th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, South Central Connecticut Planning Region is at the 97th percentile.
How is natural disaster risk measured?
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.
Why is South Central Connecticut Planning Region higher risk than average?
South Central Connecticut Planning Region's composite risk score of 95th percentile is above the Connecticut state average of 88th percentile. This elevated risk is driven by hurricane exposure (97th percentile), along with flooding and earthquake and tornado risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.
By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

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.

Explore more data for South Central Connecticut Planning Region