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Connecticut · Risk Readiness
What's actually likely where you live.
Before the emergency — maps, tools, and the honest picture of what Connecticut throws at different parts of the state.
See CT hazardsCT hazard profile
Primary hazards. Ranked.
Connecticut's most frequent and damaging hazard. The February 2013 'Nemo' blizzard dropped 40 inches in some areas — the largest snowfall in state history. The October 2011 Alfred nor'easter knocked out power to 830,000 customers for up to 10 days. Major nor'easters hit CT several times per winter, and the late-season wet snow events are particularly destructive to trees and power lines. Connecticut's Long Island Sound coastline faces storm surge from both hurricanes and nor'easters. Sandy (2012) caused significant coastal damage and flooding across the shoreline towns. Irene (2011) caused $900M in damage from flooding across the state. The Connecticut River valley from Hartford to the Sound floods with every major tropical system that tracks up the coast. The Connecticut, Housatonic, and Thames rivers all flood regularly. Hartford has flooded catastrophically multiple times — the 1936 flood killed 19 people. Inland flash flooding in the hilly western and eastern uplands can be sudden and severe. Basement flooding from combined sewer overflow affects urban communities statewide during heavy rain events.
Winter ice & snow storms
Ice accumulation causes prolonged power outages and road closures across the state.
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Hurricanes & tropical storms
Direct landfalls and tropical moisture bring catastrophic wind, surge, and inland flooding.
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Flooding
Flash floods, river flooding, and coastal surge affect low-lying areas and river corridors.
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Tornadoes
Occur across most of the state, often embedded in severe thunderstorm lines and tropical systems.
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Heat waves
Extreme heat events endanger vulnerable residents and stress power infrastructure.
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Official tools
Look up your address. Know your risk.
FEMA Flood Zone Lookup
Enter your address to see your flood zone designation and insurance requirements.
Source: FEMA
USGS Earthquake Map
Real-time earthquake activity and seismic hazard maps for your region.
Source: USGS
Wildfire Risk Score
Your property's wildfire exposure score based on vegetation, terrain, and proximity to wildland.
Source: USFS
River Gauges
Real-time river levels and flood stage by county.
Source: USGS WaterWatch
Drought Monitor
Weekly drought conditions by county.
Source: US Drought Monitor
Private Well Resources
Water quality guidance for households on private wells.
Source: EPA
Insurance gaps
What your homeowner's policy doesn't cover.
Standard homeowner's policies in Connecticut exclude flood damage. Flood insurance through the NFIP has a 30-day waiting period — it cannot be purchased when a storm is forecast. Check your declarations page annually to confirm your coverage limits and deductibles.
Not in your standard policy
Flood damage — requires NFIP or private flood policy
Earthquake damage — requires separate endorsement
Sewer & drain backup — requires endorsement ($50–$100/yr)
Landslide / mudflow — generally excluded
Next steps
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During an emergency
Find alerts, contacts, and shelters.
NC emergency contacts, alert signups, and real-time information.
Local EmergencyGet prepared
Run through the CT checklist.
Step-by-step actions based on the hazards that apply to Connecticut.
CT Checklists