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Connecticut · FEMA + NOAA + National Risk Index

Windham County, CT

2 FEMA disaster declarations (2021–2021). Most common hazard: Hurricane.

2
FEMA declarations
1
Major disasters
Hurricane
Top hazard

How does Windham County compare?

Windham County vs. every U.S. county

FEMA disaster declarations, all-time

2 22nd percentile higher than 22% of 2,791 counties

This county 0 30 all U.S. counties FEMA tracks, bucketed by value

Each bar is a band; taller bars hold more counties. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source FEMA Disaster Declarations Summaries v2 · 2026-07-25

How disaster-prone is Windham County?

Declaration frequency

Windham County, Connecticut has recorded 2 FEMA disaster declarations between 2021 and 2021, of which 1 were classified as Major Disaster declarations (DR) requiring federal individual and public assistance. That puts the county's average at - declarations per year, or roughly 47% below the Connecticut county average of 3.8 and 48% below the national county average of 3.8. The dominant disaster type on record is Hurricane, with 2 of 2 declarations falling under this category.

Flood exposure & the bottom line

Taken together, Windham County reads as low relative risk on this historical lens, fewer federally recognized disasters than a typical U.S. county.

Risk Assessment

Risk Level

Low

vs. Connecticut Avg

-47%

State avg: 3.8

vs. National Avg

-48%

National avg: 3.8

Avg Per Year

-

-

FEMA NRI 8-hazard radar - Windham County

Windham County NRI risk profile 8-axis FEMA National Risk Index radar showing per-hazard composite scores for Earthquake 0, Flood 0, Hurricane 0, Tornado 0, Wildfire 0, Drought 0, Heat Wave 0, Winter Storm 0. Overall composite 0 of 100, classified Low. Earthquake Flood Hurricane Tornado Wildfire Drought Heat Wave Winter Storm 0 composite
Windham County NRI risk profile FIPS 09015 · composite 0/100 (Low)
How to read this radar

The radar plots Windham County's relative exposure to the eight headline natural hazards used by the FEMA National Risk Index. Each axis is the qualitative NRI risk rating (Very Low through Very High) re-expressed on a 0-100 scale so that the polygon shape lets you compare a county against another at a glance. A rounder polygon means broad multi-hazard exposure; a spiky polygon means one or two dominant hazards drive most of the modeled risk.

FEMA Records

2

Total declarations

NRI Source

FEMA 2023

Latest NRI release

County FIPS

09015

CT state code

Source: FEMA National Risk Index FEMA National Risk Index Per-county per-hazard ratings, 2023 release

Disaster Types

Hurricane 2

Declaration Types

What DR / EM / FM mean

FEMA categorizes declarations as Major Disasters (DR), Emergencies (EM), or Fire Management Assistance (FM).

Emergency - 1 50.0%

of all 2 declarations

Major Disaster - 1 50.0%

of all 2 declarations

FEMA Declarations Timeline

Year Declarations
2021 2

Disaster Declarations

DR# Title Type Incident Date
3564 HURRICANE HENRI EM Hurricane 2021-08-22
4580 TROPICAL STORM ISAIAS DR Hurricane 2021-01-12

Storm Events in Connecticut

Storm Type Events Fatalities Injuries Property Damage
Thunderstorm Wind 1,083 7 16 $9.3M
Winter Weather 392 1 5 $162.7K
Flash Flood 343 3 0 $9.3M
Heavy Snow 178 0 0 $53.0K
Strong Wind 160 1 2 $2.3M

Source: NOAA Storm Events Database NOAA Storm Events Database State-level aggregated data, 2015–2025

Counties with Similar Risk in Connecticut

Frequently Asked Questions

How many natural disasters has Windham County, Connecticut had?
Windham County, Connecticut has received 2 FEMA disaster declarations from 2021 to 2021. Of these, 1 were major disaster declarations.
What is the most common disaster type in Windham County?
The most common disaster type in Windham County is Hurricane, with 2 declarations.
How does Windham County's disaster risk compare to the Connecticut average?
Windham County has 2 disaster declarations, which is 47% lower than the Connecticut county average of 3.8 declarations. Compared to the national county average of 3.8, it is 48% lower.
How many major FEMA disaster declarations has Windham County received?
Windham County has received 1 major disaster declaration, representing 50% of all 2 disaster declarations. Major disaster declarations typically involve significant damage requiring federal assistance.
What types of storms are most common in Connecticut?
The most common storm types in Connecticut include Thunderstorm Wind (1,083 events), Winter Weather (392 events), Flash Flood (343 events). NOAA storm event data covers severe weather from 2015 to 2025.
What is the overall disaster risk level for Windham County?
Windham County's 2 FEMA disaster declarations put it in the low-risk band, fewer federally recognized disasters than a typical U.S. county over the same span.
Data Sources & Methodology

Disaster declaration data comes from the FEMA OpenFEMA Disaster Declarations Summaries v2 API, which includes all federally declared disasters, emergencies, and fire management assistance grants.

Storm event data is sourced from the NOAA Storm Events Database (2015–2025), which tracks significant weather events including thunderstorms, tornadoes, floods, and winter storms.

This data is provided for informational purposes only. FEMA disaster declarations represent federal response actions and may not capture all local emergencies or weather events.

What this means for Windham County

Windham County, CT runs 47% below the Connecticut county average for federal disaster declarations (2 vs 4), a low historical load overall.

  • Its most common federal declaration type is emergency (1 of 2) - know the hazards most likely here before they happen. Connecticut overview
  • See how this county ranks against the rest of the country for disaster frequency. Most-disaster rankings
  • Read how to read FEMA declarations, NRI risk scores, and what they do and don't tell you. Disaster-data guide

Historical declaration counts describe past federal response, not a forecast. For current threats, follow the National Weather Service and local officials; in an emergency call 911.

All federal data sources used on this page
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainHazard Editorial

Verify with FEMA → · Verify with FEMA NRI → · Verify with NOAA →

Every figure on PlainHazard is rendered directly from FEMA federal disaster data, no number is typed in by an editor. This page draws directly on FEMA federal disaster data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or national statistics report, or report a data error.