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Connecticut Flood Stories

420 first-hand accounts of flood events in Connecticut, ranked by impact. Each is a NOAA-written narrative of the moment.

Tropical Storm$1.5M damage

Southern New London, CT · Aug 4, 2020

Category 1 Hurricane Isaias with maximum sustained winds of 85 mph, made landfall near Ocean Isle Beach, NC at 11:10 pm on August 3rd. Isaias' intensity weakened back to Tropical Storm strength as its forward speed increased to near 30 mph during the early morning of August…

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Tropical Storm$1.5M damage

Northern New London, CT · Aug 4, 2020

Category 1 Hurricane Isaias with maximum sustained winds of 85 mph, made landfall near Ocean Isle Beach, NC at 11:10 pm on August 3rd. Isaias' intensity weakened back to Tropical Storm strength as its forward speed increased to near 30 mph during the early morning of August…

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Tropical Storm$1.3M damage

Southern Middlesex, CT · Aug 4, 2020

Category 1 Hurricane Isaias with maximum sustained winds of 85 mph, made landfall near Ocean Isle Beach, NC at 11:10 pm on August 3rd. Isaias' intensity weakened back to Tropical Storm strength as its forward speed increased to near 30 mph during the early morning of August…

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Tropical Storm$1.3M damage

Northern Middlesex, CT · Aug 4, 2020

Category 1 Hurricane Isaias with maximum sustained winds of 85 mph, made landfall near Ocean Isle Beach, NC at 11:10 pm on August 3rd. Isaias' intensity weakened back to Tropical Storm strength as its forward speed increased to near 30 mph during the early morning of August…

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Flash Flood$600K damage

Hartford, CT · Aug 22, 2021

Tropical Storm Henri made landfall in southwest Rhode Island around noon on August 22nd, then moved slowly northwestward and westward across northern Connecticut and weakened. Henri brought strong wind gusts and flash flooding.

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Flash Flood$50K damage

Fairfield, CT · Aug 18, 2024

A frontal system over the area on August 18th allowed for the development of rain early in the morning. As the day progressed, mesoscale features including multiple boundary interactions and a mesolow allowed thunderstorms to continue to intensify with persistent back-building…

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Flash Flood$50K damage

New Haven, CT · Aug 18, 2024

A frontal system over the area on August 18th allowed for the development of rain early in the morning. As the day progressed, mesoscale features including multiple boundary interactions and a mesolow allowed thunderstorms to continue to intensify with persistent back-building…

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Flash Flood$50K damage

New Haven, CT · Aug 18, 2024

A frontal system over the area on August 18th allowed for the development of rain early in the morning. As the day progressed, mesoscale features including multiple boundary interactions and a mesolow allowed thunderstorms to continue to intensify with persistent back-building…

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Flash Flood$50K damage

Fairfield, CT · Aug 18, 2024

A frontal system over the area on August 18th allowed for the development of rain early in the morning. As the day progressed, mesoscale features including multiple boundary interactions and a mesolow allowed thunderstorms to continue to intensify with persistent back-building…

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Flash Flood$50K damage

Litchfield, CT · Jul 10, 2023

A strong upper-level system brought widespread rounds of showers and thunderstorms to northwestern Connecticut on July 9-10, 2023. Northern and western portions of the county were hardest hit with rainfall amounts between 4 and 7 inches.

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Flash Flood$50K damage

Litchfield, CT · Jul 9, 2023

A strong upper-level system brought widespread rounds of showers and thunderstorms to northwestern Connecticut on July 9-10, 2023. Northern and western portions of the county were hardest hit with rainfall amounts between 4 and 7 inches.

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Flood$50K damage

Litchfield, CT · Dec 18, 2023

An area of low pressure tracked up the East Coast and intensified in the process as it brought widespread heavy rainfall across northwestern Connecticut on December 18, 2023.

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Flash Flood$20K damage

New Haven, CT · Aug 18, 2024

A frontal system over the area on August 18th allowed for the development of rain early in the morning. As the day progressed, mesoscale features including multiple boundary interactions and a mesolow allowed thunderstorms to continue to intensify with persistent back-building…

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Flood$20K damage

Litchfield, CT · Jan 10, 2024

A strong storm system brought gusty winds, heavy rainfall, river flooding and a light accumulation of high elevation wet snow to northwestern Connecticut from the afternoon hours on January 9 into the early morning hours on January 10, 2024.

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Flood$30K damage

Litchfield, CT · Dec 18, 2023

An area of low pressure tracked up the East Coast and intensified in the process as it brought widespread heavy rainfall across northwestern Connecticut on December 18, 2023.

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Flood$25K damage

Litchfield, CT · Jul 9, 2023

A strong upper-level system brought widespread rounds of showers and thunderstorms to northwestern Connecticut on July 9-10, 2023. Northern and western portions of the county were hardest hit with rainfall amounts between 4 and 7 inches.

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Flash Flood$100K damage

Hartford, CT · Sep 2, 2021

On Sept. 1, Tropical Depression Ida tracked northeasward from the central Appalachians and arrived in southern New England late in the day as a remnant low.

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Flash Flood$10K damage

Litchfield, CT · Aug 18, 2024

A coastal low pressure system led to prolonged periods of heavy rainfall in northwest Connecticut on August 18, 2024. Rainfall totals were greatest in southern Litchfield County where total accumulations ranged from 1.75 to 8.80.

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Flash Flood$10K damage

Litchfield, CT · Aug 18, 2024

A coastal low pressure system led to prolonged periods of heavy rainfall in northwest Connecticut on August 18, 2024. Rainfall totals were greatest in southern Litchfield County where total accumulations ranged from 1.75 to 8.80.

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Flash Flood$20K damage

Litchfield, CT · Jul 10, 2023

A strong upper-level system brought widespread rounds of showers and thunderstorms to northwestern Connecticut on July 9-10, 2023. Northern and western portions of the county were hardest hit with rainfall amounts between 4 and 7 inches.

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Flash Flood$25K damage

Litchfield, CT · Jun 30, 2024

A cold front tracking south east across northwest Connecticut brought scattered showers and thunderstorms, some of which became severe in Litchfield County.

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Flash Flood$60K damage

Tolland, CT · Aug 22, 2021

Tropical Storm Henri made landfall in southwest Rhode Island around noon on August 22nd, then moved slowly northwestward and westward across northern Connecticut and weakened. Henri brought strong wind gusts and flash flooding.

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Flash Flood$50K damage

Middlesex, CT · Sep 2, 2021

Extremely heavy rainfall associated with the remnants of Hurricane Ida overspread southern Connecticut during the evening of September 1 and continued through the early morning hours of September 2.

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Flash Flood$50K damage

Hartford, CT · Sep 2, 2021

On Sept. 1, Tropical Depression Ida tracked northeasward from the central Appalachians and arrived in southern New England late in the day as a remnant low.

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