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New Hampshire Flood Stories

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

Flash Flood$10K damage

Coos, NH · May 30, 2011

A stationary front located through northern New Hampshire provided a focus for showers and thunderstorms to develop. Due to the slow movement and the training of the storms rainfall rates were high and resulted in flash flooding.

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Flash Flood

Cheshire, NH · Jun 26, 2023

On the evening of June 25, moderate to heavy rain occurred with rainfall rates briefly reaching up to 4��� per hour. Numerous storms repeatedly traveled over the same area of Southern Grafton County through midnight before the rain ended shortly after.

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Flash Flood

Merrimack, NH · Jun 28, 2023

Two rounds of rain moved across the state on June 28th with a weak frontal boundary. Light rain showers pushed through the state during the morning, with the first line of showers and thunderstorms moving into western New Hampshire by midday.

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Flash Flood

Grafton, NH · Jun 25, 2023

On the evening of June 25, moderate to heavy rain occurred with rainfall rates briefly reaching up to 4��� per hour. Numerous storms repeatedly traveled over the same area of Southern Grafton County through midnight before the rain ended shortly after.

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Flash Flood

Carroll, NH · Jun 28, 2023

Two rounds of rain moved across the state on June 28th with a weak frontal boundary. Light rain showers pushed through the state during the morning, with the first line of showers and thunderstorms moving into western New Hampshire by midday.

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Flash Flood

Carroll, NH · Jun 28, 2023

Two rounds of rain moved across the state on June 28th with a weak frontal boundary. Light rain showers pushed through the state during the morning, with the first line of showers and thunderstorms moving into western New Hampshire by midday.

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Flash Flood

Grafton, NH · Jun 28, 2023

Two rounds of rain moved across the state on June 28th with a weak frontal boundary. Light rain showers pushed through the state during the morning, with the first line of showers and thunderstorms moving into western New Hampshire by midday.

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Flash Flood

Sullivan, NH · Jun 17, 2023

A slow moving area of low pressure was centered over Southern Vermont on the morning of the 17th. Around mid-morning a band of heavy rain showers with embedded thunderstorms developed from Lebanon to Jaffrey.

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Flash Flood

Sullivan, NH · Jun 17, 2023

A slow moving area of low pressure was centered over Southern Vermont on the morning of the 17th. Around mid-morning a band of heavy rain showers with embedded thunderstorms developed from Lebanon to Jaffrey.

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Flash Flood

Cheshire, NH · Jun 26, 2023

On the evening of June 25, moderate to heavy rain occurred with rainfall rates briefly reaching up to 4��� per hour. Numerous storms repeatedly traveled over the same area of Southern Grafton County through midnight before the rain ended shortly after.

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Flash Flood

Sullivan, NH · Jun 17, 2023

A slow moving area of low pressure was centered over Southern Vermont on the morning of the 17th. Around mid-morning a band of heavy rain showers with embedded thunderstorms developed from Lebanon to Jaffrey.

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Flash Flood

Grafton, NH · Jun 25, 2023

On the evening of June 25, moderate to heavy rain occurred with rainfall rates briefly reaching up to 4��� per hour. Numerous storms repeatedly traveled over the same area of Southern Grafton County through midnight before the rain ended shortly after.

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Flash Flood

Grafton, NH · Jun 25, 2023

On the evening of June 25, moderate to heavy rain occurred with rainfall rates briefly reaching up to 4��� per hour. Numerous storms repeatedly traveled over the same area of Southern Grafton County through midnight before the rain ended shortly after.

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Flash Flood

Hillsborough, NH · Jun 26, 2023

On the evening of June 25, moderate to heavy rain occurred with rainfall rates briefly reaching up to 4��� per hour. Numerous storms repeatedly traveled over the same area of Southern Grafton County through midnight before the rain ended shortly after.

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Flash Flood

Hillsborough, NH · Jun 26, 2023

On the evening of June 25, moderate to heavy rain occurred with rainfall rates briefly reaching up to 4��� per hour. Numerous storms repeatedly traveled over the same area of Southern Grafton County through midnight before the rain ended shortly after.

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Flash Flood

Cheshire, NH · Jul 9, 2023

Saturday, July 8th through Monday, July 10th was an active weather period with numerous rounds of heavy rainfall moving across the state. Thunderstorms developed during the afternoon of Saturday, July 8th with scattered thunderstorms from the White Mountains down through the…

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Flash Flood

Cheshire, NH · Jul 9, 2023

Saturday, July 8th through Monday, July 10th was an active weather period with numerous rounds of heavy rainfall moving across the state. Thunderstorms developed during the afternoon of Saturday, July 8th with scattered thunderstorms from the White Mountains down through the…

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Flash Flood

Cheshire, NH · Jul 10, 2023

Saturday, July 8th through Monday, July 10th was an active weather period with numerous rounds of heavy rainfall moving across the state. Thunderstorms developed during the afternoon of Saturday, July 8th with scattered thunderstorms from the White Mountains down through the…

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Flash Flood

Coos, NH · Jul 11, 2023

Saturday, July 8th through Monday, July 10th was an active weather period with numerous rounds of heavy rainfall moving across the state. Thunderstorms developed during the afternoon of Saturday, July 8th with scattered thunderstorms from the White Mountains down through the…

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Flash Flood

Cheshire, NH · Jul 9, 2023

Saturday, July 8th through Monday, July 10th was an active weather period with numerous rounds of heavy rainfall moving across the state. Thunderstorms developed during the afternoon of Saturday, July 8th with scattered thunderstorms from the White Mountains down through the…

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Flash Flood

Sullivan, NH · Jul 10, 2023

Saturday, July 8th through Monday, July 10th was an active weather period with numerous rounds of heavy rainfall moving across the state. Thunderstorms developed during the afternoon of Saturday, July 8th with scattered thunderstorms from the White Mountains down through the…

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Flash Flood

Cheshire, NH · Jul 10, 2023

Saturday, July 8th through Monday, July 10th was an active weather period with numerous rounds of heavy rainfall moving across the state. Thunderstorms developed during the afternoon of Saturday, July 8th with scattered thunderstorms from the White Mountains down through the…

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Flash Flood

Belknap, NH · Jul 16, 2023

On the evening of July 15th isolated thunderstorms developed across southern New Hampshire. Storm movement mitigated flash flooding across the state, except for the city of Manchester where multiple storms traveled directly over the city on the evening of July 15th.

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Flash Flood

Carroll, NH · Jul 16, 2023

On the evening of July 15th isolated thunderstorms developed across southern New Hampshire. Storm movement mitigated flash flooding across the state, except for the city of Manchester where multiple storms traveled directly over the city on the evening of July 15th.

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