FloodZoneMap.org

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

Coos, NH · Dec 18, 2023

Low pressure began organizing in the Gulf of Mexico on the 16th, setting record low sea level pressures as it traversed the Southeast through the 17th.

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Flash Flood

Grafton, NH · Dec 18, 2023

Low pressure began organizing in the Gulf of Mexico on the 16th, setting record low sea level pressures as it traversed the Southeast through the 17th.

Read the full account →
Flash Flood

Grafton, NH · Dec 18, 2023

Low pressure began organizing in the Gulf of Mexico on the 16th, setting record low sea level pressures as it traversed the Southeast through the 17th.

Read the full account →
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

Merrimack, NH · Jul 8, 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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Flood

Grafton, 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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Flood

Grafton, 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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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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Flood

Merrimack, 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…

Read the full account →
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…

Read the full account →
Flood

Hillsborough, 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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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…

Read the full account →
Flood

Coos, 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…

Read the full account →
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…

Read the full account →
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…

Read the full account →
Flood

Grafton, 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…

Read the full account →
Flood

Merrimack, 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…

Read the full account →
Flood

Sullivan, 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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Flood

Merrimack, NH · Jul 17, 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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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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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…

Read the full account →
Flood

Merrimack, 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…

Read the full account →
Flood

Carroll, 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…

Read the full account →
Flood

Sullivan, 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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