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Flood — Merrimack, NH

Dec 26, 2020

On Christmas Day a strong low pressure system tracked up the spine of the Appalachians and to the west of New Hampshire, resulting in 1 to 2 of rain across the region will locally up to 4 in the favorable upslope areas of the White Mountains. Melting snow and partially frozen ground led to excessive runoff and resulted in minor river flooding across the region.

Source: NOAA National Weather Service Storm Events Database (event 935077). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Merrimack, NH

This event is one of many recorded floods in Merrimack County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Merrimack County flood data →

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