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Tropical Storm — Southern Grafton, NH

Aug 4, 2020

Tropical Storm Isaias was the first tropical storm to impact New Hampshire since 2011. The center of the storm tracked west of the state, keeping the flooding rain associated with the storm across New York. The primary impacts the storm brought to New Hampshire were gusty winds with widespread reports of wind gusts in the mid to upper 40s. Numerous trees and branches were brought down with scattered power outages across the state. An area of enhanced damage was concentrated in Carroll County

Source: NOAA National Weather Service Storm Events Database (event 918486). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Southern Grafton, NH

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

View Southern Grafton County flood data →

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