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Flash Flood — Hillsborough, NH

Aug 22, 2009

Hurricane Bill developed into a tropical depression over the eastern Atlantic on August 15, 2009. Bill then strengthened into a hurricane over the next week, passing well to the east of Nantucket, August 22-23. While Bill passed Southern New England well offshore, he still made quite an impression on the area. Tropical moisture feeding into the area resulted in heavy rainfall which led to flooding and flash flooding. High swells churned up by Bill resulted in high surf and coastal flooding a

Source: NOAA National Weather Service Storm Events Database (event 192178). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Hillsborough, NH

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

View Hillsborough County flood data →

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