Jun 9, 2023
An upper level low was located directly over the region on June 9th. Daytime heating, a moist atmosphere in place and instability aloft allowed for thunderstorm development during the afternoon hours. A cluster of storms developed across southeast New Hampshire and dropped very heavy rain in a localized area of Rockingham County.
Source: NOAA National Weather Service Storm Events Database (event 1102892). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Rockingham County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.