Dec 23, 2022
Beginning on December 22nd a powerful storm was developing over the Ohio River Valley. On December 23rd the center of the storm was deepening rapidly (974mb) as it lifted through the eastern Great Lakes. While the center tracked into southern Ontario, high pressure retreated into the Canadian Maritimes creating a strong pressure gradient across the region. Strong southerly winds developed as a result, with speeds in excess of 80 knots at around 2,000 feet. Several rounds of strong to damaging wi
Source: NOAA National Weather Service Storm Events Database (event 1069744). Narrative written by NWS staff at the time of the event.
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.