Flash Flood — Sullivan, New Hampshire

2013-07-02 · near Claremont, Sullivan, New Hampshire

Event narrative

Heavy rain from slow moving thunderstorms produced flash flooding in Claremont.

Wider weather episode

A very warm and humid air mass was in place over the region on the 2nd of July. Precipitable water values approaching 2 inches were common across the forecast area. Thunderstorms which formed on this day produced very heavy rainfall of 2 to 4 inches in less than 3 hours over already saturated ground. This resulted in the destruction of many roads and the flooding of apartments and residences in both Sullivan and Grafton counties.

View location on OpenStreetMap → (43.3800, -72.3500)

Source: NOAA Storm Events Database, event_id 471653. Narrative written by the NWS forecast office that issued the report.