The warning was based on a severe thunderstorm that had the potential to produce a tornado and was moving northeast at 30 mph.
A tornado watch was put in place for all of New Hampshire except Coos County, remaining in effect until 3 p.m.
There were no confirmed tornado touchdowns at the time of the article.
Flash flood warnings were also issued in multiple areas, including Merrimack, Hillsborough, Rockingham, Cheshire, Belknap, Strafford, Sullivan, and Grafton counties.
Drivers were advised to avoid water-covered roadways and seek alternative routes due to the flash flood warnings.