UPDATE: The National Weather Service has listed a tornado warning it issued for Grafton County and Carroll County from about 3 p.m. to 4:30 p.m. Monday.
There is a severe thunderstorm watch for parts of those counties, as well as for southern New Hampshire.
At 5 p.m., a flood advisory was then issued for parts of Grafton and Carroll counties, due to the rainfall projections.
(An earlier report below here was posted during the tornado warning.)
A Severe Storm Front
At 3:54 p.m., a severe thunderstorm capable of producing a tornado was nine miles east of Lincoln, N.H., and moving southeast at 30 mph, according to the Weather Service.
It warns that the storm will be near Sandwich around 4:10 p.m., and Ossipee and Tamworth around 4:30 p.m.
The National Weather Service recommends people in that region take cover immediately by moving to a basement or an interior room on the lowest floor of their building -- and avoid windows.
The locations for possible impact include: Waterville Valley, Livermore, Albany, Madison, and Bartlett.
The region, as of 4 p.m., includes Mount Chocorua, Mount Whiteface, Osceola, Tecumseh, and the Tripyramids.
(This post was updated with additional information about the storm threat and adds Carroll County under the tornado warning.)