MANCHESTER, N.H. — Brutally cold temperatures and wind chills were recorded last week atop Mount Washington. The crew at the Mount Washington Observatory told News 9 that wind chills have ...

Last week, the observatory unveiled a project to expand the Mount Washington Regional Mesonet, a network of weather monitoring stations. There are 11 original stations in the network.

Until recently, the Mount Washington Observatory had about 17 remote weather monitoring stations. At the end of a four-year expansion, it’ll have more than 50, said its executive director.