Mount Washington, NH Just Experienced Biggest Windstorm in a Decade With 165mph Gusts The storm on Sunday night could have been the biggest windstorm on Mount Washington, NH in 10 years, explains meteorologist Chris Tomer. You might also like:ย VIDEO: Insane Blizzard Conditions At Mount Washington Observatory Peak gust was clocked at 144mph and sustained at 115mph, and peak gusts were forecast to potentially reach 165mph.ย Based on gusts alone, that makes it a CAT-4 […] Industry News WeatherBrains | February 26, 2019 0 Comments