UPDATE: January 2010
The World Meteorological Organization has verified and concluded that a new non-tornadic wind speed record has been set in Australia. The new record is 408 km/h during Tropical Cyclone Olivia in 1996.
Mt. Washington is a location known for severe weather. Intense cold, heavy fogs, and deep snow makes this location in New Hampshire famous for its weather. Mt. Washington stands at 6288 feet and is the highest peak in the Northeast United States. The mountain is part of the Presidential Range of mountains which includes Mt. Adams and Mt. Eisenhower in the White Mountains. Air is commonly forced over the mountains, making it a prime location for high wind speeds.
The Mount Washington Observatory