Weather History for November 20
 
1869
A second great windstorm in three days struck Vermont and New York blowing railroad trains off their tracks. (David Ludlum)

1900
An unusual tornado outbreak in the Lower Mississippi Valley resulted in 73 deaths and extensive damage across Arkansas, Mississippi and Tennessee. (David Ludlum)

1914
The high temperature of 28 degrees at Atlanta, GA, was their earliest daily high below the freezing mark. (The Weather Channel)

1979
A blizzard struck Cheyenne, WY, producing a record 19.8 inches of snow in 24 hours, and a record total of 25.6 inches in forty hours. Strong winds created huge drifts stopping all transportation. (19th-21st) (The Weather Channel)

1987
Blustery northwest winds created snow squalls in the Great Lakes Region and the Upper Ohio Valley. Snowfall totals in Upper Michigan ranged up to 18 inches at Paradise. Lake City MI received 9.5 inches of snow in four and a half hours. Up to a foot of snow blanketed Oswego County in western New York State. Strong winds produced wind chill readings as cold as 22 degrees below zero at Duluth MN. (The National Weather Summary) (Storm Data)

1988
Thunderstorms developing ahead of a fast moving cold front produced severe weather in the Upper Ohio Valley and the Middle Atlantic Coast Region during the afternoon and early evening. Thunderstorm winds gusted to 69 mph at Kennedy Airport in New York City, and winds along the cold front itself gusted to 56 mph at Cincinnati OH. The same storm produced snow in Kansas, Missouri and Illinois, with eight inches reported at Rolla MO. (The National Weather Summary) (Storm Data)

1989
Low pressure brought thunderstorms and high winds to the northeastern U.S. There were 193 reports of damaging winds with thunderstorms in New York State, Pennsylvania and New Jersey. Tornadoes touched down near Seaside Park NJ and McAlevys Port PA. Winds with thunderstorms gusted to 92 mph at Poughkeepsie NY, and reached 94 mph at Newburgh NY. High winds in the Washington D.C. area, gusting to 73 mph, resulted in one death. (Storm Data) (The National Weather Summary)

Data courtesy of weatherforyou.com
See https://www.weatherforyou.com/weather_history/index.php