On this date in 1971, a massive tornado outbreak and snowstorm caused hundreds of casualties in the US.
A cold Arctic air mass collided with warm humid air in the south.
I remember that winter very well. It was extremely cold in New Mexico. Santa Fe was -15F and Albuquerque was -13F. My 9th grade earth science teacher was very excited about the “polar air mass.”
NASA was forecasting a new ice age by the year 2021.
The bad weather of the 1970s was blamed on global cooling and the new ice age. They called it “global climatic upheaval”