Weather Balloon
Just look at this forecast:
Minus-60 wind chills expected for some states this weekend.
https://m.youtube.com/watch?v=ooS2mDl6VEA&feature=youtu.be
Then look at these results:
Historic winter blast blankets Northeast
https://m.youtube.com/watch?v=CFBsfIDNKzw&feature=youtu.be