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Nothing strange about a tornado in February in Wisconsin rule
(midwest.social)
Be sure to follow the rule before you head out.
Rule: You must post before you leave.
It's also an el nino year which generally have warmer winters. If it flips to la nina next year we will likely have more extreme winter events in North America like the last few years. We're likely to alternate between very extreme hot and cold weather events every few years because of the ENSO cycle and global warming.