On the first official day of winter, Mother Nature dished out a dizzying number of surprises.
Snow and ice hit Michigan, Canada, New England and upstate New York. Some other eastern regions had temperatures in the 60s and 70s. Flooding in the South was blamed for at least four deaths while apparent tornadoes caused destruction in Arkansas.
Here's a collection of images showing how people in the U.S. and Canada dealt with the unsettled weather.
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