The winter is not abnormally cold. It's just been an abnormally long
time since we had one. Siberia got all the cold last year, along with
central Europe, same deal the polar vortex dipped down on that side.
We used to get a cold blast at least once a winter every four or five
years, this time it's been 20 years since the last one, and 30 since
one this cold.
California is having record heat and drought.
Average world temperature is indeed up quite a bit in terms of
average, if not a huge amount in absolute temp, but there are far more
high temperature records being broken every year than low temperature
records, even in cold areas.
The ship that got caught in Antarctica was trapped by a blizzard that
froze the lighter surface fresh water. Once the wind stopped blowing
the surface ice into the shore ice, it opened up and the ship is now
on it's way home, unharmed.
Don't forget that the climate has not always been what it is in North
America -- not all that long ago the tall grass pararie extended into
Ohio, what is short grass like Nebraska was deep desert and most of
the southwest was more like the deep Sahara with intervals of rain
decades apart, not years. Not all that much longer ago, the ice
sheets covered most of north America.
Peter
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