Well she is actually an authoritative source. I have no reason to doubt her results. So rare for the denier argument.
But this may be a case of definitions. What defines cold snaps? Are they same as cold spells? How much is time of spell vs temp included?
At any rate she is one researcher and others disagree.
Three scientists whose studies have connected Arctic warming to changes in extreme events disagree.
Because such atmospheric pressure changes happen occasionally, quick studies that rely on averages miss extreme events like the recent cold spell, said James Overland of the
National Oceanic and Atmospheric Administration
++++++++++++++++
If one actually listens to Al Gore, he is not saying it's a definate thing. He will say something like " Some scientisits believe the jet stream is........so more cold or warm spells.....". The preponderence of the evidence.
And in case anyone is wondering if the Arctic is warming faster than anywhere on earth...
....and how could this NOT effect the jet stream?