During each of the past three years, something quite bizarre has happened in the central Arctic.
No, global warming did not cause some Thing to rise up out of the ice and go on a rampage. It was temperatures that rose up. And not just by a little.
This occurred during extreme warming events near the North Pole that sent temperatures spiking close to, or above, the freezing mark for one to three days. Compare that to average winter temperatures in winter: typically lower than minus 30 d