It shows that ice thickness used to increase by 1.5 metres over the winter, but now it only increases by half that much. This is complete nonsense – the ice is thinner now and should increase by more than it used to, because the water has less insulation between it and the air.

PIOMAS is a critical tool for Arctic alarmists, because it allows the brain-damaged faithful to believe that the Arctic is going to become ice-free.