He has produced some graphs of selected representative regions for the characterizations, and they seem OK except for some enormous changes at northern high latitudes with the Japanese model. With scaling these are up to 26 deg C (Arctic Ocean - we haven't looked at Arctic land yet)! Seasonal changes in the tropics are nearer a few deg C and in the Antarctic are less than 10 deg C.
The Hindu: an interview with Ed Witten
1 hour ago