As I was reading Hanson et al 2012... That made me think of another recent contemplation about energy required and available for all that melting as per http://dl.dropbox.com/u/22026080/Hare1976.QR.PersistentProblemsEnergytoMeltLIS.pdf [Broken]. So Hare triggered me to do some very rough order of magnitude calculations on http://dl.dropbox.com/u/22026080/icemeltenergy.xlsx [Broken] to find that the melting of the ice sheets in the last glacial maximum would have required some ROM of 30 W/m2. Now looking at the July insolation graph on 65 North latitude lowest one here we see insolation variations of 50-80 W/m2, so that seemed not unreasonable initially. However in combination with Hanson et al 2012 and the earliest dating of the Missoula floodings after 21,400 years ago, a question arises. If you have a flood, you need to melt the ice first and looking at the insolation graph, we were at a minimum at that time and the ice should have been accumulating - insolation wise. So where did the energy come from? What is wrong here?