Migration section   The last paragraph footnote  as of todays date cites a vague claim by George Weber in his magnum opus at wwwandamanorg regarding survival of species upwind who were also protected by being in the southern hemisphere However Toba is not that far from Java and Flores only about  degrees of latitute and all lie in the equatorial region where the wind pattern is Doldrums  calm and unpredictable To declare that a mega explosion like Toba would have effects only downwind is even more strange so I think we should cut or modify the final paragraph