What helped Tilly to understand that Tsunami was coming? Tilly’s geography lesson taken just two weeks before the Tsunami helped her to understand that Tsunami was coming. Related posts: Where had Tilly seen the sea behaving in the same strange fashion? How do you think her geography teacher felt when he heard about what Tilly had done in Phuket? If Tilly’s award was to be shared, who do you think she should share it with — her parents or her geography teacher? How was Meghna saved?