Before revision: The surprising finding reported in Deyugina and Molitor (2020) that a hurricane as devastating as Katrina reduced the mortality of  residents of New Orleans merits close scrutiny because it is inconsistent with intuition, theory and prior evidence (e. g., Laditka et al. 2010; Rhodes et al. 2010; Fussel and Lowe 2014; Calvo et al. 2015).
After revision: The surprising finding reported in Deyugina and Molitor (2020) that a hurricane as devastating as Katrina reduced the mortality of residents of New Orleans . The authors concluded that Hurricane Katrina improved the eight-year survival rate of elderly and disabled residents of New Orleans by 3\% and that most of this decline in mortality was due to declines in mortality among those who moved to places with lower mortality.