Power lines at sunrise (IMAGE) American Geophysical Union Caption Louisiana and Florida are the states with the highest risk for back-to-back hurricanes, which can exacerbate infrastructure damage and slow recovery times, according to new research in Geophysical Research Letters. Credit Andrey Metelev Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.