Firefighter Irfan Mujeebuddin in Houston lived through Hurricane Harvey from two perspectives at once — both as a rescue worker and an evacuee. Irfan was on shift at the fire station the Sunday night after the hurricane struck Texas. A tornado had taken the roof off a friend’s home, but the winds had died down. “It was almost a sigh of relief that there were some damages that were sustained but we made it through,” he said. That is, until they realized the worst was still to come—floodwaters, rising slowly but relentlessly. ‘A Very Tough Night’ Irfan lives west of Houston, a stone’s throw from two dams that protect the downtown…