Alene, a woman experiencing homelessness who uses crutches to get around, walked for more than an hour Saturday morning to get to a North Portland cooling center. She got there early, about 11 a.m., but temperatures were already creeping toward 90 degrees. The cooling center, which is open 24 hours a day, was a welcome respite from the heat. “It’s great that it’s here because it’s hot and I ...