By Nomako Odawna, Accra — The rain started around 3 a.m. At first, it was a steady patter on the rooftop. Then it turned into a roar. Within an hour, muddy water surged through the alleys and spilled into living rooms. Mattresses floated. Fridges toppled. Children screamed. For 42-year-old trader Kojo Mensah, it was the fourth time in two years his home had been submerged. “We didn’t even sleep,” he said. “We just stood in the water, waiting for it to stop.” In flood-prone communities like Odawna, Nima, and Kaneshie in Accra, flooding is no longer a seasonal nuisance — it’s a permanent threat, an annual trauma, and a glaring…