The heavy rainfall from the atmospheric river poses several risks to Oregon residents. Prolonged precipitation can lead to river flooding, particularly in low-lying areas, and increase the likelihood of landslides in mountainous regions. Saturated soil and strong winds may cause trees to fall, potentially damaging power lines and leading to outages. Travel disruptions are also expected due to flooded roads, landslides, and debris. Warmer atmospheric rivers could result in rain at higher elevations, increasing runoff and flood risks, while colder systems may add to the mountain snowpack.