Cliff Mass, our Pacific Northwet weather guru, posted this tidbit on his blog today: “During the last few days we have experienced an early and unusually sustained atmospheric river event that has dropped 1-4 inches over the Northwest.”

When a river of moisture occurs in cooler weather here they are inaffectionately known as a Pineapple Express.

Whatever you call them, they are very wet and from a meteorologist’s perspective, look like this: