Upcoming La Nina Winter: Cooler and Wetter than Normal

By Cliff Mass Weather Blog – Re-Blogged From WUWT

There comes a point during mid-summer when the veil of uncertainty lifts regarding the nature of the upcoming winter season and we are at that point now.

The key tool for seasonal forecasting in our region is the correlation between El Nino (warmer than normal water in the tropical Pacific) and La Nina (the opposite) and the large-scale weather circulation over our region.    El Nino years tend to bring our region warm/drier conditions with a lower than normal snowpack. La Nina years tend to be cooler/wetter and are the periods skiers dream of.

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