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Since 1980, there have been thirteen El Niño winters in Portland, Oregon. On average, El Niño winters produce less snow than average in Portland, with an average snowfall of 2.4 inches, compared to the average Portland winter snowfall of 4.2 inches. However, the last El Niño winter, in 2018-2019, produced above-normal snowfall in Portland, with 7 inches of snow. This demonstrates that the impact of El Niño on winter weather in Portland can be unpredictable.
Given the El Niño forecast of a warm, dry winter, why did we have one of the earliest cold snaps in late October and experience heavy rain in the past few weeks? It is important to remember that weather forecasting is complex and uncertain. Regardless of whether or not we have snow this winter, we expect some sort of hazardous winter weather and are prepared to act quickly when it comes. http://www.pacscape.com/services/snow-ice.php
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