The official definition of a blizzard is heavy snow with sustained winds of 35 mph or greater and visibility less than a quarter of a mile for at least three hours. These specific criteria will be met in the Cascade mountains on Tuesday as a powerful winter storm impacts western Washington.

In this segment of ARC Seattle, KOMO Meteorologist Kristin Clark explains what a Blizzard Warning means for travelers, and what we can expect with this incoming storm - including if we'll see some lowland snow this week.

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For more on the lead story: https://komonews.com/news/local/western-washington-blizzard-warning-issued-national-weather-service-cascades-olympic-mountains-wsdot-travel-drivers-snoqualmie-white-stevens-passes-lowland-seattle-snow-potential-winter-storm-pnw-what-to-know-freezing-temperatures#
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