winter storm Grayson


3 Questions Worth Answering in the Wake of Winter Storm Grayson

, senior analyst, Climate & Energy Program

Yesterday in Massachusetts we were asking ourselves questions that have rarely, if ever, needed asking.

What happens when half-frozen seawater suddenly floods onto roadways? Can something the consistency of a milkshake and 3 feet deep be plowed? There’s a large dumpster floating down the street… What depth of water is sufficient to do that? What happens if some of this water freezes in place before it retreats (as I write this, the temps have plummeted to 12 degrees F and dropping)? Will those cars now filled with seawater in the snow-emergency parking lot run again? What if the water freezes inside them over the weekend, can that punch out doors? Read more >

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The jet stream and polar vortex on January 3, 2017. Map from the University of Maine Climate Change Institute.

The Polar Vortex, Winter Storm Grayson, and Climate Change: What’s the Connection?

, senior climate scientist

Forecasters are trotting out “polar vortex” and atypical terms like “Nor’easter bomb” and “bombogenesis.” These words signal the unusual and dangerous conditions forecast for winter storm Grayson and their implications for the Southeast US,  Mid-Atlantic, and eventually New England and beyond. What do they mean?   Read more >

University of Maine Climate Change Institute
University of Maine Climate Change Institute
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