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Weekend winter storm threat lingers in Northeast

We’ve discussed for a few days the threat for wintry weather this coming weekend – and while the evolution of the forecast has changed in the atmospheres mid and upper levels, the threat for wintry weather still does exist. With that being said, forecast model guidance continues to offer little help in regards to consistency and confidence as we move forward. A complicated situation is set to evolve across the Great Lakes and Northeast States this weekend.

An initial disturbance is still likely to drop southward into the Great Lakes, well from the northwest, associated with Pacific energy. It will undercut a piece of what is known as the “tropospheric polar vortex” – or the polar vortex that exists in our troposphere, where we experience most of our weather. The interactions between these two disturbances will be critical, and forecast model guidance is struggling with exactly how the two of them will behave.

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