Possible Major Upper Level Pattern Change in Mid-February & Opportunities for Snow in DC

The ground hog is being mocked after predicting 6 more weeks of winter. Winter is being “declared over” by some.  Snow lovers in the big cities of the northeast from DC to Boston are gnashing their teeth. Fans of snowless winters are cheering! Headlines, Hype and Potential Premature Judgements aside, I want to briefly visually walk you through the current upper level pattern and offer a glimmer of hope for those of you who want at least one decent snowfall before winter is over.

The image below shows the continuation of this “broken-record pattern” that has allowed for a relentless winter across the western United States and winter void of snow in the big cities of the Northeast:

  • Negative PNA Oscillation (Unrelenting trough across the western United States) with a fast west to east flow (jet stream) across the continental United States and mild conditions in the eastern United States.

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