Major Pattern Change for Mid-Atlantic Next Weekend

The Madden Julian Oscillation (MJO) is finally moving out of phase 7 and back into phase 8 this weekend. The image above shows warmer than average temperature anomalies over the Eastern United States in phase 7 with cooler than average temperatures in phase 8. You need cold air for wintry weather and with a very active storm pattern continuing, things are looking very interesting this weekend and beyond.

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Additional Snow and Ice Accumulations through Noon Tuesday

The future-cast radar image above from the latest High-Resolution-Rapid-Refresh (HRRR) model depicts snow (blue) holding on strong across the PA-MD state border and sinking a bit south over the interstate 70 corridor this evening where additional snowfall accumulations of 1 to 4″ are possible.

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