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H2O

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  1. 3 minutes ago, wxmvpete said:

    850mb warm air advection continues to increase with 850mb frontogenesis that will support a band of heavier snow N&W of DC in the coming hours. What becomes the wildcard is the approach of a 500mb jet streak over the OH Valley overnight. At the nose of the jet, divergent flow atop the atmosphere will support healthy vertical velocities 12Z Tuesday. This is driving the snowier solutions from northern MD into eastern PA. The new NAM seems to feature similar setup.

    85mb Frontogenesis.JPG

    RAP 500mb.JPG

    500mb VVs.JPG

    Can you make is sag south a tiny bit?

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