Mid-Atlantic Mess Coming: DC, Baltimore & Philly
January 19, 2012
- While I would love to be blogging about a widespread 3 to 6 inches of snow for the Washington to Philadelphia corridor, it looks like the warm air will win out in the end with the system headed our way Friday night through Saturday.
- Precipitation will begin as snow for everyone Friday night before changing over to sleet and freezing rain Saturday morning.
Cold Air Damming: Cold air trapped at surface, warm air glides on top (www.DCstorms.com)
- Freezing rain may hold on throughout the event for portions of the Shenandoah Valley, northern Maryland, the Susquehanna River Valley and the northern and western suburbs of Philadelphia on Saturday.
Snow and Ice Accumulations by Saturday Evening (www.DCstorms.com)
- A dusting to one inch of snow can be expected in Northern Virginia, Baltimore, Philadelphia, & central and southern New Jersey before a change over to sleet and freezing rain occurs Saturday morning.
- Central Pennsylvania, the Lehigh Valley, northern NJ, and New York City can expect 3 to 6″ of snow. The Poconos could easily wind up with totals closer to 8″.
- The long-term looks much more promising for more winter weather as we head into late January and February. Some brutal arctic outbreaks are likely as the Arctic Oscillation tanks. The NAO (North Atlantic Oscillation) is trending neutral to negative, but until we actually see it go negative… I will remain cautiously optimistic that we can get a Bos-Wash (Boston to Washington… Northeast Megalopolis) Blizzard before this winter is out. Stay tuned!
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