New Storm Targets The Coast

A beautiful sunrise Tuesday morning but a little chilly with temperatures dipping into the 20s.

A new storm is developing and all signs point to a nor’easter.

Source: NOAA/NASA

The clouds associated with the developing storm are just south of the Chesapeake Bay region.

Surface Weather 5:21am, Nov 6, 2012

Source: NOAA

Low pressure will shift eastward to the southeast Atlantic coast, turn to the north and strengthen. Computer models seem to be settling on a solution that would position the storm center just far enough off the Mid Atlantic coast Late Wednesday that the Baltimore/Washington metro areas would be on the western edge of the precipitation shield. If this proves to be correct, the heaviest rains of up to one inch are most likely east of the Bay.

Cold air on the west side of the storm is likely to allow for a chance of light snow or snow mixing with rain as the storm pulls northeast of the area late Wednesday.

The RPM/WRF model from WSI is on the aggressive side of the equation as far a snow is concerned. Keep in mind that the forecast map above represents one hour of accumulation and positions the storm center relatively close to the coast. Other models track the storm a bit farther east with a slightly reduced precipitation impact.

The storm’s wind field will likely bring blustery conditions to the area. The DELMARVA Peninsula should experience the strongest winds, especially along the coast.

Temperatures since Sandy moved through the area have been colder than the seasonal average. There is light at the end of the tunnel in that regard. By the weekend, temperatures should moderate to above average with dry conditions.

Check out the forecast any time at www.wbaltv.com/weather

John Collins

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