Saturday Storm Update

The developing nor’easter continues to strengthen off the North Carolina coast and the Mid Atlantic region is experiencing a mix of rain and snow.

The late morning rain/snow line runs from northeast Carroll County, through western Howard County and into Virginia near Leesburg. The Baltimore metro area temperatures dropped into the upper 30s around 5am Saturday and have remained fairly steady since that time. The metro area received a wintery mix for a brief period of time with some slush accumulation but most of the precipitation has been rain with .52 inches of liquid measured since mindnight.

Source: National Weather Service (9:30am Saturday, October 29, 2011)

The morning surface map shows the storm center near Cape Hatteras. Circulation around the storm has been producing northerly winds over Maryland but as the storm center moves northward winds should veer more easterly for a period of time transporting relatively mild Atlantic air toward the Bay, keeping temperatures in the upper 30s to around 40 degrees, holding most if not all of the snow west of the metro area. Once the storm is off the mouth of the Delaware Bay winds should start to veer more northerly and then northwesterly, allowing the rain/snow line to move closer to the Bay for a brief period of time before precipitation ends during the evening hours.

The immediate Baltimore metro area remains on tap to receive a trace to 2 inches of wet snow by the time the storm ends. Just to the north and northwest snow totals could range from two to six inches where elevation increases and colder temperatures prevail in portions of Carroll and northern Baltimore Counties.

Check for updates throughout the day and tune in WBAL TV-11 for the latest information.

John Collins

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