BALTIMORE — It is going to get much colder next week as a preseason Arctic push moves into the eastern and southeastern U.S. A nor’easter may also develop by Friday, November 13. Snow is possible, with even some mixed slushy flakes in metro Baltimore. Accumulation looks most likely in the mountains, including Garrett County, Maryland.
Deep Trough Brings a Rare November Cold Shot
The European model jet stream forecast for Friday shows a deep trough digging into the eastern U.S. The trough has a negative tilt, a setup that can help strengthen coastal storms. Cold air is shown pouring south all the way toward the Southeast.
This cold will not be as intense as it would be in January. Still, an Arctic push this strong in mid-November is a rare occurrence. It is tied to the effects of the recent polar vortex disruption.
GFS Model Shows the Most Snow
The GFS model is showing the most snow, with about 6 inches in
. It also shows 8 to 14 inches in the inland suburbs toward the Catoctin Mountains. Heavy snow is shown near York and McHenry as well…