Without the blocking pattern and a positive PNA we are going to deal with a strong cold front with a wave of low pressure running up the front with a band of snow behind it. While this may seem simplistic pattern for snow, it is also a pattern that can bring heavy snows to some areas. Since we don’t have blocking, we have a positive tilt trough coming through as shown on the GFS and ECMWF models, although the trough on the ECMWF actually becomes negative heading out to sea.

I was a little surprise to see the GFS model showing snow from Texas to New England on the 12z run which I think might be overdone. We will probably see a skinny band of snow starting from the Mississippi Valley and expanding in width Northeast where it becomes major snow event for the Northeast and perhaps even the I-95 cities from Richmond north.

Snow Today through Thursday…

Big Daddy Snowstorm Next Week?

I am concern that if this storm comes about, the big cities end up with 4+ inches of snow. That could happen if the low stays off the coast as the trough comes in from the Northwest.

There is a lot on the table for next week and we could looking at an early season snow event for a large part of the eastern half of the country. I will be curious to see what the ECMWF has since it backed off some on the storm on last nights run.

A Look at the various models on the storm. Click on the images below.


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