Light Snow Event Thursday For PA, Nor’Easter for New England

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We are watching two areas of low pressure systems this week that will lead to our potential snow event on Thursday. One will be dropping out of Canada in the form of a weak clipper system, while another area of low pressure develops in the south and eventually heads northeast. Where these two systems merge off the coast on Thursday, is what makes the major differences between model guidance and also our snowfall amounts.

The quicker and further south these two systems merge, the more likely it is our state gets into a more note-worthy snowfall, especially Northeastern PA. The European model is the closest to this solution, therefore it is the snowiest of our current guidance, but even then we are only talking about a couple inches of snow at most verbatim. The GFS, merges the two systems a bit further north, leading to less of an impact for us.

Below is a graphic representing the differences between the GFS and Euro: 
Again, the European model merges these two systems off  the coast of NJ, leading to a more snowier solution, specifically for Eastern PA and points Northeast, while the GFS does not merge these two systems until it reaches near Cape Cod.

Regardless of the outcome, this does not look like it will be a big snow maker for PA. There is the potential for a 1-3/2-4 inch type snowfall mainly for Northeastern PA. However, we will have to keep a close eye on this storm, because if the two systems merge even quicker than the Euro is suggesting, then we would be talking about slightly higher totals.

For now, here is a map highlighting the areas under  the “snow threat” for Thursday:

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Area A: Potential for light to moderate snow accumulation.

Area B: Potential for light snowfall accumulation.

The Lower Susquehanna Valley into the Delaware Valley will likely be too warm and only see rain out of this system.

We will have more updates on this storm in the upcoming days, with more specific amounts released Tomorrow Evening. Don’t forget to share the forecast below!

Hello, my name is Josh Adams. This year I am a junior in high school in South Central PA. I have had a passion for weather since I was five or six years old, watching the Weather Channel when the average kid my age was watching cartoons. At age 11, I discovered that there is a significant amount of weather info online from knowledgeable meteorologists to weather models and everything in between. I had the privilege to take part in a group that held informational weather discussions nearly everyday. I gained a significant amount of knowledge in several months back in 2012, constantly studying meteorology for hours each and just about every day. I created Northeast Weather Action in early 2013, just after the previous winter had ended. Things were pretty slow to start, however the winter of 2013-2014 greatly helped grow the page. Several of my forecasts verified nicely across the area. I met Chris during that winter in a facebook group, and we talked often about anticipated weather events. Just before the start of the 2014-2015 Winter, I added Chris to Northeast Weather Action (now Pennsylvania Weather Action), and once again we hit several key forecasts. Chris and I are looking forward to giving you the most up to date and reliable forecasts!

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