DELAWARE VALLEY REGION Philly South Jersey Delaware DELAWARE VALLEY REGION Philly South Jersey Delaware

Active 2 week period ahead

Discussion started by PhillyWeather13 8 months ago

After a relatively warm November, December has started off with temperatures near to at times slightly above normal. However, there are somewhat strong indications that this will not last long as changes seem to be occuring which will signal a fairly active period ahead with several threats on the horizon over the next 2 weeks:


Sunday Night-Monday Morning (12z RGEM)

Attached Image

A weak System will be approaching from the west as it taps a little bit of GOM moisture. This would result in rain or a rain/snow mix near the big cities while light snow falls further inland with most of the 12z guidance suggesting .5"-2" of snow for NEPA, SE NY as well as Upstate NY.

December 8th-9th (12z GFS)

The animation I believe speaks for itself but it does bear watching regardless especially once you go into NEPA and Upstate NY.

December 11th-12th

12z EURO has a 984mb low about 300 miles too far off the coast but does leave a swath of snow across Kentucky, Virginia, West Virginia, Maryland, Delaware and Southern NJ and clips Nantucket. 12"+ snows for the area in the Atlantic that just has water and no land. This definitely bears watching as we could be in a position to cash in further north of these areas depending on storm track, and temperatures.

There is also a threat for the December 15th-17th timeframe, I will refrain from specifics though until we get closer to the event. However as you can see, we have several opportunities over the next 2 weeks for wintry weather so for those who are getting impatient waiting for the first snow of the season, we may not have to wait much longer to see the ground covered in white.

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