Free weather forecast for New York, New Jersey, and eastern Pennsylvania.
9:40 PM
There are some indications that I’ve seen in the past hour that has me a bit worried about significant ice for central, western, and northern New Jersey and much of eastern Pennsylvania.
At this point, most model guidance had the low level cold air pushed out of central and southern New Jersey and warm air [...]
7:27 AM
The first observation I noticed throughout the forecast area was how dry the air was. This is a big deal everyone for one simple reason. Evaporational cooling.
The precipitation seen over Delaware and Maryland will slowly push north today, as high pressure gives way over the next 8 to 12 hours. Clouds will continue to [...]
11:42 AM
The following are officially snowfall observations from the National Weather Service:
DELAWARE
…NEW CASTLE COUNTY…
RED LION T 100 PM 12/31
WILMINGTON T 100 PM 12/31 SNOW OBSERVER
NEW JERSEY
…BURLINGTON COUNTY…
MOUNT HOLLY 0.2 110 PM 12/31 NWS OFFICE
…GLOUCESTER COUNTY…
NATIONAL PARK T 100 PM 12/31 SNOW OBSERVER
…MORRIS COUNTY…
MARCELLA 1.4 1030 AM 12/31 SPOTTER REPORT
HACKETTSTOWN [...]
6:50 AM
The low pressure system this morning that was expected to move through central New Jersey to actually developing over northern Delaware with significant pressure falls to the east of Atlantic City. The precipitation seen over central Pennsylvania will continue to solidy as the new low pressure system takes over and intensifies this morning.
Temperatures along [...]
The coastal low is rapidly taking over as the primary low as pressures fall off the Delaware coast. The precipitation shield should be watched for some “back building” over eastern Pennsylvania through late morning and into the early afternoon. However, the majority of the precipitation is over southeastern Pennsylvania, away from Philadelphia.
Over New Jersey and [...]
8:18 AM
Temperatures are currently on a falling trend over Delaware and looks to be beginning over southeastern Pennsylvania and Philadelphia. Winds have backed to the northwest, which is driving cold air over interior Pennsylvania towards the coast.
This development will lead to a change to frozen precipitation throughout the coastal plain and will continued to [...]
8:03 AM
Be careful with those winter radar images this morning. While rain is falling over west central and southwestern New Jersey, temperatures are being reported below freezing suggesting freezing rain is falling over locations such as Wrightstown (31), Mount Holly (29), and Philadelphia (30).
The CAD over the forecast area appears to be holding nicely. [...]
6:41 PM
Now I know some of you have noticed that the precipitation is breaking up a bit over southern New Jersey and Delaware, however this is just a break in the precipitation. The low pressure system along the cold front is still well to the southwest over Kentucky and will move through the forecast area [...]
A band of moderate snowfall is moving through the Delaware Bay and will move across southern and eventually central New Jersey in the next 4 hours. This band of snowfall will reduce visibility below a 2 miles and increase the potential for accumulations over an inch of snow.
Meanwhile, I can report snowfall accumulations have [...]
The precipitation over the Mid Atlantic is starting to show significant signs of back building, which indicates that the coastal low’s influence is starting to take hold. Of specific importance is the precipitation redeveloping and expanding over southwestern New Jersey, Delaware, and extreme eastern Maryland around Galena.
Another area of development can be seen over [...]
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