NY NJ PA Weather Forecasts

Light rain and snow tonight leads to minor accumulations

6:36 PM
I have been hinting for some time that the precipitation shield for tonight’s storm was going to be more expansive than what was being forecasted.  However, I am not very impressed with the accumulation potential for this storm.  The first and foremost is the warm boundary layer temperatures.
Besides the fact that the surface freezing [...]

Upper low to bring light to moderate snow through this evening

7:49 AM
A strong upper low over northern Virginia this morning will move through New Jersey this afternoon with bands of light to moderate snow throughout the Philadelphia and New York City metropolitan areas.  This upper low will support the intensification of an area of low pressure to the east of Monmouth County, New Jersey which [...]

Heavy rain impacting the morning rush hour, major snow threat looming for this weekend

7:32 AM
This morning, an impressive cold front is moving through central Pennsylvania and producing heavy rainfall throughout the Philadelphia and New York City metropolitan areas.  The cold front will continue to progress east this morning and exit the New Jersey coast by 12 PM and eastern Long Island by 2 PM.  The rainfall with this [...]

After morning showers, temperatures fall

7:20 AM
This morning, a strong disturbance is moving through central Pennsylvania producing rain and snow showers throughout the Philadelphia and New York City metropolitan areas.  As this disturbance is moving east, the surface trough is strengthening into a closed low that will produce a period of moderate snow over the central and northern Hudson Valley [...]

Arctic cold front leads to cold and stormy period

7:22 AM
A cold front with an arctic air mass on the verge of driving into the New York City and Philadelphia metropolitan areas is slowly pushing through central Pennsylvania this morning.  This cold front is running into an air mass with a lack of deep moisture, so showers are widely scattered at worst.  As the [...]

Evening Thoughts: The approaching snow event

8:20 PM
Tonight I am going to focus on the next 36 hours as a moisture loaded low pressure system approaches the northern Mid Atlantic, which will be under the influence of a cold Polar air mass.  The forecast of this storm is no doubt difficult to nail down as there are two significant competing features [...]

As rain exits, temperatures decline through the day, snow on the way?

8:02 AM
Last night, an impressive low pressure system cut through the eastern Great Lakes, producing moderate to heavy rain over much of the Philadelphia and New York City metropolitan areas.
The heavy rain has come to an end with the linger threat of a few scattered showers through the morning hours.  Temperatures are very warm this [...]

Cold front marks start of cool period of weather

6:50 AM
A cold front over central Pennsylvania will continue to progress to the east this morning and move through the Philadelphia and New York City metropolitan areas this afternoon.  For the most part, an available moisture has been focused well to the east with yesterday’s coastal low that is now over the northern portions of [...]

Mesoscale features and the rainfall tonight

9:23 AM
I’m going to break up this morning’s coverage in two posts.  This one will focus on the next 48 hours given all the concern about weather impacts for this evening’s ALCS game.
This morning, a strong cold front is currently pressing to the east at a rather slow pace.  The cold front is currently over [...]

Evening Thoughts- Blowing Winds and Cooler Conditions

9:12 PM

The low pressure system that blew past the forecast area this morning is now located over the Canadian Maritimes, however a strong pressure gradient is aiding in producing a stiff westerly to northwesterly wind around 10 to 20 mph with higher gusts.  The pressure gradient is weakening over central Pennsylvania as high [...]