NY NJ PA Weather Forecasts

Minor snow threat for mid week, but warmer conditions are on the way!

6:45 AM
The water vapor this morning shows that one major storm is finally exiting and another is on the way over the southern Plains.
The winter storm over New England is the result of the lingering upper low from late weeks winter storm that interacted with another Sub Tropical disturbance over the Atlantic.  This low pressure [...]

Evening Thoughts-Summer Conditions Continue

5:07 PM
The upper low that will continue to cause heavy rainfall over the Mississippi Valley and southern Plains over the next few days is starting to take shape.  Note that moisture is driving as far north as Ontario, Canada with scattered showers throughout the Ohio Valley.
Of course, the more important feature for the New York [...]

Strong to severe thunderstorms moving through

9:40 PM

A cluster of strong to severe thunderstorms is moving through the Philadelphia metro and much of central and southern New Jersey this evening.  These thunderstorms are associated with a strong upper level disturbance and will not usher in any air mass change for tomorrow.  These thunderstorms will be capable of wind gusts over 55 [...]

Tracking Severe Thunderstorm Threat

Updates on the bottom!
11:03:05 AM: Weak showers and thunderstorms have developed over central Pennsylvania this morning and moving to the northeast.
11:03:25 AM: The atmosphere over the forecast area is very warm and humid with dew points already in the upper 60’s to lower 70’s.
11:03:53 AM: Isolated showers have be developing through the morning due to [...]

Another rainy day for the region

7:39 AM
A clash of air masses is unfolding right over the forecast area as the marine air mass that has been over the forecast area the past several days slowly is eroded from the region and off the coast.  The latest surface map best describes the current situation.  High pressure remains off the New England [...]

Evening Update- another disturbance on the way

8:13 PM
A disturbance along the stationary front is approaching the forecast area this evening with an area of showers and thunderstorms.  Given the heavy rain that has fallen, flood warning have been issued for parts of southeastern Pennsylvania this evening.  
These showers will continue to progress eastward through the overnight hours and will be aided [...]

Periods of heavy rain through Friday

1:59 PM
This afternoon, the disturbance over the southern Mississippi Valley is pushing towards the Tennessee Valley.  As a result, a surface low pressure system is quickly organizing over the Southeast.  As you can see with the radar, precipitation is quickly developing over southern Pennsylvania through the Ohio Valley while there is clearly a low level [...]

Raw conditions continue, but weekend weather looks great

9:02 AM
The stationary front this morning has finally pushed south of New Jersey, which puts the entire forecast area in a cool, marine dominated air mass for the next 48 hours.  The water vapor satellite gives us an excellent picture into what is going on and what will play out through Friday.  The disturbance that [...]

Strong line of thunderstorms solidifying

6:45 PM
The super cell thunderstorms that produced large hail, strong wind gusts around 65 mph, and a few wall clouds (possibly a tornado) over eastern Pennsylvania and the immediate Philadelphia metro has consolidated into a strong line of thunderstorms that will move through all of New Jersey and eventually all of the New York City.
The [...]

Severe potential redeveloping for Philadelphia metro

1:42 PM
The warm front associated with a strong area of low pressure over the Great Lakes is moving north towards New York City.  Skies have started to clear over central and southern New Jersey with strong clearing skies over Maryland and Delaware.  
Expect clouds over much of eastern Pennsylvania, New Jersey, and the immediate New [...]