Tag Archive for 'southeastern Pennsylvania'
March 14th, 2010 by Steven DiMartino
9:45 AM
The area of low pressure that has produced widespread flooding and wind damage continues to sit just southwest of the Philadelphia metropolitan area over central Maryland.
The low pressure system is currently drawing an area of showers and thunderstorms into the forecast area from the Atlantic. These showers and thunderstorms are capable of heavy downpours, [...]
February 17th, 2010 by Steven DiMartino
6:10 AM
As the low pressure system that produced light to moderate snowfall over much of the northern Mid Atlantic exits into the north Atlantic, high pressure takes hold with a well deserved break from winter weather precipitation for the region.
Yesterday’s snowfall ranged from an inch over southeastern Pennsylvania and southern New Jersey to as much [...]
February 16th, 2010 by Steven DiMartino
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 [...]
January 21st, 2010 by Steven DiMartino
8:10 AM
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The Sub Tropical disturbance moving through the Mississippi Valley is well organized and impressive, which is allowing the disturbance to draw plenty of moisture to the north over the Gulf Coast, Tennessee Valley, and Southeast. However, the current trend in guidance combined with the latest observations of the water vapor satellite images suggest [...]
January 21st, 2010 by Steven DiMartino
7:22 AM
This morning, a strong Sub Tropical disturbance is driving out of the Mississippi Valley and moving towards the Tennessee Valley. This disturbance will eventually reach the southern Mid Atlantic coast by tomorrow morning to bring portions of the Philadelphia metropolitan area a mix of snow, sleet, and rain.
Currently, the disturbance is pulling up moisture [...]
October 13th, 2009 by Steven DiMartino
9:05 PM
Fall is in the air, literally, as a strong Polar air mass builds into the Philadelphia and New York City metropolitan areas this evening. I could smell the change in the air mass as the air just smelled cleaner, kind of that fleshly raked leaves type smell that I loved when I was a [...]
October 10th, 2009 by Steven DiMartino
9:45 AM
This pattern for October is about to get a lot more interesting for the Mid Atlantic over the next several weeks. However, before I dive into all the fun details I’m looking at this morning, lets deal with the here and now!
A cold front is slowly moving through eastern Pennsylvania and western New Jersey [...]
June 10th, 2009 by Steven DiMartino
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 [...]
June 3rd, 2009 by Steven DiMartino
8:55 PM
The cold front that will like plaque the forecast area for the next two days is slowly slipping south through Cape May County, New Jersey and the Delaware Bay this evening. Strong to severe thunderstorms continue to impact much of Cape May County this evening as moderate instability remains in the atmosphere. However, as [...]
June 2nd, 2009 by Steven DiMartino
6:36 AM
A weakening cold front is currently pressing through central Pennsylvania this morning with showers and weak thunderstorms racing towards much of eastern Pennsylvania. The cold front the past six hours is significantly weakening with surface pressures along the cold front boundary rising at a rate of 1 to 2 MB per hour. This basically [...]