October 7th, 2009 by Steven DiMartino
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 [...]
June 21st, 2009 by Steven DiMartino
9:23 AM
Low pressure east of Long Island and south of New England has stalled and will impact the forecast area over the next several days. Variable cloud cover can be expect today through Tuesday. Scattered showers will be rotating through the coastal waters through this afternoon as the low pressure system slowly drifts east. Showers [...]
March 16th, 2009 by Steven DiMartino
6:03 AM
The Sub Tropical Jet stream continues to bump moisture directly into the forecast area, which is producing overcast conditions over the Philadelphia metro and New Jersey coast. High pressure over the eastern Great Lakes will continue to build into the forecast area producing clearing conditions over much of the Hudson Valley, Connecticut, northern Pennsylvania, [...]
January 24th, 2009 by Steven DiMartino
8:06 PM
I issued an upgrade to the alert levels (Alert Stage Two) because there is increasing support via the model guidance AND (more importantly) the actual evolution of the current pattern to support a likely winter storm for the forecast area.
The focus here is from Tuesday night through Friday night. The forecast area will [...]
January 18th, 2009 by Steven DiMartino
10:28 PM
The coastal low is now the primary low pressure system, but that has occurred a bit too late for much of an impact for the Philadelphia metro, northeastern Pennsylvania, and northwestern New Jersey.
Light to moderate snow will continue for about another 30 to 45 minutes along the immediate central New Jersey coast or basically [...]
January 2nd, 2009 by Steven DiMartino
9:20 PM
There’s a lot of excitement over the trend of the model guidance towards a colder solution for Tuesday night and Wednesday, specifically the 18Z GFS.
While I can understand the excitement, I want to state that the 18Z GFS does not exactly have the strongest of support. While I agree that a coastal low is [...]