Tag Archive for 'exiting'
February 12th, 2010 by Steven DiMartino
7:42 AM
As high pressure brings dry conditions and clear skies to the northern Mid Atlantic, a moisture loaded storm is brewing over the Southeast. This time the Philadelphia and New York City metropolitan areas will not have to worry about the developments along the Gulf Coast as the strong low pressure that impacted the region [...]
February 9th, 2010 by Steven DiMartino
8:22 AM
A significant winter storm is beginning to develop over the Gulf Coast that will bring the entire forecast area heavy snowfall and very strong winds. The most significant impacts will be focused towards the coastal plain once again, where many locations have experienced one of the snowiest winters of all time. This storm will [...]
January 12th, 2010 by Steven DiMartino
7:07 AM
This morning, a cold front is moving through the northern Mid Atlantic with scattered flurries throughout the New York City and Philadelphia metropolitan area. The cold front associated with these flurries is not very well defined and the majority of the cold air advection and isolated precipitation is being driven by an upper level [...]
August 30th, 2009 by Steven DiMartino
4:45 AM
With Danny exiting the tropical Atlantic and becoming an extratropical low pressure system, the tropical Atlantic has returned to a quiet state.
Once again, the majority of the tropical Atlantic is dominated by a series of upper lows that continue to inhibit development of any tropical wave. One upper low is situated over the western [...]
June 20th, 2009 by Steven DiMartino
7:30 AM
The forecast for today through tonight is best described as significantly complicated and potentially very active. The main theme is basically the progression of the warm front currently over southwesterly Pennsylvania through eastern Virginia. I want to start with the fact that the surface low pressure system is further north and weaker than forecasted [...]
June 20th, 2009 by Steven DiMartino
6:38 AM
Clouds will continue to increase through the morning hours as a low pressure system and warm front approaches the coast. Showers and thunderstorms will move through the coastal water late this morning through early in the evening. The showers and thunderstorms will move quickly, however will be capable of very heavy downpours. A few [...]
June 19th, 2009 by Steven DiMartino
7:15 AM
As low pressure exits the forecast area this morning, a brief break in the clouds and rainfall can be expected through the day. In case anyone forgot, that big bright ball in the sky is called the sun, and no we are not in Seatlle. Weak high pressure over the eastern Great Lakes will [...]
June 19th, 2009 by Steven DiMartino
6:37 AM
Clear to partly cloudy skies can be expected through the overnight hours as a low pressure system continues to exit the coast and weak high pressure builds in from the eastern Great Lakes. Another area of low pressure developing over the western Ohio Valley will move towards the Mid Atlantic on Saturday. There is [...]
June 18th, 2009 by Steven DiMartino
The latest updates can be found at the bottom!
8:36:31 AM: The steady rain is close to coming to an end as the back end of the heavy rain moves through eastern Pennsylvania.
8:37:32 AM: The occluded front is still off to the west of the region and will continue to slowly progress eastward through the afternoon.
8:38:03 [...]
June 18th, 2009 by Steven DiMartino
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 [...]