WEATHER BLOG: Sunday

Yesterday was simply beautiful across the region, especially the afternoon with near to above normal temperatures for the I-95 and plenty of afternoon sunshine. Another beautiful day is expected to ensue today with high pressure doing its best to bring us a pleasant end to the weekend. A slight increase in clouds will be possible towards the end of the afternoon and a highly isolated thunderstorm could pop over the western reaches of the area, however we are expecting a dry day for most of the viewing area.

On Sunday night will begin the first of many pieces of energy to move into the mid-Atlantic from the Great Lakes as weakness between the upper ridge over the plains and the one of the Atlantic provides a place for a trough to settle in. Sunday night will be dry for most still, but that first piece of energy will slide of DC and BWI, providing for a round of thunderstorms that will likely wake up a few.

Monday is a little different story, as upper level energy will be spread out across the region and instability will be a small amount of CAPE will be around, pretty much everyone will be under the threat for a run of mill thunderstorm. That said, low pressure off the coast that may have some tropical characteristics may in-fact protect the northern I-95 by providing some subsidence from Trenton on north. The best chance for activity on Monday looks to be from PHL on south. The story is very similar for Monday night.

On Tuesday, a more pronounced trough will be diving into the region on a similar trajectory as the previous pieces of energy. The worst of any severe weather during the period will be west of the mountains, but it will still be an active day across the I-95. The trough will deepen as it reaches the coast on Wednesday, and while high pressure will be working in from the northwest it wont be enough for a dry day at the coast. That high will bring some better weather for Thursday and Friday at least, however whether it holds through the weekend isn't clear yet.