OK, you know the drill by now. It's summer, it's warm and humid (although a little less so than yesterday), there's an extra source of moisture from the high ground water content, and there are a couple of triggering mechanisms in the form of two weak frontal boundaries in the region and some upper-level instability rolling through this evening.
Accordingly, the NWS has issued a severe thunderstorm watch for the area until 11pm. The Flash Flood Warning for the Lake Needwood Dam in MoCo also continues. By 4pm, radar showed only isolated activity, some of which was locally intense, ranging over the map in location from upper MoCo (weakening as it moved eastward) to nearing Culpeper, to north of Charlottesville, and to west of Ocean City. The forecast for tonight through the weekend and beyond are below the fold.
Climate Corner: Comedy Central CoverageLast night's Daily Show on Comedy Central devoted half the program to an interview with ex-next President Al Gore on the subject of his climate-change documentary "An Inconvenient Truth". The show will be repeated this evening at 8pm and most likely during their holiday break next week.