Will clouds dampen severe threat some?
Posted Jun29, 2008 at 01:36 PM
Many ingredients for severe thunderstorms are in place today -- moisture, relatively strong winds aloft, and an approaching strong cold front to lift air upward. Heating, which provides instability as colder air moves in aloft, is a bit lacking right now, as clouds from last night's storm have blocked much of the sunlight. Temperatures are holding in the 70s in much of the Roanoke and New River valleys. Still, as the afternoon progresses, expect to see thunderstorms develop. South and east of us -- Southside Virginia, the Piedmont of Virginia and North Carolina -- may have the best shot at severe weather, where it is hotter, but I would not be surprised to see some storms fire along the cold front and move in late this afternoon. Also ... there's still a few hours for the sun to break out and get things cooking a little more.
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