This map looks decidedly tropical, even as Sandy transitions to a post-tropical storm. Rain so far has been coming down in buckets along the Chesapeake Bay and before 10am it had rained well less than an inch along I-95.
Check the colors and the legend:
That gradient should even out a little this afternoon and tonight as rain band are oriented more East/West vs. North/South. We think Southern Virginia will be much drier than Northern VA for the rest of the storm.