After a downpour in Parkersburg, West Virginia, water covered parts of the roadway, and a video from the scene shows motorists still trying to get through. The clip underscores how fast familiar streets can turn risky during flooding, with some vehicles unable to make it through. Here's what to know Dig Doug's Artifacts (@digdoug236) filmed vehicles moving across a street covered by rainwater. Some made it through the flooded section, but at lea…