Really? Once again... Somebody that was THERE confirmed the roads were wet.
And take a closer look at these two photographs.
http://www.flickr.com/photos/capfacs...7625192896912/
http://www.flickr.com/photos/capfacs...7625192896912/
Particularly the yellow lines. Plain as day.
When you have a 3800lb car sliding into dirt/sand it is a given that dry shit underneath of the surface layer will be kicked up.