When I was young and silly
I was cruising along at about 160kmh - that's about 100mph, and I saw a sign that said "warning surface flooding". I looked around and could see big puddles on the side of the road, but the road was dry, so I carried on as I was.
Whooo, I came over a slight ridge and there was a pool of water for about 120 or 150 meters. Luckily I had the sense not to brake and just kept going. Physics as they are kept the car going straight ahead and it sailed (pun intended) over the top fine. It did a bit of a correction when it hit dry road at the other side, but not enough to throw the car around.
Umm, not the sort of thing I would want to try again.