Hill decided to leave the mountain and began driving down the twisting mountain road, but was unable to clear the area before the cloud arrived. He realised that the cloud was directly over him, writing later about it "emphasizing its presence with a blast of static on my car radio."
Hill chose to leave the mountain and started driving down the winding road, but couldn't escape the cloud in time.  He recalled the experience vividly, describing how the cloud appeared as a sudden surge of static on his car radio.