They are pretty clouds, We were on the bike heading to Idaho 3 years ago, and we fallowed a thunderstorm all the way tell we got into Penoelton, I told hubby I did not like the looks of the storm we were following, so we stopped for the night. The next morning we got into Idaho and stopped at the first rest stop. They said they had 90 mile an hour winds with that storm, and there were trees knocked down all over the rest stop. We thank God we stopped for the night, as a motercycle is no match for winds that strong. God bless. Penny