Waves in the air

Strange day.
Went for a 60km ride with Leander (not determined when we started, but rather shortened by sudden rain, wind, hail and bad visibility).
As we were close to my house I drove him home by car (really necessary).
We were drenched and I had a quarter of a pint of water in my shoes (almost dry again now).
Lost my little bag of spare parts somewhere on the way, but luckily most I could replace instantly because I have some doubles (but not all, so fingers crossed to avoid flat tires tomorrow).
After the summer 'storm' we had a nice warm afternoon in the garden.
We were preparing diner in our garden when the above cloud-waves appeared and we wisely decided to eat indoors.