Stop for a minute and look at the photo. This is not just another photo of clouds. Look further, intense rainfall is clearly visible near the horizon. I don't know about it yet, but in 20 minutes this precipitation will be here, at the place where I took the photo.
Of course, this is not surprising. Another thing is strange. I take photos at an ambient temperature of +23 degrees. When the rain comes here, the temperature will drop sharply to +9 degrees. And it will happen in 20 minutes. Winter is coming :)