Look Like Rocks In The Sky

When preparing to go to work in the morning, I did not notice any anomalies. Later I saw people who were jogging & exercising in the park start to scatter while strong wind was blowing, then only I realized it's going to rain soon. Lumps of cloud was covering the sky and appeared like rocks hanging overhead. Soon after that, on my way rushing to the factory, rain started to fall. How nice if today is a non-working day so I can lay on bed to enjoy the cool weather :-)