Dark skies over Øresund

Tonight at about half past six, the sky over Øresund suddenly turned dark and grey. Just seconds before a small hailstorm I shot this picture:

This is how the DFDS ferry Pearl Seaways - on its way to Oslo - looked during the bad weather:

The Dutch freighter Missisippiborg (134 x 16m) also passed by on its way  to  Philadelphia