Bonfires are often linked to foggy nights and calm weather, as the smoke particles aid the formation of smog.

The cloud sweeps in off the sea around dawn like a dark wave, set dramatically against an otherwise clear sky during calm weather.

Each spring these dark clouds surge across the skies in the early morning during calm weather.

But what are we to make of all this mayhem after the balmy, calm weather of last month?

Farther along the coast, devastating waves struck in calm weather.