Theo Bosboom,Theo Bosboom / Gulls, predominantly Iceland gulls (Larus glaucoides) flying above stormy ocean near Vik, Iceland, March 2012.

Ernie Janes / Boats on Cley Beach with stormy clouds above, UK November 2012

Pascal Tordeux / Walnut (Juglans regia) in field of ripe barley before a storm, Ribemont, Picardy, France.

David Noton / Footpath / track through a field of barley under stormy sky, near Plush, Dorset, UK June 2012

Jack Dykinga / Sand storm cutting across the Mesquite Sand Dunes in Death Valley National Park, California, USA 2010

Graham Eaton / View towards Arenig Fach over open moorland, with stormy sky and dark clouds. Snowdonia NP, Gwynedd, Wales, UK, October

Mark Hamblin / 2020VISION / View looking towards Marsco, with stormy sky and the River Sligachan in foreground, Isle of Skye, Inner Hebrides, Scotland, UK, November 2010

Edwin Giesbers / White Stork (Ciconia ciconia) on nest, silhouetted against stormy sky. The Netherlands, April.

Philip Stephen / Fishing vessel "Harvester" heading to North Sea fishing grounds in stormy weather. Europe, November 2010. Property released.

Aflo / Y-10805 Forked lightning racing across sky at night

Yva Momatiuk & John Eastcott / Heavy cumulus clouds gather before storm above sagebrush desert, central Wyoming

Ross Hoddinott / Weathered groyne, pebbles and stormy evening sky at Bossington beach, Exmoor National Park, Somerset, UK. October 2008.