Ernie Janes / Sherringham off shore windfarm in distance, and rainbow during storm, Weybourne, Norfolk, November

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

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) with rainbow and storm clouds. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) with rainbow and storm clouds. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.

Christophe Courteau / Audierne Bay in storm at low tide, Brittany, France

Steven Kazlowski / Dall sheep (Ovis dalli) solitary animal at sunset with a storm moving across the sky, Denali National Park, interior Alaska, USA

Sandra Bartocha / Dark clouds above the North Sea, Norderney, Germany, September

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

Jack Dykinga / Cheyenne River Sioux Tribal Park with severe storm clouds at sunset amid vast grassland, South Dakota, USA

Ben Hall / Curlews (Numenius arquata) group flying over the sea during storm. Wales, UK December. Highly commended, 'Habitat' division, British Wildlife Photography Awards (BWPA) competition 2012.

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

Brent Stephenson / A cruise ship heads back up the Beagle Channel towards Ushuaia at the end of an Antarctic cruise. Beagle Channel, Tierra del Fuego Archipelago, South America, December.

Sven Zacek / Waves washing up a beach under dark clouds. Hiiumaa Island, Estonia, Europe, August 2011.

Ernie Janes / Coastline with pier and groynes from Overstrand to Cromer with storm clouds overhead, Norfolk, UK, July 201

Ernie Janes / Two people walking on Cley beach near boats looking towards Blakeney Point with storm clouds overhead, Norfolk, UK, July 2011

Ole Jorgen Liodden / Blue Whale (Balaenoptera musculus) blowing, with Black-legged Kittiwake (Rissa tridactyla) in the water spray. Spitsbergen, Svalbard, August. Runner up in the Birds category of GDT competition 2014.

Ernie Janes / Storm clouds building up off coasts of Norfolk, Weybourne Cliffs, Norfolk, UK, November

Pascal Tordeux / Lone Maple (Acer) in a field against cumulo-nimbus and mammatus clouds. Picardy, France, May.

Niall Benvie / 2020VISION / Silhouette of Stac Pollaidh against storm sky, viewed from Tanera More, Coigach and Assynt, Sutherland, Scotland, UK, July 2011

Bence Mate / Confrontation between a great egret (Ardea alba) and grey heron (Ardea cinerea), Lake Csaj, Kiskunsagi National Park, Hungary.

Bryan and Cherry Alexander / Dramatic 'Undulatus asperatus' cloud formation as a storm builds at dawn over Qaanaaq, Inglefield Bay. Northwest Greenland, September 2008. This cloud formation was first proposed as a new type of clo...

Inaki Relanzon / Isolated rain storm above the sea. Bahamas Sea, Bahamas, North America, August 2006.

Juergen Freund / Lightning storm over the Australian outback at dusk. Queensland, Australia, February 2008

Bernard Castelein / Reflection of mountain range, in Tso Kar lake, Ladakh, India, June 2010

Luiz Claudio Marigo / View of Brazilian Baroque town Ouro Preto (UNESCO World Heritage Site)Minas Gerais State, southeastern Brazil.

Vincent Grafhorst / Thunder storm with lightning bolts at sunset over Kalahari, Khutse Game Reserve, Botswana

Christophe Courteau / Clouds during the rainy season in the Kalahari Desert, Botswana, March 2009

Steve Knell / Boreray, under low cloud cover. This holds the largest gannetry in UK (60,000 pairs) St. Kilda, Scotland, July 2009

Guy Edwardes / Ruppell's Griffon Vulture (Gyps rueppellii) flying against storm clouds, coming in to land on carcass Serengeti National Park, Tanzania, Africa, February

David Woodfall / Severn Estuary at ebb tide in rainstorm. This habitat is potentially threatened by proposed tidal barrage. England, UK April 2010

Pete Oxford / Waved albatross (Phoebastria irrorata) in flight with storm clouds, Punto Cevallos, Española (Hood) Island, Galapagos islands, Equador, South America

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

Alan Watson / Storm clouds approaching over tropical rainforest growing on limestone island, Los Haitises National Park, Dominican Republic, Caribbean, October 2009

David Woodfall / Dark monsoon rain clouds over the Pasur river, Ganges delta, Bangladesh, November 2008

Benoit Stichelbaut / Rain shower approaching La Vieille lighthouse, Pointe du Raz, Brittany, France. November 2006.

Philip Dalton / Waterspout over Lake Victoria, Uganda

Philip Dalton / Waterspout over Lake Victoria, Uganda

Alex Hyde / Storm clouds over Back Tor, Peak District National Park, England, UK. March 2008.

Wild Wonders of Europe / Maitland / Storm clouds over Pelister making the lake water look green and milky, from Stenje village, Lake Macro Prespa, Galicica National Park, Macedonia, June 2009

Wild Wonders of Europe / Popp-Hackner / Storm cloud over Kornat Island, Kornati National Park, Croatia, May 2009

Andy Rouse / Aerial view of ice ridges at front of Peters Glacier, King Haakon Bay, South Georgia, Antarctica, December 2006

Andy Rouse / Rays of light shining through storm clouds over Drake Passage, Antarctica, February 2006

Wild Wonders of Europe / Munier / Photographer, Vincent Munier, walking with rucksack through snow covered landscape with sun shining through storm sky, Forollhogna National Park, Norway. On location for Wild Wonders of Europe, Septem...

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

Ross Hoddinott / Brentor Church with storm clouds behind, evening view, Dartmoor NP, Devon, UK. October 2008.

Ross Hoddinott / Silhouette of weathered, windswept hawthorn tree on stormy morning sky, Near Lynton, Devon, UK. October 2008.

Ross Hoddinott / Heather and moorland view, near Birch tor, Dartmoor NP, Devon, UK, August 2008

David Noton / A spring storm in the Valnerina near Meggiano, Umbria, Italy

Jose B. Ruiz / Storm approaching beach at Cape Trafalgar, Canos de Meca, Cadiz, Spain

Jose B. Ruiz / Cultivated fields with dark storm clouds, Dos Hermanas, Seville, Spain

Juergen Freund / Water Spout and storm over the ocean, Tubbataha Reef, Palawan, Philippines.

Juergen Freund / Water spout and storm over the ocean, Tubbataha Reef, Palawan, Philippines

Juergen Freund / Storm over the ocean, Tubbataha Reef, Palawan, Philippines.

Jack Dykinga / Sunset at Yaki Point on the South Rim with stratified rim rocks and minute storm clouds inside the canyon below, Grand Canyon National Park, Arizona, USA.

Tim Fitzharris / Storm clouds over the Colorado River at Horseshoe Bend near Page, Arizona

Jim Brandenburg / Prairie under threatening thunder clouds, South Dakota

Mitsuaki Iwago / Rain storm over savannah, Serengeti National Park, Tanzania

Gerry Ellis / Altocumulus thunder head dumping rain on pan, Amboseli National Park, Kenya

Gerry Ellis / Burchell's Zebra (Equus burchellii) herd migrating through approaching storm, Masai Mara National Reserve, Kenya

Gerry Ellis / Sunset and storm clouds over waterhole, Kwando River flood plain, Linyanti Swamp, Okavango Delta, Botswana

Shin Yoshino / Whistling Thorn (Acacia drepanolobium) trees, Masai Mara National Reserve, Kenya

John Cancalosi / Lightning, Tucson, Arizona, USA.

Thomas Mangelsen / Clouds over Yellowstone River, Hayden Valley, Yellowstone National Park, Wyoming

Jim Brandenburg / Rainbow over prairie with storm clouds, South Dakota

Mitsuaki Iwago / Red Kangaroo (Macropus rufus) pair with clearing storm at sunset, Sturt National Park, Australia

Jim Brandenburg / Nimbus storm clouds over prairie, Minnesota

Anup Shah / Rainstorm approaching on Masai Mara, Kenya - Clouds, dramatic sky, rain storm, trees

Jabruson / Beach landscape with storm clouds. Sal Island, Cape Verde Is, Atlantic ocean

Pete Cairns / Loch and pine forest in stormy light. Strathspey, Highlands, Scotland, UK

Jabruson / Beach landscape with storm clouds. Sal Island, Cape Verde Is, Atlantic Ocean

Ernie Janes / North sea viewed from West Runton Norfolk with coming storm, Norfolk, UK, November 2012

Wild Wonders of Europe / Widstrand / Eastern white pelicans (Pelecanus onocrotalus) flock resting on water as storm threatens overhead, Danube delta rewilding area, Romania, May

Wild Wonders of Europe / Widstrand / Storm clouds over the reed beds (Phragmites communis) Danube delta rewilding area, Romania, May

Wild Wonders of Europe / Widstrand / Storm clouds over trees and reed beds (Phragmites communis) Danube delta rewilding area, Romania, May

Tim Fitzharris / Storm clouds over grasslands, Medicine Bow-Routt National Forest, Wyoming

Tim Fitzharris / Rainbow over Brown Mountain, Colorado

Ben Hall / Greater kudu (Tragelaphus strepsiceros) male, silhouetted on cliff edge at dusk with storm clouds overhead, The Karoo, South Africa, Highly honoured, Windland Smith Rice / Nature's Best Awards competi...

Wild Wonders of Europe / Bartocha / Dark clouds over alpine grassland, Leota mountain range, Arges County, Carpathian Mountains, Romania, July

Colin Monteath / Old wharf at sunset, Saint Clair Beach, Dunedin, Otago, New Zealand

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) with storm clouds. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) with storm clouds. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) with rainbow and storm clouds. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) with storm clouds. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) with rainbow and storm clouds. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) with rainbow and storm clouds. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) with rainbow and storm clouds. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) with rainbow and storm clouds. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.

Mark Carwardine / Southern white rhinoceros (Ceratotherium simum simum) with rainbow and storm clouds. Ol Pejeta Conservancy, Kenya, 2009. Threatened species.

Mark Carwardine / American bald eagle (Haliaeetus leucocephalus) flying in front of dark storm clouds, Prince Rupert, British Columbia, Canada

Robin Chittenden / Barley field in storm, Hemswell, Lincolnshire, UK June 2012

David Pattyn / Springbok (Antidorcas marsupialis) grazing in Auob Valley whilst storm clouds approach, Kgalagadi Transfrontier Park, South Africa, March

Roger Powell / Stone curlew (Burhinus oedicnemus) incubating with storm approaching in early evening sunshine, Guerreiro, Castro Verde, Alentejo, Portugal, April

Charlie Summers / Storm clouds resemble fire in the sky as a storm gathers over the Central Kalahari, Botswana 2009

Charlie Summers / Angry clouds over the Central Kalahari just prior to a torrential rain and lightning storm hit, Botswana

Jim Brandenburg / Storm over Touch the Sky Northern Tallgrass Prairie National Wildlife Refuge, Minnesota

Ernie Janes / Storm clouds over Oilseed rape in flower, towards Blakeney Point and the North sea, Norfolk, UK, April