Marie Read / Snow buntings (Plectrophenax nivalis) flock in flight during a snowstorm, New York, USA, January.

Niall Benvie / Snow squall falling on coastal mountains. Tortenberget across Ballesvika, Senja, Norway, February 2012.

Niall Benvie / Snow squall falling on coastal mountains. Tortenberget across Ballesvika, Senja, Norway, February 2012.

Niall Benvie / Snow squall falling on coastal mountains. Tortenberget across Ballesvika, Senja, Norway, February 2012.

Rick Tomlinson / Heavy rain at the 2008 Antigua Classic Yacht Regatta 2008, Race 3, April 20.

Bryan and Cherry Alexander / Snow squall in the sea off Svalbard, Norway.

Niall Benvie / Shoreline with approaching squall, Loch na Keal, Mull, Inner Hebrides, Scotland, UK, December 2007

Doug Perrine / Sun shining through heavy rain squall, Grand Turk, Turks and Caicos Is, Caribbean

Tui De Roy / Southern Royal Albatross (Diomedea epomophora) with wings outstretched, snow squall receding over Mt Lyall and northeast harbor, Campbell Island, New Zealand

Tui De Roy / Southern Royal Albatross (Diomedea epomophora) with snow squall receding over Mt Lyall and northeast harbor, Campbell Island, New Zealand

Tui De Roy / Southern Royal Albatross (Diomedea epomophora) courting in autumn snow squall, Col Ridge, Campbell Island, New Zealand

Peter Scoones / Rain squall and clouds over sunlit sea

David Fleetham / Conch shells and a rain squall over the Carribean, Nassau, Bahamas.

Onne van der Wal / A fleet of J44s sailing into a squall off Block Island, Rhode Island, USA.

Onne van der Wal / A small boat during a race in the Grenada Sailing Festival is engulfed by a heavy squall, Grenada, Caribbean.

Onne van der Wal / 420's racing with approaching squalls off Newport, Rhode Island, USA

Onne van der Wal / Yacht racing with approaching squall.

Onne van der Wal / Laser sailing for shelter as a squall approaches during the 1996 Atlanta Olympics in Savannah, Georgia, USA Editorial Use Only.

Onne van der Wal / Europe dinghy sailing downwind in a squall during the 1996 Atlanta Olympics in Savannah, Georgia, USA Editorial Use Only.

Onne van der Wal / A line squall approaching Grenada during the sailing festival, Caribbean.

Onne van der Wal / Squall aproaching a fishing boat on the horizon, Guatemala.

Onne van der Wal / Dark clouds and a squall over racing yachts.

Onne van der Wal / Crew member checking the halyard tension on large sailboat off Antigua, Caribbean, with a rain squall in the background.

Onne van der Wal / 12 metre Weatherly hard on the wind outrunning the approaching squall during the Museum of Yachtings annual regatta with the Newport bridge in the background, Rhode Island, USA.

Onne van der Wal / Thunder cloud and rain squall over the ocean, with a small yacht.

Onne van der Wal / Squall over a racing yacht off Grenada, Caribbean.

Onne van der Wal / The fleet of small workboats racing in the Grenada Sailing Festival with a heavy squall overhead, Grenada, Caribbean.

Onne van der Wal / Lone Laser dinghy during a squall at the 1996 Atlanta Olympics in Savanah, Georgia, USA. Editorial Use Only.

John Waters / Village of Ardnagreevagh after squall passed over coast of Connemara, Galway, Ireland. February.