Three people have been killed and more than twenty injured in a lightning strike on a beach in Argentina.
The strong temperature contrast across the Atlantic leads to storms forming around the front, circulating and mixing air along the temperature gradient, trying to find an equilibrium of hot and cold air.
Huge waves have continued to batter the southern coast of England and Wales, with weather forecasters warning of more flooding and winds up to 110 km/h.
Emergency services and power companies are on high alert as storms, strong winds, and floods threaten the UK from south-west England to Scotland.
It seems every year has seen weather extremes in recent times. After 2012 brought Hurricane Sandy to the east coast of the United States and the wettest year ever for England, many may have expected a quieter time, but unusual weather continued to make news across the world in 2013.