2012 North Sea cyclone season

The 2012 North Sea cyclone season was an an average season with forming. The season began on July 1 and ended on October 1, 2012. The first storm of the season formed on July 18.

The North Sea cyclone basin is monitored by the British Windstorm Center (BWC) based in Dundee, United Kingdom, and the Met Office (MO) which is based in Exeter, UK.

Tropical Storm Alli
An area of deep convection organised on July 18 and strengthened into a depression, according to the Met Office. However, before the storm could strengthen, it made landfall in Wales with winds of 35 mph on July 20. The system then significantly weakened over land, but then restrengthened once it entered the North Sea. During the afternoon of July 21, the depression strengthened into Tropical Storm Alli, and moved into the BWC's area of responsibility (AoR).