👀Did we just see explosive cyclogenesis occur?💣 Explosive cyclogenesis is when a low deepens 24hPa or more in a 24 hour period (with a correction applied for latitude). The low to the northeast of Aotearoa deepened 25hPa from 1001hPa at midnight two days ago to 976hPa at midnight last night, so easily meets those criteria - see blog.metservice.com/Storm for more info. Fortunately this low has remained offshore - if the system had tracked over land we would have seen a lot of damage. In the vid