Which one of the following weather scenarios does not represent an extreme weather event in the UK?
A five-day summer heatwave where daily maximum temperatures consistently exceed 32∘C32^\circ\text{C}32∘C in Yorkshire.
A winter low-pressure system bringing 15 mm15\text{ mm}15 mm of rain over 24 hours to the mountainous region of western Cumbria.
An intense summer convective storm depositing 45 mm45\text{ mm}45 mm of rain in one hour over the West Midlands.
A severe winter blizzard depositing 30 cm30\text{ cm}30 cm of snow over 12 hours in the lowlands of Kent.
