The 1987 Great Storm was not a hurricane, but it changed meteorology forever.
In short: On the night of 15-16 October 1987, a ferocious storm caught the UK off guard, killing 18 people and felling millions of trees. While a famous forecast gaffe suggested no hurricane was coming, the reality was a complex, high-speed weather event that exposed critical gaps in global forecasting technology.
The Great Storm of 1987 was an extratropical cyclone that formed over the Bay of Biscay. Its intensity was driven by a collision between warm tropical air and cold polar air, which created a rapid ascent and a deep low-pressure system. The storm’s ferocity was amplified by the 'Sting Jet' phenomenon—a process where cold, dry air descends from high in the atmosphere to create intense winds at ground level. At the time, this mechanism was unknown to meteorologists, though it is now a standard component of modern forecast models.
The storm’s path was particularly devastating because it tracked north and east across densely populated areas of the UK, reaching the Humber estuary by 5:30 am on 16 October. Coastal locations recorded gusts exceeding 100 mph, with a peak of 115 mph at Shoreham. Inland, the London Weather Centre recorded 94 mph. The event became a catalyst for massive investment in science and technology. In 1987, the Met Office supercomputer performed four million calculations per second; today’s systems handle 14,000 trillion, allowing for vastly higher resolution in weather models.
Beyond computing power, the storm fundamentally changed how the UK observes and communicates weather risks. Before 1987, satellite data was sparse, and observations from the Bay of Biscay were limited. Today, deep ocean weather buoys and extensive satellite coverage provide real-time data that feeds into global numerical prediction models. The National Severe Weather Warning Service was established in the aftermath to coordinate alerts, and the modern practice of naming storms—launched in 2015—ensures consistent communication to help the public and emergency responders stay safe during high-impact events.
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Sources
- Summary by Intellect · source: Lessons and legacy of the Great Storm of 1987
- Also: Great storm of 1987
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