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Inspired by a volcano

Luke Howard always comes to mind when a volcano is throwing ash into the skies over Europe, as it is today.


Eyjafjallaj?kull erupting, April 17th 2010
Image: Wikimedia Commons

The ash cloud created by the eruption of Iceland's Eyjafjallaj?kull volcano (what a name) has shut down airspace over Britain. It's the first time in history this has occurred, and it's caused misery for many travellers.

According to the Telegraph, 'the most notable previous example of Icelandic volcanic activity causing problems for Britain was in 1783, when an eruption at Laki sent a huge toxic cloud of sulphur across Western Europe, killing an estimated 23,000 Britons'.

The Telegraph says that the amount of gas produced was enough to increase temperatures for a whole summer. The ashy skies seriously depressed subsequent winter and summer temperatures, and inspired a boy.

Eleven years old in 1783, Luke Howard was fascinated when violent volcanic eruptions in Iceland cast a pall across Britain. Sunsets blazed through the clouds, and a fiery meteor flashed through the dust-laden atmosphere.

Lower-level gases, and the aerosols generated from them, moved eastwards towards Europe, bringing tremendous 'dry fogs' which affected the continent for months. A long-lasting acid aerosol cloud moved around the globe for three years after the eruption. Overcast skies led to Britain's record-breaking cold winters of 1783-1785, and the cold summer of 1784. The boy had just received dramatic inspiration for his life's work.

A number of British scientists were amateurs – they studied science as a pastime. When he became a man, Luke Howard made his living as a chemist. He dedicated time and money to the abolition of the slave trade. He also spent his spare time studying clouds, which continued to fascinate him. At the time clouds had no names, and no one understood their relationship to atmospheric changes.

A language of clouds

After years of study, Howard suggested in a published paper that there is a cause and effect relationship operating in the atmosphere. Certain atmospheric changes produce certain clouds. You might think this idea old hat - everyone knows that, don't they? - but before Howard Luke, no one had understood how or why.

Observing and naming cloud forms, Howard created the names for cloud types – a language that points to weather changes. Howard founded the science of weather prediction.

Comments (1)


To the nations of Europe,

The cloud that hovers over much of your continent issues from a volcano which is in the last of my homelands--one of the oldest, continuously operating democracies in the world. Take it as a metaphor for the union which already lies heavily on you and will soon blot out your autonomy as this cloud does the sun.

Turn away from the shadow that has formed over you. Reject your unelected EU masters. Even giants can be brought down. As I found out in Utgard, giants are often more appearance and deception than actual strength and size. Don't let them fool you.


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