Project Cumulus

Project Cumulus was a 1950s UK government initiative to investigate weather manipulation, in particular through cloud seeding experiments. Known jokingly internally as Operation Witch Doctor,[1] the project was operational between 1949 and 1952.

Motivation

The military were interested in controlling the weather for several reasons, as detailed in the minutes of an Air Ministry meeting held on 3 November 1953.[1] They included:

Lynmouth disaster

Main article: Lynmouth Flood

On 16 August 1952 a severe flood occurred in the town of Lynmouth in north Devon. Nine inches (229 millimetres) of rain fell within twenty-four hours:[2] "Ninety million tonnes of water swept down the narrow valley into Lynmouth" and the East Lyn River rose rapidly and burst its banks.[3] Thirty-five people died and many buildings and bridges were seriously damaged. According to the BBC, "North Devon experienced 250 times the normal August rainfall in 1952."[3]

A conspiracy theory has circulated that the flood was caused by secret cloud seeding experiments conducted by the Royal Air Force.[1][4] The theory has been dismissed as "preposterous" by experts.[5]

References

  1. 1 2 3 Vidal, John and Helen Weinstein, RAF rainmakers 'caused 1952 flood', The Guardian, 30 August 2001, retrieved 21 July 2007.
  2. 1952: Flood devastates Devon village, BBC
  3. 1 2 Rain-making link to killer floods, BBC, 30 August 2001, retrieved 21 July 2007.
  4. Hilary Bradt; Janice Booth (11 May 2010). Slow Devon and Exmoor. Bradt Travel Guides. p. 249. ISBN 978-1-84162-322-1.
  5. The day they made it rain, Philip Eden, WeatherOnline

External links

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