45°15′21″N 0°41′35″W / 45.255833°N 0.693056°W
The 1999 Blayais Nuclear Power Plant flood was a flood that took place on the evening of December 27, 1999. It was caused when a combination of the tide and high winds from the extratropical storm Martin led to overwhelming of the seawalls of the Blayais Nuclear Power Plant in France.[1] The event resulted in the loss of the plant's off-site power supply and knocked out several safety-related systems, resulting in a Level 2 event on the International Nuclear Event Scale.[2] The incident illustrated the potential for flooding to damage multiple items of equipment throughout a plant, weaknesses in safety measures, systems and procedures, and resulted in fundamental changes to the evaluation of flood risk at nuclear power plants and in the precautions taken.[1][3] It was in some sense a forerunner of the 2011 Fukushima I nuclear accidents in Japan, but did not trigger the worldwide protection work on low-lying plants that the latter would.
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