Yellow light was seen when reactor 3 exploded

3/14/2011, reactor 3 exploded.
Arnie Gundersen, C.Busby and other foreign experts pointed out it was a nuclear explosion though Japanese government has been stating it was a hydrogen explosion.

According to Arnie Gundersen’s explanation,the blast had 3 phases.

  • 1: Hydrogen explosion
  • 2: Nuclear fuel in the spent fuel pool (more than 550 assemblies) had nuclear explosion
  • 3: Second nuclear explosion

He says the dark brown mushroom cloud was made of powder of plutonium.

Gundersen Postulates Unit 3 Explosion May Have Been Prompt Criticality in Fuel Pool from Fairewinds Associates on Vimeo.

On 9/27/2011, a Fukushima citizen, Mr.Toshiyuki stated that he saw yellow flash before the blast.

It is said in an interview.

He is a man from Iwaki shi, where is about 50km away from Fukushima plant, has a daughter,a son,wife and parents. He is self-employed and is involved in a medical industry.

He has been in Iwaki shi since 311.

When reactor 3 exploded on 3/14, he was at the 50 km point.

He says he was more surprised at the yellow light/flash than the explosion itself.

We at Fukushima Diary are looking for potential explanations for what the yellow light / flash was.

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