Tag Archives: offshore

Which reactor event caused the radiation plume toward the northwest?

There has been speculation that the most extreme release of radiation was associated with fires in the fuel pool of reactor 4. The wind and plume maps below support this hypothesis. The aerial radiation mapping conducted March 17-19 by the … Continue reading

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Plume forecast for Japan: 4/11

The predicted plume path moves increasingly offshore throughout the day of Monday April 11 Japan Standard Time (JST). Please see the prior (4/10) post for more details and context.

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Validation of ocean plume simulation for Japan

Earlier, I posted about the SIROCCO model applied to the Fukushima radiation release.  Colleague Claude Estournel and her team at the University of Toulouse/CNRS have conducted an evaluation of their SIROCCO model results through April 3.  The key findings are … Continue reading

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Plume forecast for Japan: 4/1

Winds push offshore eastward and then southeastward through the morning of Friday April 1 Japan Standard Time (JST).

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Plume forecast for Japan: 3/29

Plume expected to remain offshore (eastward) through the evening of Tuesday March 29 Japan Standard Time (JST).

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Plume forecast for Japan: 3/27

Plume expected to remain over water toward the southeast through Monday morning March 28 Japan Standard Time (JST).  Nested (45/15/5/km) data-assimilating forecast model with tracer release (lighter gray contours are higher concentrations) shows that the plume will stay a narrow … Continue reading

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Plume forecast for Japan: 3/26

Plume will move offshore toward the southeast throughout the day and evening of Saturday March 26 Japan Standard Time (JST).  High-resolution (5 km) meteorological model forecast by the Naval Research Laboratory’s COAMPS shows the plume directed over the ocean Saturday. … Continue reading

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