Tag Archives: forecast

Typhoon threat at Fukushima reactor site

Typhoon Roke, the 15th typhoon of the season in the northwest Pacific, is passing in the vicinity of the Fukushima reactor site.  It has already left in its wake significant flooding in Nagoya (southwest of Tokyo) and on the western … Continue reading

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Scrutiny of evacuations continues

This week the Wall Street Journal published a cluster of frontpage stories (here and here, along with video content) about the evacuation mishaps and tragedies in the wake of the Fukushima Daiichi nuclear incident.  In “How Japan Stumbled in Forecasting … Continue reading

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Evacuations lacked key plume model input

A recent frontpage story in the New York Times explores in more depth an evacuation tragedy that plagued the Fukushima nuclear incident.  The event they focus on is the evacuation of Namie, first reported by the Daily Yomiuri on June … Continue reading

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Plume forecasts and crisis management

The Daily Yomiuri has an on-going series on the nuclear crisis where today they describe the impact of delays in releasing data.  In one instance, a community near the plant was evacuated in the early hours of March 12 to a … Continue reading

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Release of data by government continues

Japanese officials continue to come under attack for their failure to fully release data related to the radiation contamination – both radiation measurements and additional overlooked plume forecasts.  The high radiation measured on the ground 30-50 km from the reactor … Continue reading

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Redundant measures and safety scenarios

One of the reasons given by the Japanese government for the delay in generating plume forecasts is that their model system, SPEEDI, was hardwired to receive radiation data at the Fukushima nuclear plant site.  When the sensors failed in the … Continue reading

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Update on the release of plume forecasts by the Japanese government

Last week the Japan Nuclear Safety Commission (NSC) began releasing plume forecasts. The plots show where radiation would go if an incident were to occur in the future, and also display the past forecasts covering the time period since the … Continue reading

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