Yesterday, the Futaba cam view of a road near Daiichi was black, with nothing visible but the road itself. Daiichi was completely obscured in the distance.
Sunday, I blogged on the emissions visible on the Futaba cam
This cam is very useful. I wish I had been watching it longer. http://stm.futabagun.jp/510.swf?rnd=1378761240993
The more cams the better because their conjoined revelations and their disjunctures together offer considerable insight into plant conditions.
I'd say atmospheric emissions have been very high, although its possible that the added precipitation and high tide simply make it all visible: