By Jim Andrews, Senior Meteorologist Jul 19, 2011; 10:36 AM ET Japan Meteorological Agency (JMA) image shows Tropical Storm Ma-on, July 19, 2011. The former Typhoon Ma-on, now a tropical storm, has brushed land in southern Japan, unleashing high...

TOKYO (Reuters) – Japan underestimated the risk of tsunamis and needs to closely monitor public and workers' health after the crisis at the Fukushima Daiichi nuclear plant, a team of international safety inspectors said in a preliminary review of th...

Radioactive plumes emitted from Japan's troubled Fukushima nuclear power plant are headed to the southwest towards Tokyo today, carried by onshore northeasterly winds. An elongated area of low pressure is located off the southeast coast of Japan, and t...

If there is going to be a major nuclear disaster with massive release of radioactivity into the atmosphere from Japan's stricken Fukushima nuclear plant, today would be the best day meteorologically for this to occur. The low pressure system that broug...