CNN 's Yoko Wakatsuki and Junko Ogura contributed to this report . Roke is no longer a tropical storm . The National Hurricane Center says that the center of Tropical Storm Lee has weakened to a Category 1 hurricane. Plant officials report no major problems at the stricken Fukushima Daiichi nuclear plant .
Roke is no longer a tropical storm . The National Hurricane Center says that the center of Tropical Storm Lee has weakened to a Category 1 hurricane. Plant officials report no major problems at the stricken Fukushima Daiichi nuclear plant .