NASA image taken on August 21 shows Typhoon Tembin (L) and Typhoon Bolaven (R) in the Philippine Sea. One of the most powerful typhoons in decades hit Japan's Okinawa on Sunday, with meteorologists ... more 

NASA image taken on August 21 shows Typhoon Tembin (L) and Typhoon Bolaven (R) in the Philippine Sea. One of the most powerful typhoons in decades hit Japan's Okinawa on Sunday, with meteorologists warning it could bring record rain and wind to the southern region and waves of up to 13 metres (43 feet) less