China's flood control authority on Thursday launched an emergency response for tropical storm Nock-Ten, which is expected to land at the country's southern coastal regions by Friday night or Saturday morning. Nock-Ten, which killed at least 35 people in the Philippines, is the eighth storm and the most powerful one to hit China so far this year. It will make landfall over the coastal regions of western Guangdong and eastern Hainan Province. The center of the storm this morning was 600 kilometers southeast off Hainan's Wenchang City, packing winds up to 82.8 kms per hour.The storm will continue to move northwestward at a speed of 20 kms per hour. The flood control authority said the storm may bring heavy downpours to Hainan and other regions in south China over the next three days.