This story has been made freely available as a public service to our readers. Please consider supporting SCMP’s journalism by subscribing. New users who download our updated app get a seven-day free trial. Hong Kong’s weather forecaster has said that the No 1 typhoon warning signal will stay in force for most of Thursday, as squally showers associated with a tropical storm near the coast of Guangdong continue to affect the city. The Hong Kong Observatory issued the signal at 12.40am on Wednesday...