The observatory says it will consider raising the No 8 storm signal later this afternoon as severe tropical storm Kompasu nears the SAR. It issued the Strong Wind Signal Number 3 at 12.40am, warning that Kompasu had intensified into a severe tropical storm. The observatory said that as of 8am on Tuesday, it was centred about 620 kilometres southeast of Hong Kong and is forecast to move towards the northeastern part of the South China Sea at about 25 kilometres per hour. It warned that Hong Kong's weather would deteriorate significantly later on Tuesday, with heavy rain and squalls and storm surges. The station said heavy rain might cause flooding in low-lying areas, and warned the public to take appropriate precautions. Meanwhile, the authorities have announced that a number of services will be closed on Tuesday. The Education Bureau said kindergartens and schools for those with special needs will be suspended, while the Social Welfare Department had advised people not to take children or any relatives to facilities…