Super Typhoon Ragasa, also known as Typhoon No. 18, which is measuring as the most powerful storm on Earth for 2025 so far, is moving toward Hong Kong. Wind speeds from Super Typhoon Ragasa have so far reached highs of 270km/h. Qantas has cancelled all flights in and out of Hong Kong during the shutdown, affecting 8 services. Super Typhoon Ragasa is forecast to pass near Hong Kong over the coming days,” Smartraveller said in a statement on Tuesday.