最强台风来袭，东莞全市范围五停

Core Viewpoint - Dongguan City has implemented a series of emergency measures in response to Typhoon Haikashan, which is expected to bring severe weather conditions, aiming to protect public safety and minimize disaster losses [3][4]. Group 1: Emergency Measures - Starting from September 22, 15:00, Dongguan will implement "Five Stops" measures, including suspension of classes, work, production, transportation, and business operations [3]. - All primary and secondary schools, kindergartens, vocational schools, and outdoor training institutions will suspend classes from September 22, 18:00 to September 25, 18:00 [3]. - Fishing boats and outdoor workers are required to cease operations from September 22, 15:00 to September 25, 6:00, while construction sites will halt work from September 23, 12:00 to September 25, 6:00 [3][4]. Group 2: Weather Impact and Response - Typhoon Haikashan has been upgraded to a super typhoon and is expected to significantly impact Guangdong Province within 48 hours, prompting the provincial emergency response level to be raised from Level IV to Level II [4]. - Several reservoirs in Dongguan, including Huangniupu Reservoir and Huajiang Town Butterfly Reservoir, will undergo controlled discharges to manage water levels [4].