Hong Kong recently witnessed its most significant rainfall in more than 140 years, causing extensive flooding across the city’s streets and affecting the metro system. This extreme weather event, attributed to a powerful typhoon, has led to widespread disruptions and challenges for residents and authorities. The heavy rain has underscored the vulnerability of densely populated urban areas to extreme weather events, highlighting the need for robust infrastructure and emergency preparedness in the face of climate change. The situation in Hong Kong serves as a stark reminder of the growing impact of climate-related disasters and the importance of climate mitigation and adaptation measures to safeguard communities and urban environments from such extreme weather events.