Unexpected heavy rainfall in Dubai and the Arabian Peninsula is impacting the upcoming Arabian Travel Market (ATM) event and causing flight delays and logistical challenges. The weather conditions, including severe thunderstorms, have led to the suspension of numerous flights and the rescheduling of events. Local authorities have responded quickly by implementing road closures, suspending maritime activities, and advising residents to work remotely. Despite preparations and warnings, the impact of the rainfall has been substantial, highlighting the vulnerability of modern cities to natural calamities. The situation underscores the importance of continuous improvement in infrastructure and disaster preparedness plans. As Dubai navigates the challenges posed by extreme weather conditions, it provides valuable insights for cities worldwide in managing the effects of rare but potentially devastating events.