Why was the flight from Changchun to Sanya cancelled on September 25th, 222?

the weather. Changchun City is located in the mid-latitude zone of the northern hemisphere, in the hinterland of the Northeast China Plain on the east coast of Eurasia. According to relevant data, the flight from Changchun to Sanya was cancelled due to the weather on September 25th, 222, and there was a rainstorm in Sanya on September 25th. Rainstorm (English name torrential rain; rainstorm; Storm) refers to the weather phenomenon that produces strong rainfall in a short time (24-hour rainfall ≥5 mm).