The Shanghai Meteorological Observatory updated the blue warning signal for rainstorms at 20:14 on July 20, 2026 to a yellow warning signal for rainstorms: It is expected that by midnight today, most parts of central urban areas will experience short-term heavy precipitation with rainfall of 60 mm or more per hour. The blue warning signal for rainstorms will be updated to a yellow warning signal for rainstorms. Please step up prevention of urban flooding that may be caused by heavy rainfall.

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