At 16:40 on August 21, 2026, the Harbin Meteorological Observatory issued a yellow warning signal for thunderstorms and strong winds: it is expected that there will be thunderstorms and strong winds in the main urban area of Harbin, Hulan, Bayan, Mulan, and Bin counties in the next 6 hours, accompanied by hail, with maximum gusts of 7-8 levels, locally 9 levels, and maximum hourly rainfall of 30-50 millimeters. Please take precautions.
哈尔滨市气象台2026年8月21日16时40分发布雷雨大风黄色预警信号：预计未来6小时，哈尔滨主城区、呼兰、巴彦、木兰、宾县有雷雨大风天气，并伴有冰雹，最大阵风7～8级，局地9级，最大小时降水量30～50毫米，请注意防范。
At 17:30 on August 21, 2026, Harbin Meteorological Observatory issued an orange rainstorm warning signal: the past rainfall at some stations in the municipal district, such as Liming No. 9 Primary School and Yongyuan Town, has reached 40~70mm. It is estimated that there will be 20~40mm rainfall in Daowai District, Xiangfang District, Pingfang District, Nangang District, Hulan, Bayan, Mulan, Acheng, and Bin County in the next three hours, with a cumulative rainfall of 50~80mm, and some stations may reach more than 100mm. The maximum gust is 8~9, which is likely to cause urban rainstorm waterlogging and low-lying areas waterlogging. Please pay attention to prevention.
哈尔滨市气象台2026年8月21日17时30分发布暴雨橙色预警信号：市辖区黎明九小、永源镇等部分站点过去降雨量已达40～70毫米，预计未来3小时道外区、香坊区、平房区、南岗区、呼兰、巴彦、木兰、阿城、宾县还将有20～40毫米降水，累计雨量可达50～80毫米，个别站点可能达100毫米以上，最大阵风8～9级，易造成城市暴雨积涝、低洼地带积水，请注意防范。
At 18:30 on August 21, 2026, Harbin Meteorological Station issued the rainstorm red warning signal: the precipitation in some villages and towns of Mulan in the past two hours has reached 80~90mm, and it is estimated that there will still be 20~40mm precipitation in the next hour, and the accumulated rainfall will exceed 100mm. Please pay attention to precautions.
哈尔滨市气象台2026年8月21日18时30分发布暴雨红色预警信号：过去2小时木兰部分乡镇降水量已达 80～90 毫米，预计未来1小时仍有20～40毫米降水，累计雨量将超过100毫米，请注意防范。
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