红色预警意味着什么？了解中国最高天气预警
When China's meteorological authority issues a red alert for rainstorms, it signals the highest level of danger. This warning is the most urgent in a four-tier system, meaning that extremely heavy rain is either happening or about to strike. It is a serious call to protect life and property from flash floods and landslides.
China's weather warning system uses four colors: blue, yellow, orange, and red, with red being the most severe. For rainstorms, a red alert is declared when rainfall is forecast to exceed 100 millimeters in three hours, or when 24-hour totals could reach 250 millimeters. These intense conditions can cause rapid flooding, even in urban areas with strong drainage. Compared with lower-level warnings, a red alert demands immediate action from everyone.
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