China has a four-tier warning system for extreme weather, with red as the most severe, followed by orange, yellow and blue.
中国有针对极端天气的四级预警系统，最严重的为红色，其次是橙色、黄色和蓝色。
China has a four-tier weather warning system, with red representing the most severe, followed by orange, yellow and blue.
中国有一套四个等级的天气预警系统，红色代表情况最为严重，其次是橙色、黄色和蓝色。
China a has a four-tier color-coded warning system for severe weather, with red being the most serious, followed by orange, yellow and blue.
中国对极端天气有一套四级预警系统，用四种颜色分别表示等级不同的预警，其中红色为最，其次是橙色、黄色和蓝色。 。
China a has a four-tier color-coded warning system for severe weather, with red being the most serious, followed by orange, yellow and blue.
中国对极端天气有一套四级预警系统，用四种颜色分别表示等级不同的预警，其中红色为最，其次是橙色、黄色和蓝色。 。
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