Both Jiangxi and Zhejiang Meteorological Stations have raised their warning status from code yellow to code orange.

江西和浙江两省气象监测站提出从黄色预警提高到橙色预警状态。

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The Beijing Meteorological Center on Sunday afternoon issued a code yellow alert to warn about fog in the capital, saying visibility would drop to less than 500 meters in most parts of the city.

北京气象中心周日下午发布了大雾黄色预警称，绝大部分地区的能见度将不足500米。

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Of course, the yellow results from the JSP tags and code, rather than any real error in the page.

当然，黄色内容来自于JSP标记和代码，而不是页面出现了什么真正的错误。

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The US is currently at code yellow for an "elevated" level of terrorist risk.

BBC: US may scrap colour-coded terror alerts

Today the United States Government raised the national threat level from an Elevated to High risk of terrorist attack - or from Code Yellow to Code Orange.

BBC: NEWS | Americas | US terror alert: Full text