Zhongwei City, Ningxia issued an orange warning signal for sandstorm and visibility was less than 500 meters.

[Zhongwei City, Ningxia issued orange sandstorm warning signal visibility less than 500m] April 19th, Ningxia Zhongwei City Meteorological Observatory upgraded sandstorm yellow to sandstorm orange warning signal at 09:02 on April 19th: at present, strong sandstorms with visibility less than 500m have occurred in Shapotou District and Zhongning County, and it is expected that severe sandstorms in Shapotou District and Zhongning County will continue in the next 12 hours. There will be sandstorms with visibility less than 1000 meters in Haiyuan County.