BEIJING — China's National Meteorological Center on June 20 renewed a yellow alert for rainstorms in various parts of the country.

From 8 am on June 20 to 8 am on June 21, heavy downpours are expected to lash parts of Inner Mongolia, Heilongjiang, Ningxia, Jiangxi, Hunan, and Zhejiang. Some areas may experience up to 180 millimeters of rainfall.

Some of these regions are likely to encounter over 70 millimeters of hourly precipitation, accompanied by thunderstorms and gales.

The meteorological center has advised local governments to make appropriate preparations, guide traffic in water-logged streets, and check the drainage systems in cities, farmland, and fishponds.

China has a four-tier color-coded weather warning system, with red representing the most severe warning, followed by orange, yellow and blue.