BEIJING - China's meteorological authority again issued an orange alert on Sunday morning for strong gales, with a sweeping cold front causing fierce winds across northern China since Friday evening.

From 8 am Sunday to 8 am Monday, winds of up to force 11 (28.5-32.6 meters per second) will hit parts of Inner Mongolia autonomous region, Shanxi province, Hebei province and Beijing, all located in North China, according to the National Meteorological Center.

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Meanwhile, parts of the Bohai Sea, Yellow Sea and East China Sea will experience gales of up to force 13 (37.0-41.4 meters per second).

Sandstorms will continue to lash a variety of regions during the period, according to a blue alert, which was also renewed on Sunday.

Meanwhile, blizzards are expected to hit parts of Inner Mongolia, Jilin province in Northeast China, and Northwest China's Qinghai province, warned a blue alert issued on Sunday. This alert was downgraded from the yellow alert on Saturday.

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