Very strong rains as well as thunderstorms are possible in Primorye on August 30. Because of this, a Warning №1 has been announced in Primorye. The amount of precipitations is thought to be from 20 mm to 100 mm in more than 12 hours. The rains will happen locally, with a possibility of tropical thunderstorms in some places (50 mm of precipitations in 3 hours). This can cause local flooding. 

新闻来源: www.vestiprim.ru