cold air intensify

The cold air affects the North, causing severe cold on February 8
According to the Central Center for Meteorological and Hydrological Forecasting on February 7, the cold air department has reportedly still moving south.
Evening and tonight the cold air will affect the North, storm Nock-ten into the East Sea
Forecast for the evening and tonight (December 26), this cold air component will affect the northern provinces, then affect the North and Central Central.