新一轮冷空气将至，北方局地降温8℃！全国加被子地图请收好

Group 1 - The strongest cold air mass of the year has swept across most parts of China since October 15, causing temperatures to drop significantly, with many regions experiencing weather typical of November or even December [1][5] - The cold air's influence is expected to end around October 22, with temperatures gradually rising, although the warming effect will be weak [1] - A new round of cold air is forecasted to impact northern regions from October 25 to 26, bringing temperature drops of 4°C to 6°C, with some areas experiencing drops of around 8°C [3] Group 2 - A national "blanket map" has been released, indicating that northern regions require thicker blankets, while southern regions may use thinner blankets or throws depending on the situation [4] - The cold air has led to a seasonal temperature drop, prompting many people to express surprise at the sudden cold and the need for thicker bedding [5] - The blanket map suggests that most of northern China will experience single-digit minimum temperatures, while southern regions will still have nighttime temperatures above 20°C, indicating a need for appropriate bedding to prevent cold [7]