较强冷空气继续影响我国中东部 台风“海鸥”继续影响我国南海海域

Core Points - A strong cold air mass continues to affect the central and eastern regions of China, with significant impacts on weather conditions and transportation [1][2] - Typhoon "Haikui" has made landfall in Vietnam and is expected to weaken further, but its residual effects will still influence weather patterns in the South China Sea [3][4] - Fog and haze conditions are anticipated in several regions, which may affect visibility and health [5] Group 1: Cold Air Mass Impact - From November 7 to 9, a strong cold air mass will continue to move eastward, affecting regions such as Xinjiang, Inner Mongolia, and North China, with wind speeds of 4-6 levels and gusts reaching 7-8 levels [2] - Temperature drops of 4-8°C are expected in these areas, with localized drops exceeding 10°C [2] - Snowfall is forecasted in parts of Qinghai, Gansu, and Inner Mongolia, with accumulations of 2-6 cm, and localized areas may see up to 10 cm [2] Group 2: Typhoon "Haikui" Developments - Typhoon "Haikui" made landfall near Vietnam with maximum wind speeds of 14 levels (42 m/s) and a minimum central pressure of 955 hPa [3] - After landfall, the typhoon's intensity has decreased, now classified as a tropical storm with maximum wind speeds of 8 levels (18 m/s) [3] - The typhoon is expected to move northwest at a speed of 20-25 km/h, continuing to weaken [3] Group 3: Fog and Haze Conditions - From the morning of November 7, areas including southern Hebei, northern Henan, and parts of Shandong are expected to experience dense fog, with visibility dropping below 500 meters in some regions [5] - A yellow warning for fog has been issued by the Central Meteorological Observatory [5]