今夜主城区大概率见雪

Summary of Key Points Core Viewpoint - A strong cold wave is set to impact the city from January 19, bringing significant temperature drops, strong winds, rain, snow, and freezing conditions, with temperatures expected to fall between -1°C to -6°C starting January 21 [1][2]. Weather Impact - The cold wave will lead to a temperature drop of 10°C to 12°C from January 19, with average daily temperatures significantly decreasing [1]. - Wind speeds are expected to increase, with most areas experiencing gusts of 6 to 8 levels, and some regions may reach above level 9 [1]. - Rain and snow are forecasted from January 19 to 22, with the main snowfall occurring from January 20 to the morning of January 21 [1]. Snowfall Details - The city center is likely to experience pure snow on the night of January 20, marking the first occurrence in two years [2]. - Snow accumulation is expected to be around 5 millimeters, with some areas seeing 1 to 2 centimeters of snow, and mountainous regions potentially receiving 2 to 5 centimeters [1]. Safety Precautions - Residents are advised to drive cautiously due to slippery roads and to be aware of falling objects due to strong winds [2]. - Precautions should be taken regarding electrical and water supply systems to prevent freezing and ensure normal living conditions during the cold wave [2]. Air Quality - A distinction was made between fog and haze, with recent conditions classified as haze due to insufficient humidity for fog formation [2]. - The arrival of rain and snow is expected to improve air quality by increasing humidity levels [2].