Group 1 - The current cold wave is characterized by a prolonged low-temperature period, with southern regions experiencing significant temperature drops due to a "seasonal transition" effect [1] - The cold wave is expected to impact travel significantly, with complex rain and snow transitions in central and eastern regions, leading to slippery roads and potential travel disruptions [4] - The largest area of freezing rain this winter is forecasted, affecting nearly 10 provinces, which poses risks such as power outages and hazardous road conditions [6] Group 2 - From January 17 to 21, there is a high risk of icy roads in several provinces, including Henan, Shanxi, and Jiangsu, necessitating caution for travelers [8] - The cold wave may increase electricity load by approximately 18% compared to normal years, prompting safety measures for heating equipment and electricity usage [12] - The adverse weather conditions could negatively impact agriculture, particularly with freezing rain potentially damaging crops and livestock, necessitating protective measures in affected regions [13]