At 18:49 on January 17, 2026, Changyuan Meteorological Observatory issued a blue warning signal for a cold wave: it is expected that the lowest temperature in the towns and streets under our jurisdiction will drop by more than 10 ℃ on the morning of the 20th compared to the morning of the 18th, and the lowest temperature on the morning of the 20th will drop to minus 12 ℃ to minus 11 ℃. During the daytime from the 18th to the 19th, there will be northeast winds of level 4 to 5, with gusts of level 7 or above. Please take precautions. Defense Guidelines: 1. The government and relevant departments should prepare for the cold wave according to their responsibilities. 2. Agriculture, forestry, and animal husbandry should be prepared for frost damage to crops, trees, and livestock. 3. Relevant departments should adjust residential heating according to the situation, and coal-fired heating users should pay attention to preventing carbon monoxide poisoning. 4. Relevant units and residents should pay attention to wind prevention, close doors and windows, and reinforce outdoor structures. 5. Individuals should pay attention to adding clothes and keeping warm. Elderly and weak patients, especially those who are sensitive to temperature changes such as cardiovascular and asthma patients, should reduce their outings.