本周末前全省低温持续

Group 1 - The recent cold wave and snowstorm from January 17 to 20 is the strongest since the beginning of winter, with significant impacts across the province [1] - Snow accumulation ranged from 5 to 12 centimeters in most areas, with some regions experiencing 12 to 18 centimeters [1] - Temperature drops were substantial, with maximum temperatures decreasing by 14℃ to 25℃, and minimum temperatures dropping by 4℃ to 18℃, breaking historical records for January [1] Group 2 - The snow and cold weather are beneficial for soil moisture retention and crop safety during winter, laying a good foundation for spring agricultural production [2] - The cold conditions may pose risks to late-sown winter wheat and facilities for vegetables, increasing the likelihood of cold damage [2] - The weather event has effectively increased humidity in forest areas, reducing the fire risk level to 1 to 2 [2] Group 3 - From January 21 to 23, the weather is expected to transition from cloudy to clear, with minimum temperatures ranging from -10℃ to -8℃ across most areas [3] - A new weather system is anticipated from the night of January 24 to 25, bringing rain and snow, with some areas potentially experiencing heavy snowfall [3]