央视网消息：据中国天气网消息，今天（5月22日）在冷空气和降雨的影响下，大范围高温被"扑灭"， 内蒙古中部、陕西、山西、河南北部、湖北西北部等地降温明显，多地降温超过了14℃。山西降温最为 猛烈，大部地区降幅超20℃，昨天还像炎热夏天，今天午后就又回到春天。 19日以来，在高压脊控制下，西北地区东部到黄淮等地出现大范围罕见高温天气，多地打破5月观测史 纪录，像昨天，103个国家气象站打破5月最高气温纪录。 明后天，最高气温30℃以上的区域还将明显减少，将仅存于华南及四川盆地等地，南北方多地气温将从 大幅偏高转为偏低，北方大部地区最高气温不足25°C，部分地区不足20°C，江南一带最高气温也将降 至25℃左右。公众需关注气温变化，及时添减衣物。 今天，在冷空气和降雨叠加影响下，降温核心区在内蒙古中部、陕西、山西、河南西部和北部、湖北西 北部等地，多地降温幅度超过了14℃。与昨天大范围高温相比，今天高温仅零星出现在四川东部、安徽 西北部、河南东部等地。 其中，山西降温最为猛烈，大部地区较昨天同一时次降温超过了20℃，24小时降温幅度排行榜上均是山 西站点。像长子站昨天14时前后气温36.9℃，今天只有10.3℃。 ...

Group 1 - The overall weather pattern indicates a transition from less precipitation to increased rainfall, particularly in southern regions starting tomorrow [2][5] - The central meteorological authority forecasts significant temperature fluctuations due to the influence of active cold air masses, with a notable drop of 4 to 8 degrees Celsius expected in the central and eastern regions [7][9] - April was recorded as the warmest on record for many regions, with average temperatures in several provinces being the highest for the same period historically [7] Group 2 - The upcoming weather changes will lead to strong convective weather, including heavy rainfall and thunderstorms, particularly affecting the southern regions [2][5] - Specific areas such as Hainan, Guangdong, and parts of Yunnan are expected to experience heavy to torrential rain, with localized areas facing severe weather conditions [2][3] - The temperature in major cities like Zhengzhou is projected to fluctuate significantly, with a rise to 37 degrees Celsius today, followed by a drop to 24 degrees Celsius tomorrow [9]

Group 1 - The weather forecast indicates heavy snowfall in Heilongjiang Province from March 26, 20:00 to March 27, 20:00, with expected snowfall amounts of 5 to 10 millimeters in several areas [1] - Specific regions such as Qitaihe, Mishan, and Hulin may experience wet snow during certain periods [1] - The forecast also includes warnings for local authorities and individuals to take preventive measures against the expected heavy snow [1] Group 2 - The weather conditions from the night of March 26 to the day of March 27 include heavy snow in areas like southern Yichun, northern Harbin, and western Jiamusi, with some towns in eastern Qitaihe potentially facing blizzard conditions [2] - Rain mixed with snow is expected in Jixi, transitioning to heavy snow, while other regions will see varying degrees of snow [2] - The forecast for March 27 night to March 28 day includes light to moderate snow in eastern Jiamusi and eastern Qitaihe, with cloudy conditions and possible flurries in other areas [2] Group 3 - The minimum temperatures for the night of March 26 are forecasted to range from -20 to -18°C in northern Daxing'anling, while southern areas will see temperatures between -3 to -1°C [3] - The maximum temperatures for March 27 are expected to be between -3 to -1°C in northern Daxing'anling and eastern Jiamusi, with other regions ranging from 1 to 5°C [3] - Wind gusts of 5 to 6 levels are anticipated in the central and southern regions, leading to slippery roads and potential ice accumulation [3]