常见天气系统课件 人教版（2019）选择性必修一 2024-2025学年高二上学期

e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B常见天气系统锋与天气2019新课标人教版选择性必修一第三章第一节争当小小气象员e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B2023年1月12日-1月19日合肥市天气情况“断崖式”降温降水大风气团e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B水平方向上温度、湿度等物理性质比较均匀，垂直方向上物理性质也很相似的大范围空气。01几百千米~数千千米几千米~十几千米气团02按其温度差异可以分为冷气团和暖气团。03单一气团控制时，天气晴朗；气团相遇交替时，天气多变。e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B分类温度湿度密度气压冷气团暖气团较低较小较大较高较高较大较小较低思考：冷气团与暖气团相遇时会怎样呢？e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277Be7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B冷气团暖气团锋面：冷暖气团相遇形成的交界面。

锋线：锋面与地面形成的交线。锋面锋线锋的形成e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B1、锋面总是向冷气团一侧倾斜；

2、锋面两侧气团性质不同，冷气团在下，暖气团在上；3、锋面附近常伴有云、大风、降水等天气现象。锋的特征e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B锋的类型冷锋准静止锋暖锋根据锋面两侧冷、暖气团的移动方向，可把锋分为：冷锋冷气团势力强，冷气团主动移向暖气团的锋。e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B思考：冷锋过境前、过境时、过境后，该城市的天气特征如何？e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B城市暖气团冷气团锋后-雨带锋前受单一的暖气团控制，气温较高，气压较低，天气晴朗。过境前出现大风、降温，可能出现雨雪等天气。过境时暖气团冷气团锋后-雨带锋前受单一的冷气团控制，气温降低，气压升高，天气转晴。过境后暖气团冷气团锋后-雨带锋前e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B2023年1月12日-1月19日合肥市天气情况过境前过境时过境后e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B冷锋天气——北方夏季暴雨e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B冷锋天气——冬春季节大风、沙尘暴e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B冷锋天气——寒潮暖锋暖气团势力强，暖气团主动移向冷气团的锋。e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B冷气团暖气团锋后锋前-雨带暖锋分组探究：

过境前、过境时、过境后，某城市的天气特征？e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277Be7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B城市冷气团暖气团锋前-雨带锋后受单一的冷气团控制，气温较低，气压较高，天气晴朗。过境前冷气团暖气团锋前-雨带锋后出现连续性降水。过境时冷气团暖气团锋前-雨带锋后受单一的暖气团控制，气温较高，气压较低，天气转晴。过境后“找不同”冷锋及其天气暖锋及其天气请找出冷锋与暖锋的不同点!e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277Be7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B类型符号气团主动性锋面坡度雨区宽窄降水位置冷锋冷气团主动锋面·陡雨区·窄锋后降水暖锋暖气团主动锋面·缓雨区·宽锋前降水如何区别冷锋和暖锋？e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B如何区别冷锋和暖锋？气压气温气温气压过境前过境后时间冷锋天气特征过境前气温较高气压较低天气晴朗过境时短暂性降水强度较大过境后气温降低气压上升天气转晴e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B如何区别冷锋和暖锋？气压气温气压气温过境前过境后时间暖锋天气特征过境前气温较低气压较高天气晴朗过境时连续性降水强度小过境后气温上升气压降低天气转晴准静止锋冷、暖气团势均力敌，或遇地形阻挡，移动缓慢或很少移动的锋，会带来阴雨连绵的天气。e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B城市冷气团暖气团准静止锋e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B天山准静止锋冬春|持续降水江淮准静止锋6~7月|“梅雨”华南准静止锋四季|持续降水昆明准静止锋冬季|贵阳天无三日晴e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B昆明贵州为什么昆明与贵州会出现“一山之隔不同天”的景象？昆明准静止锋e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B3km2km1km云贵高原四川盆地昆明贵阳西南暖干气团南下湿冷气团昆明准静止锋天山准静止锋e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B影响范围：天山北坡和北疆大部分地区影响时间：冬、春季节主要影响：给天山北坡和北疆大部分地区在冬、春季节带来降水，造成阴霾与微雪天气。江淮准静止锋e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B影响范围：长江中下游地区和台湾、辽东半岛、朝鲜半岛的最南部、日本的中南部。主要影响：“梅雨”期间空气湿度大，衣物等容易发霉。影响时间：每年六月中旬至七月上旬前后

黄梅时节家家雨华南准静止锋e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B影响范围：主要活动于南岭山脉或南海地区影响时间：一年四季都可见到，但多出现于冬、春两季。主要影响：春夏季可发生暴雨，持续数天，甚至10天以上。e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B分组探究：

比较冷锋、暖锋、准静止锋的特点及天气特征类型冷锋暖锋准静止锋概念相同点不同点天气特征天气实例e7d195523061f1c0600ade85ab8d19863d296bbd6d3c8047FB0A4867354E4F1E3A7DEAE3C4C4B5C9777EC9E9D7F78045DB0296A4194571101A21F67FC7D6C39966CE50B69116E2EE84E571E25F3C0CCEDBCCB74C937E7F396D71A888B126D21513871AA7439D6392762E6C1AA428C1D9C8D0DE41CFB4AC25C98DD25A16AF93BC857ADECA9648277B类型冷锋暖锋准静止锋概念相同点气团位置不同点气团移动方向气团移动速度锋面坡度雨区位置雨区宽窄