A | CHICAGO -- The city of Chicago and the union representing its rank-and-file police officers have reached a tentative agreement on a four-year contract that would provide about a 20% raise for officers, the two sides announced Friday.The deal, which would extend the current contract by two years through June 30, 2027, doubles from 2.5% to 5% the annual pay raise that officers are scheduled to receive in 2024 and 2025. Cost-of-living raises would follow in 2026 and 2027 and likely fall between 3% and 5%.A $2,000 annual retention bonus for officers with at least 20 years on the job would be replaced by a one-time bonus of $2,000 for all officers.The agreement also allows officers accused of serious misconduct to have their disciplinary cases decided behind closed doors, news outlets reported.Mayor Brandon Johnson issued a statement saying that “with this agreement in place, our administration can now direct our full focus on implementing accountability measures within the Chicago Police Department, supporting police offices, and a robust community safety agenda." The deal needs the approval of the City Council’s Committee on Workforce Development and passage by the full City Council before it takes effect.。 中新社北京8月26日电 (记者 陈溯)近日，台风“沙德尔”“紫檀”“简拉维”“艾莎尼”接连生成，西北太平洋和南海一度出现“四台风共舞”局面。中国气象局26日对近期台风“扎堆”出现的形势进行解读。
B | 台风的生成，需要温暖海水、充足水汽和适宜的大气环流等多种条件配合。8月本就是台风活动的高峰期，海水经过整个夏季的持续加热，能够为热带气旋提供更多能量。 当前正处于厄尔尼诺发展背景下，西北太平洋海温较常年偏高，西南季风也较为活跃。这些因素共同为台风生成和发展提供了有利条件。季风从热带海洋源源不断地输送暖湿空气，并形成一条范围较大的季风槽。可以把它想象成一条狭长的“台风孵化带”，其中可能同时出现多个旋转的小涡旋，条件合适的涡旋逐渐发展壮大，于是便出现了多个台风接连生成的情况。
C | 多个台风同时出现，是否会相互影响？中国气象局解释，当两个热带气旋距离较近时，可能围绕共同中心旋转，这种现象通常被称为“双台风效应”或“藤原效应”。如果两者强度接近，可能互相牵引，改变各自的移动方向；如果强弱差距较大，较弱的一个还可能被更强的台风环流卷入、吸收。
D | 台风之间的相互影响、相互作用会增加台风路径和强度预报的难度，但并不意味着几个台风一定会合并成一个“超级台风”。
E | 中国气象局提醒，多个台风共舞，真正需要防范的是风雨影响，多轮风雨可能接续影响相近地区，前期降雨尚未结束，后续降雨又接踵而至，从而加大灾害风险。公众需要及时关注当地气象部门滚动更新的预报预警，远离海边、河道、山区沟谷和低洼易涝地带，收到转移通知时迅速撤离。(完) 【编辑:刘欢】。
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