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社评“xxxxxx黄色”-梳理天下新闻

中国气象局xxxxxx黄色:24小时暴雨预报准确率较5年前提高4.9%

来源: 中国民族报
2024-12-31 00:48:07

最佳回答

“xxxxxx黄色”中国气象局xxxxxx黄色:24小时暴雨预报准确率较5年前提高4.9%

  12月3xxxxxx黄色0日,中国气象局举行新闻发布会xxxxxx黄色。中国气象局预报司副司长张洪广在会上介绍,根据最新发布的评估报告,与2019年相比,中国的气象预报预测水平在多个关键领域取得了显著进展。一是数值预报模式持续优化。全球天气数值预报系统4.0(CMA-GFS4.0)业务运行,北半球可用预报天数由7.5天提升至8.1天;模式分辨率由25公里缩小至12.5公里。气候模式分辨率由2019年的100公里提升至45公里。中尺度天气数值预报模式(CMA-MESO)分辨率向1公里逐小时尺度迈进。

  二是气象预报预测更加精准。国家级智能网格预报全国空间分辨率达到5公里,重点区域1公里,预报时效达到10天,24小时内预报实现逐小时更新。强对流天气预警提前量43分钟,较5年前提高13.2%。24小时暴雨预报准确率(TS评分)0.213,较5年前提高4.9%。(董泽宇)

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