arXivDaily arXiv每日学术速递 周一至周五更新
arXiv周末暂无论文更新,休息一下吧,周末愉快~~
arXiv 2201.12234physics.ao-phstat.ML
收藏

通过新的动态校准提高短期风速集合预报结合预报和观测的技能

Increasing the skill of short-term wind speed ensemble forecasts combining forecasts and observations via a new dynamic calibration

Gabriele Casciaro, Francesco Ferrari, Daniele Lagomarsino Oneto, Andrea Lira-Loarca, Andrea Mazzino

摘要:

一旦分析可用,用于风力发电行业的所有数值天气预报模型都需要从主要天气时间00、06、12和18 UTC开始进行预报。两个连续模型运行之间的六小时延迟时间要求通过提供至少每小时一次的新的准确预测来填补空白。这样做是为了满足交易员和系统监管机构对频繁、准确和最新信息的要求,以不断调整其工作策略。在这里,我们提出了一种策略,准实时观测到的风速和天气模型预测相结合的一种新的包围模型输出统计(EMOS)策略。我们的战略成功与否是通过与2018年和2019年意大利SYNOP站观测到的风速进行比较来衡量的。

英文摘要:

All numerical weather prediction models used for the wind industry need to produce their forecasts starting from the main synoptic hours 00, 06, 12, and 18 UTC, once the analysis becomes available. The six-hour latency time between two consecutive model runs calls for strategies to fill the gap by providing new accurate predictions having, at least, hourly frequency. This is done to accommodate the request of frequent, accurate and fresh information from traders and system regulators to continuously adapt their work strategies. Here, we propose a strategy where quasi-real time observed wind speed and weather model predictions are combined by means of a novel Ensemble Model Output Statistics (EMOS) strategy. The success of our strategy is measured by comparisons against observed wind speed from SYNOP stations over Italy in the years 2018 and 2019.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑