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Attribution of the Extreme 2022 Summer Drought along the Yangtze River Valley in China Based on Detection and Attribution System of Chinese Academy of Sciences 基于中国科学院探测与归因系统的中国长江流域 2022 年极端夏旱归因研究
IF 8 1区 地球科学 Q1 METEOROLOGY & ATMOSPHERIC SCIENCES Pub Date : 2024-07-03 DOI: 10.1175/bams-d-23-0258.1
Lixia Zhang, Tianjun Zhou, Xing Zhang, Wenxia Zhang, Lijuan Li, Laurent Li
"Attribution of the Extreme 2022 Summer Drought along the Yangtze River Valley in China Based on Detection and Attribution System of Chinese Academy of Sciences" published on 03 Jul 2024 by American Meteorological Society.
"美国气象学会于 2024 年 7 月 3 日发表了《基于中国科学院探测和归因系统的中国长江流域 2022 年夏季极端干旱的归因》。
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引用次数: 0
New WMO Certified Tropical Cyclone Duration Extreme: TC Freddy (04 February to 14 March 2023) Lasting for 36.0 days 世界气象组织新认证的热带气旋极端持续时间:TC Freddy(2023 年 2 月 4 日至 3 月 14 日)持续 36.0 天
IF 8 1区 地球科学 Q1 METEOROLOGY & ATMOSPHERIC SCIENCES Pub Date : 2024-07-01 DOI: 10.1175/bams-d-24-0071.1
Craig Earl-Spurr, Sébastien Langlade, Daniel Krahenbuhl, Sim D. Aberson, Manola Brunet, Johnny Chan, Chris Fogarty, Christopher W. Landsea, Blair Trewin, Christopher Velden, Robert C. Balling, Randall S. Cerveny
Abstract A World Meteorological Organization team has evaluated 2023's Tropical Cyclone Freddy's duration of 36.0 days (with 10-min average wind-speeds of 30 kt or higher) as the world record for longest tropical cyclone duration.
摘要 世界气象组织的一个小组将 2023 年热带气旋 "弗雷迪 "持续 36.0 天(10 分钟平均风速达到或超过 30 千米/秒)评为世界上持续时间最长的热带气旋。
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引用次数: 0
How Well Do Seasonal Climate Anomalies Match Expected El Niño-Southern Oscillation (ENSO) Impacts? 季节性气候异常与预期的厄尔尼诺-南方涛动(ENSO)影响匹配程度如何?
IF 8 1区 地球科学 Q1 METEOROLOGY & ATMOSPHERIC SCIENCES Pub Date : 2024-07-01 DOI: 10.1175/bams-d-23-0252.1
Michelle L. L’Heureux, Daniel S. Harnos, Emily Becker, Brian Brettschneider, Mingyue Chen, Nathaniel C. Johnson, Arun Kumar, Michael K. Tippett
Abstract Did the strong 2023–24 El Niño live up to the hype? While climate prediction is inherently probabilistic, many users compare El Niño events against a deterministic map of expected impacts (e.g., wetter or drier regions). Here, using this event as a guide, we show that no El Niño perfectly matches the ideal image and that observed anomalies will only partially match what was anticipated. In fact, the degree to which the climate anomalies match the expected ENSO impacts tends to scale with the strength of the event. The 2023–24 event generally matched well with ENSO expectations around the United States. However, this will not always be the case, as the analysis shows larger deviations from the historical ENSO pattern of impacts are commonplace, with some climate variables more prone to inconsistencies (e.g., temperature) than others (e.g., precipitation). Users should incorporate this inherent uncertainty in their risk and decision-making analysis.
摘要 2023-24 年的强厄尔尼诺现象是否名副其实?虽然气候预测本质上是概率性的,但许多用户将厄尔尼诺事件与预期影响的确定性地图(如更潮湿或更干燥的地区)进行比较。在此,我们以这次厄尔尼诺现象为指导,说明没有任何一次厄尔尼诺现象能完全符合理想图景,观测到的异常现象只能部分符合预期。事实上,气候异常与预期厄尔尼诺/南方涛动影响的匹配程度往往与事件的强度成正比。2023-24 年的厄尔尼诺/南方涛动事件总体上与美国各地的厄尔尼诺/南方涛动预期相吻合。然而,情况并非总是如此,分析表明,与厄尔尼诺/南方涛动历史影响模式的较大偏差很常见,一些气候变量(如气温)比其他气候变量(如降水)更容易出现不一致。用户应将这种固有的不确定性纳入其风险和决策分析中。
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引用次数: 0
Dynamics, statistics and predictability of Rossby waves, heatwaves and spatially compounded extreme events 罗斯比波、热浪和空间复合极端事件的动力学、统计学和可预测性
IF 8 1区 地球科学 Q1 METEOROLOGY & ATMOSPHERIC SCIENCES Pub Date : 2024-06-27 DOI: 10.1175/bams-d-24-0145.1
Valerio Lembo, Simona Bordoni, Emanuele Bevacqua, Daniela I. V. Domeisen, Christian L. E. Franzke, Vera M. Galfi, Chaim Garfinkel, Christian I. Grams, Assaf Hochman, Roshan Jha, Kai Kornhuber, Frank Kwasniok, Valerio Lucarini, Gabriele Messori, Duncan Pappert, Iago Perez-Fernandez, Jacopo Riboldi, Emmanuele Russo, Tiffany A. Shaw, Iana Strigunova, Felix Strnad, Pascal Yiou, Nedjeljka Zagar
Abstract What: A workshop on Rossby waves, heatwaves and compound extreme events was co-organized by the Institute for Atmospheric Sciences and Climate (ISAC) of the National Research Council of Italy (CNR) and the University of Trento, Italy. The workshop gathered experts from different fields, such as extreme events analysis, atmospheric dynamics, climate modeling, Numerical Weather Prediction, with the aim to discuss state-of-the-art research, open challenges, and stimulate networking across different communities. When: 28-30th November 2023. Where: CNR Research Area, Bologna, Italy.
内容摘要:意大利国家研究理事会大气科学与气候研究所(ISAC)和意大利特伦托大学联合举办了罗斯比波、热浪和复合极端事件研讨会。研讨会汇聚了来自极端事件分析、大气动力学、气候建模、数值天气预报等不同领域的专家,旨在讨论最新研究成果、公开挑战,并促进不同社区之间的网络联系。时间: 2023 年 11 月 28-30 日地点:博洛尼亚 CNR 研究区意大利博洛尼亚 CNR 研究区。
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引用次数: 0
Common Community Physics Package: Fostering Collaborative Development in Physical Parameterizations and Suites 共同社区物理软件包:促进物理参数化和套件的合作开发
IF 8 1区 地球科学 Q1 METEOROLOGY & ATMOSPHERIC SCIENCES Pub Date : 2024-06-19 DOI: 10.1175/bams-d-23-0227.1
Ligia Bernardet, Lisa Bengtsson, Patrick A. Reinecke, Fanglin Yang, Man Zhang, Kyle Hall, James Doyle, Matus Martini, Grant Firl, Lulin Xue
Abstract The Common Community Physics Package (CCPP) is a state-of-the-art infrastructure designed to facilitate community-wide development of atmospheric physics parameterizations, support their interoperability among different modeling centers, and enable the transition of research to operations in NWP and climate modeling. The CCPP consists of two elements: the Physics (a repository of parameterizations) and the Framework (an infrastructure for interfacing the parameterizations with host models). The CCPP is a community resource: its latest release has 23 primary parameterizations, which can be organized into six supported suites. It is distributed with a single-column model to facilitate physics development and experimentation. The Developmental Testbed Center provides support to users and developers. A key aspect of the CCPP is its interoperability, that is, its ability to be used by multiple host models. This enables synergistic collaboration among groups dispersed over various institutions and working on various models. In this article we provide an overview of the CCPP and how it is being used in two leading modeling systems. The CCPP is part of the Unified Forecast System (UFS), is included in the NOAA operational Hurricane Analysis and Forecast System (HAFS) version one, and is slated for use in all upcoming NOAA global and limited-area UFS applications for operations. Similarly, the CCPP has been integrated into the Navy Environmental Prediction System Using a Nonhydrostatic Engine (NEPTUNE) model and is undergoing testing for upcoming transition to operations. These experiences make physics interoperability a reality and open the doors for much broader collaborative efforts on ESM development.
摘要 共同社区物理包(CCPP)是一种先进的基础设施,旨在促进全社区大气物理参数化的发展,支持不同建模中心之间的互操作性,并实现从研究到运行的 NWP 和气候建模过渡。CCPP 由两部分组成:物理(参数化资源库)和框架(参数化与主机模型接口的基础设施)。CCPP 是一个社区资源:其最新版本有 23 个主要参数,可分为六个支持套件。它采用单列模式发布,以促进物理开发和实验。开发试验台中心为用户和开发人员提供支持。CCPP 的一个关键方面是它的互操作性,即它能够被多个主机模型使用。这使得分散在不同机构和不同模型上的小组之间能够协同合作。在本文中,我们将概述 CCPP 及其在两个领先建模系统中的应用。CCPP 是统一预报系统(UFS)的一部分,包含在 NOAA 运行的飓风分析和预报系统(HAFS)第一版中,并计划用于 NOAA 即将推出的所有全球和有限区域统一预报系统的运行应用中。同样,CCPP 已被集成到海军使用非流体静力学引擎的环境预测系统(NEPTUNE)模型中,并正在为即将过渡到业务运行进行测试。这些经验使物理互操作性成为现实,并为更广泛地合作开发 ESM 打开了大门。
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引用次数: 0
The Thermal Equator on Earth and Mars 地球和火星上的热赤道
IF 8 1区 地球科学 Q1 METEOROLOGY & ATMOSPHERIC SCIENCES Pub Date : 2024-06-17 DOI: 10.1175/bams-d-23-0214.1
Christopher P. McKay, Mateo N. Cintron
Abstract The thermal equator (also known as the heat equator) is the circumplanetary set of points that represent the highest mean annual temperature at each longitude. Recent high precision global datasets for Earth and Mars provide a basis for a detailed calculation of the thermal equator on these worlds. On Earth, the temperature values that comprise the thermal equator range from 25.85° to 34.75°C, with a mean of 27.75° ± 1.3°C, and extends in latitude as high as 20°N in Mexico and 29.3°N in the Indian subcontinent. The maximum southern extent is 20°S in Australia. On Mars, lacking oceans, the thermal equator takes a simpler track and is roughly parallel to the equator, and displaced 5°–10°S. However, there is a region of longitude on Mars where the thermal equator becomes bimodal with a northern branch centered at 10°N and a southern branch centered at 20°S.
摘要 热赤道(又称热量赤道)是代表各经度最高年平均温度的一组环行星点。最新的地球和火星高精度全球数据集为详细计算这两个世界的热赤道提供了依据。在地球上,构成热赤道的温度值范围为 25.85° 至 34.75°C,平均温度为 27.75° ± 1.3°C,纬度最高延伸至墨西哥的北纬 20°和印度次大陆的北纬 29.3°。最南端为澳大利亚的南纬 20°。在没有海洋的火星上,热赤道的轨迹较为简单,大致与赤道平行,偏移 5°-10°S。不过,在火星上有一个经度区域,热赤道变成了双峰形,北端分支以北纬 10°为中心,南端分支以南纬 20°为中心。
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引用次数: 0
Ground-based Remote Sensing of Aerosol, Clouds, Dynamics, and Precipitation in Antarctica —First results from the one-year COALA campaign at Neumayer Station III in 2023 对南极洲的气溶胶、云层、动力学和降水进行地基遥感 - 2023 年在 Neumayer III 站开展的为期一年的 COALA 项目的首批成果
IF 8 1区 地球科学 Q1 Earth and Planetary Sciences Pub Date : 2024-06-14 DOI: 10.1175/bams-d-22-0285.1
M. Radenz, R. Engelmann, Silvia Henning, Holger Schmithüsen, Holger Baars, Markus M. Frey, Rolf Weller, J. Bühl, Cristofer Jiménez, Johanna Roschke, Lukas Ole Muser, Nellie Wullenweber, S. Zeppenfeld, H. Griesche, U. Wandinger, P. Seifert
Novel observations of aerosol and clouds by means of ground-based remote sensing have been performed in Antarctica over the Ekström ice shelf on the coast of Dronning Maud Land at Neumayer Station III (70.67°S, 8.27°W) from January to December 2023. The deployment of OCEANET-Atmosphere remote-sensing observatory in the framework of the Continuous Observations of Aerosol-cLoud interAction (COALA) campaign brought ACTRIS aerosol and cloud profiling capabilities next to meteorological and air chemistry in-situ observations at the Antarctic station. We present an overview of the site, the instrumental setup and data analysis strategy and introduce 3 scientific highlights from austral fall and winter, namely: 1. Observations of a persistent mixed-phase cloud embedded in a plume of marine aerosol. Remote-sensing-based retrievals of cloud-relevant aerosol properties and cloud microphysical parameters confirm that the free-tropospheric mixed phase cloud layer formed in an aerosol-limited environment. 2. Two extraordinary warm air intrusions. One with intense snowfall produced the equivalent of 10% of the yearly snow accumulation, a second one with record-breaking maximum temperatures and heavy icing due to supercooled drizzle. 3. Omnipresent aerosol layers in the stratosphere. Our profiling capabilities could show that 50% of the 500-nm aerosol optical depth of 0.06 was caused by stratospheric aerosol, while the troposphere was usually pristine. As demonstrated by these highlights, the one-year COALA observations will serve as a reference dataset for the vertical structure of aerosol and clouds above the region, enabling future observational and modeling studies to advance understanding of atmospheric processes in Antarctica.
2023 年 1 月至 12 月,在南极洲德龙宁毛德地海岸埃克斯特伦冰架上空的 Neumayer III 站(南纬 70.67 度,西经 8.27 度)通过地面遥感对气溶胶和云层进行了新的观测。在气溶胶-云相互作用连续观测(COALA)活动框架内部署的 OCEANET-大气遥感观测站将 ACTRIS 的气溶胶和云剖面能力与南极站的气象和空气化学原位观测结合在一起。我们介绍了站点概况、仪器设置和数据分析策略,并介绍了南极秋冬季的三个科学亮点,即1.观测到海洋气溶胶羽流中的持续混合相云。基于遥感技术的云相关气溶胶特性和云微物理参数检索证实,自由对流层混合相云层是在气溶胶有限的环境中形成的。2.2. 两次非同寻常的暖空气入侵。一次是强降雪,降雪量相当于全年积雪量的 10%;另一次是破纪录的最高气温和过冷细雨造成的严重结冰。3.平流层中无处不在的气溶胶层。我们的剖面分析能力可以显示,500 纳米气溶胶光学深度 0.06 的 50%是由平流层气溶胶造成的,而对流层通常是纯净的。正如这些亮点所显示的,为期一年的 COALA 观测将成为该地区上空气溶胶和云垂直结构的参考数据集,使未来的观测和建模研究能够促进对南极洲大气过程的了解。
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引用次数: 0
Radio Occultation Modeling Experiment (ROMEX): Determining the impact of radio occultation observations on numerical weather prediction 无线电掩星模拟实验(ROMEX):确定无线电掩星观测对数值天气预报的影响
IF 8 1区 地球科学 Q1 Earth and Planetary Sciences Pub Date : 2024-06-13 DOI: 10.1175/bams-d-23-0326.1
R. Anthes, Christian Marquardt, B. Ruston, Hui Shao
The international radio occultation (RO) community is conducting a collaborative effort to explore the impact of a large number of RO observations on numerical weather prediction (NWP). This effort, the Radio Occultation Modeling Experiment (ROMEX), has been endorsed by the International Radio Occultation Working Group, a scientific working group under the auspices of the Coordination Group for Meteorological Satellites (CGMS).ROMEX seeks to inform strategies for future RO missions and acquisitions. ROMEX is planned to consist of at least one three-month period during which all available RO data are collected, processed, archived, and made available to the global community free of charge for research and testing. Although the primary purpose is to test the impact of varying numbers of RO observations on NWP, the three months of RO observations during the first ROMEX period (ROMEX-1, September-November 2022) will be a rich data set for research on many atmospheric phenomena.The RO data providers have sent their data to EUMETSAT for processing. The total number of RO profiles averages between 30,000 and 40,000 per day for ROMEX-1. The processed data (phase, bending angle, refractivity, temperature, and water vapor) will be distributed to ROMEX participants by the Radio Occultation Meteorology Satellite Applications Facility (ROM SAF). The data will also be processed independently by the UCAR COSMIC Data Analysis and Archive Center (CDAAC) and available via ROM SAF. The data are freely available to all participants who agree to the conditions that the providers be acknowledged and the data are not used for commercial or operational purposes.
国际无线电掩星(RO)界正在开展一项合作,探索大量 RO 观测数据对数值天气预报(NWP)的影响。这项名为 "射电掩星建模实验"(ROMEX)的工作得到了国际射电掩星工作组的认可,该工作组是气象卫星协调小组(CGMS)下属的一个科学工作组。ROMEX 计划至少包括三个月的时间,在此期间收集、处理和存档所有可用的 RO 数据,并免费提供给全球社会进行研究和测试。虽然主要目的是测试不同数量的 RO 观测数据对 NWP 的影响,但第一个 ROMEX 期间(ROMEX-1,2022 年 9 月至 11 月)的三个月 RO 观测数据将是研究许多大气现象的丰富数据集。ROMEX-1 的 RO 剖面图总数平均每天在 30,000 到 40,000 个之间。处理后的数据(相位、弯曲角、折射率、温度和水汽)将由无线电掩星气象学卫星应用设施(ROM SAF)分发给 ROMEX 参与者。这些数据还将由 UCAR COSMIC 数据分析和存档中心(CDAAC)独立处理,并通过 ROM SAF 提供。数据免费提供给所有参与者,但参与者必须同意以下条件,即承认数据提供者,数据不得用于商业或业务目的。
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引用次数: 0
Training the next generation of researchers in exploring cloud dynamics and microphysics using millimeter-wavelength radars 培训下一代研究人员利用毫米波雷达探索云动力学和微物理学
IF 8 1区 地球科学 Q1 Earth and Planetary Sciences Pub Date : 2024-06-12 DOI: 10.1175/bams-d-24-0097.1
M. Oue, K. Lamer, E. Luke, Zhuocan Xu, Fan Yang, Zeen Zhu, P. Kollias
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引用次数: 0
The Propagation, Evolution, and Rotation in Linear Storms (PERiLS) Project 线性风暴的传播、演变和旋转(PERiLS)项目
IF 8 1区 地球科学 Q1 Earth and Planetary Sciences Pub Date : 2024-06-12 DOI: 10.1175/bams-d-22-0064.1
K. Kosiba, Anthony W. Lyza, Robert J. Trapp, Erik N. Rasmussen, Matthew D. Parker, M. Biggerstaff, Stephen W. Nesbitt, Christopher C. Weiss, Joshua Wurman, K. Knupp, Brice E Coffer, V. Chmielewski, Daniel T. Dawson, Eric Bruning, Tyler M. Bell, M. Coniglio, Todd A. Murphy, Michael French, Leanne Blind-Doskocil, Anthony E. Reinhart, dward Wolff, Morgan E. Schneider, Miranda Silcott, Elizabeth Smith, oshua Aikins, Melissa Wagner, Paul Robinson, J. Wilczak, Trevor White, David Bodine, M. Kumjian, S. Waugh, A. A. Alford, Kim Elmore, P. Kollias, David D. Turner
Quasi-linear convective systems (QLCSs) are responsible for approximately a quarter of all tornado events in the U.S., but no field campaigns have focused specifically on collecting data to understand QLCS tornadogenesis. The Propagation, Evolution, and Rotation in Linear System (PERiLS) project was the first observational study of tornadoes associated with QLCSs ever undertaken. Participants were drawn from more than 10 universities, laboratories, and institutes, with over 100 students participating in field activities. The PERiLS field phases spanned two years, late winters and early springs of 2022 and 2023, to increase the probability of intercepting significant tornadic QLCS events in a range of large-scale and local environments. The field phases of PERiLS collected data in nine tornadic and nontornadic QLCSs with unprecedented detail and diversity of measurements. The design and execution of the PERiLS field phase and preliminary data and ongoing analyses are shown.
准线性对流系统(QLCS)造成的龙卷风约占美国所有龙卷风事件的四分之一,但还没有任何实地活动专门侧重于收集数据以了解 QLCS 的龙卷风生成过程。线性系统中的传播、演变和旋转(PERiLS)项目是首次对与 QLCS 有关的龙卷风进行的观测研究。参与者来自 10 多所大学、实验室和研究所,有 100 多名学生参加了实地活动。PERiLS 实地研究阶段跨越两年,即 2022 年和 2023 年的深冬和早春,以提高在各种大规模和局部环境中拦截 QLCS 重要龙卷风事件的概率。PERiLS 实地阶段收集了九个龙卷风和非龙卷风 QLCS 的数据,测量数据的详细程度和多样性前所未有。图中展示了 PERiLS 实地阶段的设计和执行情况,以及初步数据和正在进行的分析。
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引用次数: 0
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Bulletin of the American Meteorological Society
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