Levels of turbulence intensity associated with transverse bands in the upper troposphere near Japan: Comparison with and without wave-like patterns on cloud tops

IF 1.7 4区 地球科学 Q4 METEOROLOGY & ATMOSPHERIC SCIENCES
Sola Pub Date : 2024-08-24 DOI:10.2151/sola.2024-041
Yuka Fujita, Yasushi Watarai, Atsushi Kudo
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引用次数: 0

Abstract

Turbulence interferes with aircraft operations and occurs frequently near transverse bands. Forecasters from the Japan Meteorological Agency have reported that these transverse bands with wave-like patterns on cloud tops (WPC) tend to generate strong turbulence. We analyzed the rates of turbulence associated with transverse bands in the upper troposphere near Japan at different altitudes, focusing on the presence or absence of WPC. The results show that a significantly higher proportion of turbulence was associated with transverse bands with WPC. Moreover, turbulence occurs above and below these transverse bands. Regarding transverse bands with WPC, moderate turbulence was observed within 4,000 ft (≃ 1.2 km) above and below the cloud, indicating that turbulence area extends over a wide vertical range.

日本附近对流层高层与横向带相关的湍流强度水平:云顶有波浪状图案与无波浪状图案的比较
湍流会干扰飞机的运行,并经常出现在横向云带附近。日本气象厅的预报员报告说,这些云顶有波浪状图案的横向带(WPC)容易产生强烈的湍流。我们分析了日本附近不同高度对流层上部与横向带相关的湍流率,重点关注 WPC 的存在与否。结果表明,与有 WPC 的横向带相关的湍流比例明显更高。此外,湍流还出现在这些横向带的上方和下方。关于带有 WPC 的横向带,在云层上方和下方 4,000 英尺(≃ 1.2 千米)范围内观测到中等程度的湍流,表明湍流区域的垂直范围很广。
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来源期刊
Sola
Sola 地学-气象与大气科学
CiteScore
3.50
自引率
21.10%
发文量
41
审稿时长
>12 weeks
期刊介绍: SOLA (Scientific Online Letters on the Atmosphere) is a peer-reviewed, Open Access, online-only journal. It publishes scientific discoveries and advances in understanding in meteorology, climatology, the atmospheric sciences and related interdisciplinary areas. SOLA focuses on presenting new and scientifically rigorous observations, experiments, data analyses, numerical modeling, data assimilation, and technical developments as quickly as possible. It achieves this via rapid peer review and publication of research letters, published as Regular Articles. Published and supported by the Meteorological Society of Japan, the journal follows strong research and publication ethics principles. Most manuscripts receive a first decision within one month and a decision upon resubmission within a further month. Accepted articles are then quickly published on the journal’s website, where they are easily accessible to our broad audience.
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