Characteristics of fog in relation to tropical cyclone intensity: A case study for IGI airport New Delhi

IF 2.4 4区地球科学 Q3 METEOROLOGY & ATMOSPHERIC SCIENCES Tropical Cyclone Research and Review Pub Date : 2021-09-01 DOI:10.1016/j.tcrr.2021.09.004

Rizwan Ahmed , Narendra G. Dhangar , Suneet Dwivedi , Ram Kumar Giri , Prakash Pithani , Sachin D. Ghude

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引用次数: 3

Abstract

Widespread catastrophic fog episodes in polluted northern India have been attributed to tropical cyclone activity in the Bay of Bengal & Arabian Sea; however, limited studies have been conducted on the effect of tropical cyclone intensity (‘T’ Numbers) on different fog characteristics in Indo Gangetic Basin, Northern India. In this study, different characteristics, including persistence, intensity, and areal extension, were analyzed at the Indira Gandhi International Airport, New Delhi during 1998–99, 2013–14, and 2016–17. A high-intensity tropical cyclone (Severe to Very Severe Cyclonic Storm) has been found to significantly increase the persistence, intensity, and areal extension of fog by inducing strong subsidence over the IGI Airport/Indo-Gangetic Basin. This knowledge is vital for improving the short-term forecasting of fog in the Indo-Gangetic Basin of Northern India and will further support the Government agencies to take preventive safety measures and planning well in advance time.

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与热带气旋强度有关的雾的特征:以新德里IGI机场为例

在受污染的印度北部，大范围的灾难性雾事件被归咎于孟加拉湾的热带气旋活动。阿拉伯海;然而，关于热带气旋强度(“T”数)对印度北部恒河盆地不同雾特征的影响的研究有限。本研究分析了1998-99年、2013-14年和2016-17年新德里英迪拉甘地国际机场的不同特征，包括持久性、强度和面积延伸。高强度热带气旋(严重到非常严重的气旋风暴)通过在IGI机场/印度恒河盆地引起强烈的下沉，显著增加了雾的持久性、强度和面积扩展。这些知识对于改善印度北部恒河流域雾的短期预报至关重要，并将进一步支持政府机构采取预防性安全措施并提前做好规划。

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来源期刊

Tropical Cyclone Research and Review METEOROLOGY & ATMOSPHERIC SCIENCES-

CiteScore

4.60

自引率

3.40%

发文量

184

审稿时长

30 weeks

期刊介绍： Tropical Cyclone Research and Review is an international journal focusing on tropical cyclone monitoring, forecasting, and research as well as associated hydrological effects and disaster risk reduction. This journal is edited and published by the ESCAP/WMO Typhoon Committee (TC) and the Shanghai Typhoon Institute of the China Meteorology Administration (STI/CMA). Contributions from all tropical cyclone basins are welcome. Scope of the journal includes: • Reviews of tropical cyclones exhibiting unusual characteristics or behavior or resulting in disastrous impacts on Typhoon Committee Members and other regional WMO bodies • Advances in applied and basic tropical cyclone research or technology to improve tropical cyclone forecasts and warnings • Basic theoretical studies of tropical cyclones • Event reports, compelling images, and topic review reports of tropical cyclones • Impacts, risk assessments, and risk management techniques related to tropical cyclones