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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Electrical signature of the October 2013 very severe cyclonic storm Phailin
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Electrical signature of the October 2013 very severe cyclonic storm Phailin

机译：2013年10月的电气签名非常严重的旋风风暴phailin

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In this study we examine first of its kind from Indian sub-continent which concentrates the electrical signatures of lightning discharges associated with a very severe cyclonic storm (VSCS). Phailin cyclone during 8-14 October 2013 has been selected for the study. We have primarily used ground-based GLD360 network lightning data to understand the distribution, polarity and radiated peak current of lightning discharge associated with the inner core (similar to 100 km radius) of Phailin. In the initial development stage of Phailin as a deep depression on 8-9 October, there were very few lightning discharged (>50) in the inner core, but when Phailin developed into a VSCS on 10 October, similar to 2300 lightning discharges were recorded in inner core. There was near-even distribution of positive cloud to ground and negative cloud to ground discharges in the core, and with strong opposite peak currents of +/- 150 kA prior to the cyclone landfall. The observations show that monitoring of lightning discharges in eye of the cyclone is helpful in tracking its intensity changes and hence can serve as early warning systems.
机译：在这项研究中，我们将首先从印度亚大陆中检查，专注于与非常严重的旋风炎（VSC）相关的雷电排放的电签发。 Phailin Cyclone在2013年10月8日至14日期间已被选中进行该研究。我们主要使用基于地面的GLD360网络闪电数据来了解与Pailin的内核（类似于100公里半径）相关的闪电放电的分布，极性和辐射峰值电流。在10月8日至9日普利林的初始发展阶段作为深沉的萧条，内核中很少有避雷（> 50），但当Phailin于10月10日发育到VSC时，类似于2300次雷电放电在内核。近似甚至分布正云与地面和负云到核心的地面排出，在旋风陆登前+/- 150 ka的强峰电流强。该观察结果表明，旋风的监测在旋风中的眼睛眼中有助于跟踪其强度变化，因此可以作为预警系统。

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