Lightning activity and its association with rainfall and convective available potential energy over Maharashtra, India

Tinmaker, M. I. R.; Aslam, Mohammad; Chate, D. M.

doi:10.1007/s11069-015-1589-x

Cited by 37 publications

(12 citation statements)

References 22 publications

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“…Therefore, the earth's surface receives slightly more solar radiation. Simultaneously, abundant moisture still available in the lower atmosphere releases a large amount of latent heat from clouds to sustain thunderstorm development (Tinmaker et al, 2015). However, the likelihood of thunderstorms development decreases due to moisture deficiency as the season progresses.…”

Section: Thn and Trrmentioning

confidence: 99%

Spatial and temporal analysis of thunderstorm and rainfall activity over India

Bhardwaj

Singh

2018

Atm

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RESUMENLas tormentas eléctricas son uno de los fenómenos meteorológicos severos de mesoescala más devastadores, y desempeñan un papel relevante en la incidencia de precipitación en una región. Por ello, en el presente estudio se trató de identificar la relación entre días de tormenta (Thn), días de lluvia (Thr) y cantidad de la precipitación (Trr) en 294 estaciones meteorológicas distribuidas a lo largo de la India por medio de datos (normales climatológicas) publicados por el Departamento Meteorológico de la India (IMD, por sus siglas en inglés) para cuatro periodos: 1951-1980, 1961-1990, 1971-2000 y 1981-2010. El análisis mostró la existencia de una reducción drástica en la frecuencia de Thn, mientras que Thr y Trr mostraron un descenso leve. Se observó una correlación significativa entre las tres variables. El análisis mensual mostró un pico doble en la ocurrencia de Thn y un pico sencillo en la precipitación; sin embargo, se advirtió un intervalo de un mes entre la presentación de estos picos. Estos resultados demuestran que el monzón de verano de la India afecta de manera significativa la actividad de las tormentas eléctricas. El análisis estacional sugiere que Thn, Thr y Trr alcanzaron sus máximos durante la estación del monzón y sus mínimos durante el invierno. Por otra parte, se ha demostrado la existencia de una relación negativa entre Thn y Thr, y Thn y Trr durante el monzón, anomalía que puede deberse a la temperatura decreciente en la India durante dicha estación. Adicionalmente, el patrón espacial mensual y estacional de la ocurrencia de Thn, Thr y Trr permanece casi inalterado en el periodo . No obstante, se observó una disminución drástica en la frecuencia de Thn en los periodos subsiguientes en todo el país. De manera similar, se percibió una leve disminución en la frecuencia de Thr y Trr sobre la India, excepto en el noreste, que exhibe una tendencia al alza en la precipitación. Se ha encontrado que el índice Thn/Thr (R) alcanza su máximo en la temporada previa al monzón, mientras que el índice Trr/Thn alcanza su máximo durante la temporada del monzón. El análisis regional de Thn, Thr y Trr muestra una amplia gama de variaciones en la ocurrencia de estos patrones a lo largo del año. Se considera que los resultados de este estudio serán de utilidad para los meteorólogos, pilotos aviadores, agricultores y planificadores. ABSTRACTThunderstorms are one of the most devastating mesoscale severe weather phenomena, which play an important role in the occurrence of rainfall activity over a region. Therefore, in the present study an attempt has been made to identify the relationship between thunderstorm days (Thn), rainy days (Thr) and rainfall amounts (Trr) for 294 meteorological stations spreading over India, by means of published data (climatological normals) from the India Meteorological Department (IMD) for four periods, 1951-1980, 1961-1990, 1971-2000, and 1981-2010. The analysis has revealed a sharp decrease in the frequency of Thn, while Thr and Trr showed a slight decline. A significant correlat...

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Section: Thn and Trrmentioning

confidence: 99%

Spatial and temporal analysis of thunderstorm and rainfall activity over India

Bhardwaj

Singh

2018

Atm

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“…Furthermore, during monsoon, marine clouds with moderate updrafts prevail over the study region causing minimum cloud electrification. Under such circumstances, the warm rain process becomes effective in the cloud formation and, thus, reduces the lightning flash count over the study region (Tinmaker et al 2015).…”

Section: Variations In Surface O 3 and No X During Thunderstorms In Tmentioning

confidence: 99%

Role of lightning phenomenon over surface O3 and NOx at a semi-arid tropical site Hyderabad, India: inter-comparison with satellite retrievals

Venkanna

Nikhil

Sinha

et al. 2015

Theor Appl Climatol

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The influence of lightning over surface-level trace gases was examined for pre-monsoon and monsoon seasons in the year 2012. Lightning events were measured using ground-based electric field monitor (EFM) and space-based lightning imaging sensor (LIS). The results showed that lightning frequency was higher during pre-monsoon period compared to monsoon, which is in good agreement with the satellite retrievals. The increase in concentration of NO x on lightning event led to a subsequent decrease in surface O 3 due to the titration reaction. Source apportionment study of SO 2 /NO x (S/N) and CO/NO x (C/N) ratios and poor correlation of NO x vs CO and NO x vs SO 2 on the lightning day confirmed the emission of NO x from dissimilar sources.

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“…The combination of strong convection due to an almost‐overhead Sun and the availability of copious amounts of moisture at lower levels creates favourable circumstances for the formation of thunderstorms over all parts of the country by June. In the month of September, regular cloud and rainfall activity ceases with the withdrawal of monsoon, and, therefore, the Earth’s surface receives slightly more solar radiation, which leads to subsequent thunderstorm development (Tinmaker et al, ).…”

Section: Resultsmentioning

confidence: 99%

Spatial and temporal variations in the frequency of thunderstorm days over India

Singh

Bhardwaj

2017

Weather

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monsoon depressions over the Indian region. Curr. Sci. 86: 1404-1411. Dowdy AJ. 2016. Seasonal forecasting of lightning and thunderstorm activity in tropical and temperate regions of the world. Sci. Rep. 6: 20874. Easterling R. 2003. Trends in U.S. climate during the twentieth century. Am. Meteorol. Soc. 12: 3-12. Enno SE, Post P, Briede A et al. 2014. Long-term changes in the frequency of thunder days in the Baltic countries. Boreal Environ. Res. 19: 452-466.

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Lightning activity and its association with rainfall and convective available potential energy over Maharashtra, India

Cited by 37 publications

References 22 publications

Spatial and temporal analysis of thunderstorm and rainfall activity over India

Spatial and temporal analysis of thunderstorm and rainfall activity over India

Role of lightning phenomenon over surface O3 and NOx at a semi-arid tropical site Hyderabad, India: inter-comparison with satellite retrievals

Spatial and temporal variations in the frequency of thunderstorm days over India

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