Satellite-based observation of lightning climatology over Nepal

  • Kumarjit Saha
  • Narayan Prasad Damase
  • Trisanu Banik
  • Bapan Paul
  • Shriram Sharma
  • Barin Kumar De
  • Anirban GuhaEmail author


The lightning climatology over Nepal is analysed in detail for the first time. For the analysis, we utilised the satellite-based lightning imaging sensor data for the period from 1998 to 2013. A comparison of these climatological results is also performed with two ground-based lightning detection networks, namely, the World Wide Lightning Location Network and the Global Lightning Network for 3 yr from 2011 to 2013. On analysing the data obtained from the three sources, we conclude that the months of April and May are extremely vulnerable in the perspective of lightning hazards in Nepal, in contrast to the results reported previously which indicated that the maximum lightning activity occurred in the month of June. The central and eastern regions of the country receive the majority of lightning strikes during the months of April and May. The present finding is supported by the thunderstorm frequency data obtained from the disaster Information Management System, Nepal and also from thunder-day data from NOAA.


Lightning climatology over Nepal lightning detection efficiency hydrometeors 



We cordially thank Prof. Robert H Holzworth, University of Washington, USA for the provision of the WWLLN data, NASA GSFC for the LIS lightning data WSI for the provision of the GLN data. The authors are thankful to Disaster Information Management System (Desinventar) for giving access to the thunderstorm data over Nepal and also the National Center for Atmospheric Research for given NCEP/NCAR reanalysis vector wind data at a different pressure level along with surface temperature, relative humidity, CAPE and CIN. The authors also thank the NASA Earth System Science for providing us the valuable Cloudsat data. The work was supported by the NAM S&T Centre by providing research training fellowship for developing country scientists (RTF-DCS) – Award of Fellowship for 2016–2017 to the second author of this manuscript, the LDN project, funded by the Society for Applied Microwave Electronics Engineering & Research (SAMEER), Ministry of Communications & Information Technology, Government of India and DST-FIST fund reference Ref.SR/FST/PSI-191/2014, Government of India.


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Copyright information

© Indian Academy of Sciences 2019

Authors and Affiliations

  • Kumarjit Saha
    • 1
  • Narayan Prasad Damase
    • 1
    • 2
  • Trisanu Banik
    • 1
    • 3
  • Bapan Paul
    • 1
  • Shriram Sharma
    • 2
  • Barin Kumar De
    • 1
  • Anirban Guha
    • 1
    Email author
  1. 1.Department of PhysicsTripura UniversitySuryamaninagarIndia
  2. 2.Department of Physics, Amrit Science CollegeTribhuvan UniversityKathmanduNepal
  3. 3.North Eastern Space Applications CentreUmiamIndia

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