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Sharp depletion of attenuation of 22.235 GHz associated with Nor’wester over Kolkata, India and possible method of forecasting Nor’wester

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Abstract

The sharp depletion of attenuation of 22.235 GHz signal before the onset of Nor’wester over Kolkata, India is observed and possible explanation of such type of variation is presented. It is concluded that this may be taken as one possible method of forecasting severe thunderstorm associated with Nor’wester. Physical explanations based on the formation and dissipation mechanisms of thunderstorm are also presented.

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Authors and Affiliations

  1. Department of Atmospheric Sciences, University of Calcutta, Kolkata, 700 019, India

    S. K. Midya, S. S. Dey & M. Ghosh

  2. Indian Centre for Space Physics, Kolkata, 700 084, India

    S. K. Midya

  3. Centre for Microwave and Millimeter Wave Research and Training, Institute of Radio Physics and Electronics, University of Calcutta, Kolkata, 700 009, India

    H. Sarkar

  4. Radio Physics and Electronics, University of Calcutta, Kolkata, 700 009, India

    A. Maitra

Authors
  1. S. K. Midya
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  2. H. Sarkar
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  3. S. S. Dey
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  4. A. Maitra
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  5. M. Ghosh
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Correspondence to S. K. Midya.

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Midya, S.K., Sarkar, H., Dey, S.S. et al. Sharp depletion of attenuation of 22.235 GHz associated with Nor’wester over Kolkata, India and possible method of forecasting Nor’wester. Indian J Phys 84, 377–381 (2010). https://doi.org/10.1007/s12648-010-0021-3

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  • DOI: https://doi.org/10.1007/s12648-010-0021-3

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