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D-region ionospheric disturbances associated with the Extremely Severe Cyclone Fani over North Indian Ocean as observed from two tropical VLF stations

Effects of Cyclone Fani on the Lower Ionosphere

Pal, S., S. Sarkar, SK Midya, SK Mondal and Y. Hobara, "Low latitude VLF radio signal disturbances due to the Extremely Severe Cyclone Fani of May, 2019 and associated mesospheric response" 09 Jan, 2020, J. Geophys. Res. Space Physics, https://doi.org/10.1029/2019JA027288
Pal, Sujay; Midya, Subrata Kumar (2020), “Very Low Frequency radio signal amplitude from the Indian navigational transmitter VTX received at Kolkata (Calcutta University) from 2019-04-25 to 2019-05-07 during the Extremely Severe Cyclone Fani of May, 2019”, Mendeley Data, v2 http://dx.doi.org/10.17632/t86fp5d45w.2
Das et al. 2020, D-region ionospheric disturbances associated with the Extremely Severe Cyclone Fani over North Indian Ocean as observed from two tropical VLF stations, Advances in Space Research, https://doi.org/10.1016/j.asr.2020.09.018.
Response of the mesosphere and lower ionosphere to the Extremely Severe Cyclone ‘Fani’ of 2019 over the North Indian Ocean, 2020, Publisher: IEEE, 10.23919/URSIGASS49373.2020.9232341
Response of the mesosphere and lower ionosphere to the Extremely Severe Cyclone Faniof 2019 over the North Indian Ocean, Presentation File URSI GASS 2020, https://www.ursi.org/proceedings/procGA20/presentations/Pal_Sujay_Responce_of_the.pdf

VLF Data Related to Cyclone Fani 2019

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Total Lightning and Nor'wester

Midya S.K., Pal S., et al., A preliminary study on pre-monsoon summer thunderstorms using ground-based total lightning data over Gangetic West Bengal, Indian Journal of Physics, 2020, https://doi.org/10.1007/s12648-020-01681-y
A study of total lightning characteristics of thunderstorms over Gangetic West Bengal, 2019 URSI Asia-Pacific Radio Science Conference (AP-RASC), Publisher: IEEE, https://doi.org/10.23919/ursiap-rasc.2019.8738206

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Solar Eclipse Campaign, Decemeber 2019

NESAO organaized a multi-station VLF Radio Campaign during the Solar Eclipse of December 26, 2019 to estimate the ionospheric plasma response during the eclipse.

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First observation of D-ergion ionospheric response to the Super Cyclone Amphan:

Response of the Sub-Ionospheric VLF Signals to the Super Cyclonic Storm Amphan: First observation from Indian Subcontinent, 2021, Journal of Atmospheric and Solar-Terrestrial Physics (Short Communication).

https://doi.org/10.1016/j.jastp.2021.105668

Download Link:

https://drive.google.com/file/d/1O6zpgPFQOUiMWwG4W1_slviIVFUrEZd3/view?usp=sharing

JASTP-D-21-00052_R1.pdf

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Machine Learning Application:

K. Giri, S. Pal, T. K. Biswas, S. K. Midya, Simulation of Diurnal Variation of Sub-Ionospheric VLF Transmitter Signals Using Machine Learning Approach, Romanian Journal of Physics 66, 807 (2021), https://doi.org/10.1002/essoar.10506412.1

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Geomagnetic Storms and Earthquakes

VLF radio signal anomaly associated with geomagnetic storm followed by an earthquake at a subtropical low latitude station in northeastern part of India, Indian Journal of Physics, Jan 2021, https://doi.org/10.1007/s12648-020-01966-2

Das2021_INJP.pdf