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Vernon Cooray

Uppsala University

Box 513

Uppsala, 751 20

Sweden

  • Uppsala University

SCHOLARLY PAPERS

7

DOWNLOADS

315

TOTAL CITATIONS

0

Scholarly Papers (7)

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1.

Impact of Ground-Level Cool Condition During Monsoon Seasons: Occurrences of Isolated Breakdown Pulse Trains Discharges and Their Relationship with Ground Flashes Events in Tropical Thunderstorms

Number of pages: 32 Posted: 12 Feb 2025
Nur Asyiqin Binti Mohd Isa, Nur Asyiqin Isa, Zikri Abadi Baharudin, Hidayat Zainuddin, Vernon Cooray, Muhammad Zahir Hassan, Shriram Sharma, Dalina Johari, Noradlina Abdullah and Mahbubur Rahman
Universiti Teknikal Malaysia Melaka, Universiti Teknikal Malaysia Melaka, Universiti Teknikal Malaysia Melaka, Universiti Teknikal Malaysia Melaka, Uppsala University, Universiti Teknikal Malaysia Melaka, Tribhuvan University, Universiti Teknologi Mara, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 61 (951,658)

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Isolated breakdown pulse (IBP) trains, intra-cloud flash, monsoon seasons, ground flashes production, ground-level cool condition

2.

Frequency Spectra of Various Events Pertinent to Lightning Cloud Flashes Obtained from Wavelet Transform Technique and Ratified by Narrow Band Measurement Technique

Number of pages: 18 Posted: 08 Dec 2021
Shriram Sharma, Mohamad Muzafar Ismail, Pasan Hittiarachhi, Vernon Cooray and Fernando Junio de Miranda
Tribhuvan University, Uppsala University, Uppsala University, Uppsala University and affiliation not provided to SSRN
Downloads 54 (1,020,567)

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lightning, cloud flashes, Wavelet Transform, frequency spectra

3.

Current Propagation Type Self-Consistent Leader-Return Stroke Model

Number of pages: 28 Posted: 19 Sep 2022
Vernon Cooray, Marcos Rubinstein and Farhad Rachidi
Uppsala University, University of Applied Sciences and Arts Western Switzerland and École Polytechnique Fédérale de Lausanne (EPFL)
Downloads 52 (1,041,696)

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Lightning, Return stroke, modelling, Lightning leader, Return stroke modeles

4.

Unidirectional and bidirectional fast streamers associated with narrow bipolar events from two tropical storms

Number of pages: 21 Posted: 24 Dec 2025
Muhammad Zuhair Bolqiah EDRIS, Mohd Riduan AHMAD, Muhammad Haziq Mohammad Sabri, Nik Mohd Zarifie Hashim, Ahmad Rifhan Salman, Yuji Takayanagi, Manabu Akita, Takeshi MORIMOTO, Mohamad Zoinol Abidin Abd Aziz, Mohd Zafri Baharuddin, Zen Kawasaki and Vernon Cooray
Universiti Teknikal Malaysia Melaka, Universiti Teknikal Malaysia Melaka, Universiti Teknikal Malaysia Melaka, Universiti Teknikal Malaysia Melaka, Universiti Teknikal Malaysia Melaka, Kindai University, affiliation not provided to SSRN, Kindai University, Universiti Teknikal Malaysia, Melaka, Universiti Tenaga Nasional, The University of Osaka and Uppsala University
Downloads 50 (1,086,013)

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early warning, fast breakdown, narrow bipolar event, tropical storm, VHF interferometer

5.

Application of Electromagnetic Field Expressions of Accelerating Charges to Obtain Electromagnetic Fields of Engineering Return Stroke Models

Number of pages: 16 Posted: 10 Dec 2024
Vernon Cooray and Gerald Cooray
Uppsala University and affiliation not provided to SSRN
Downloads 39 (1,196,171)

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Electromagnetic fields, Return stroke models, Lightning, Charge acceleration equations, Field calculations

6.

Microwave Radiation Associated with Positive Narrow Bipolar Events

Number of pages: 21 Posted: 18 Jul 2022
Shamsul Ammar Shamsul Baharin, Mohd Riduan AHMAD, Muhammad Haziq Mohammad Sabri, Ammar Alammari, Ammar Ahmed Nasser Al-Kahtani, Gaopeng Lu, Zen Kawasaki and Vernon Cooray
affiliation not provided to SSRN, Universiti Teknikal Malaysia Melaka, Universiti Teknikal Malaysia Melaka, Majmaah University - Department of English, affiliation not provided to SSRN, University of Science and Technology of China (USTC), The University of Osaka and Uppsala University
Downloads 39 (1,196,171)

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Conventional breakdown, Fast breakdown, Microwave, Narrow bipolar event, Very-high frequency

7.

Known properties of the lightning leader channels point towards a return stroke moving with the speed of light

Number of pages: 26 Posted: 03 Sep 2025
Farhad Rachidi, Marcos Rubinstein, Vernon Cooray and Gerald Cooray
École Polytechnique Fédérale de Lausanne (EPFL), University of Applied Sciences and Arts Western Switzerland, Uppsala University and affiliation not provided to SSRN
Downloads 20 (1,448,301)

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Lightning, return strokes, Electromagnetic fields, return stroke speed, speed of light