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Estimate Of Positive Ground Lightning Flashes In Ibadan, Nigeria

UE Akpan


Positive ground lightning flashes have been monitored for a period of one year in Ibadan, Nigeria. The instrument used was lightning flash counter designed to isolate only positive lightning discharges at average radiation field change of 5.0 v/m and peak frequency response of 17.0kHz with 3dB attenuation and effective range of 60km. A total of 444 flashes were obtained with most of the flashes occurring at night times. The active flash days were 32 and the most active flash month was October.

KEY WORDS: Positive ground lightning flashes.

Global Journal of Pure and Applied Sciences Vol.11(2) 2005: 281-283