Intense oceanic lightning

M. Füllekrug, C. Price, Y. Yair, E. R. Williams

Research output: Contribution to journalArticlepeer-review

Abstract

The electrodynamic properties of intense oceanic lightning discharges are compared to intense continental lightning discharges. Particularly intense negative lightning discharges with absolute charge moments > 2 kC·km occur more often over the oceans than over the continents during April 1998. Intense continental lightning discharges, with negative and positive polarity, and intense positive oceanic lightning discharges primarily occur associated with mesoscale convection in the late evening. The number of intense negative oceanic lightning discharges increases in the early morning hours, probably associated with the resurgence of oceanic mesoscale convection in coastal areas. The day-to-day variability of intense negative oceanic lightning discharges exhibits a five day periodicity, possibly related to planetary waves.

Original languageEnglish
Pages (from-to)133-137
Number of pages5
JournalAnnales Geophysicae
Volume20
Issue number1
StatePublished - 2002

Keywords

  • General (marine meteorology)
  • Meteorology and atmospheric dynamics (lightning; ocean-atmosphere interactions)
  • Oceanography

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