Assessing the Spatio-Temporal Influence of Pressure Gradients on Tropical Lightning Frequency

Authors: Nicholas Sokol*, University of South Carolina - Columbia
Topics: Climatology and Meteorology, Africa
Keywords: Lightning, Tropic, Climatology, Meteorology, Geography
Session Type: Poster
Day: 4/4/2019
Start / End Time: 8:00 AM / 9:40 AM
Room: Lincoln 2, Marriott, Exhibition Level
Presentation File: Download


Lightning is attributed to some of the highest weather related fatality rates in the world after tornadoes and tropical cyclones. Unlike the former two events, lightning occurs in every region of the world and some of the highest frequencies have been historically observed in equatorial regions of the planet. However, many of these equatorial regions have possessed limited and sparse data networks capable of assessing the frequency of lightning storms and their related forcing mechanisms. This study seeks to utilize ~1 year of data from a newly installed in-situ dataset from the Trans AfricanHydrometeorological Observatory to assess tropical lightning outbreaks and how pressure gradients between stations can lead to a modification of lightning totals.

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