Convective Meteorology (Mesoscale Dynamics)

Total Lightning Information in a 5-Year Thunderstorm Climatology

Ben Herzog
OU School of Meteorology

02 December 2013, 3:00 PM

National Weather Center, Room 5930
120 David L. Boren Blvd.
University of Oklahoma
Norman, OK

Total lightning information has been shown to be proportional to storm intensity. The Geostationary Lightning Mapper (GLM), which will be on board the Geostationary Operational Environmental Satellite-R series (GOES-R) satellite, will provide total lightning information across the contiguous United States. This information will be available at a temporal resolution of 1 minute, thus providing a proxy of storm strength that will be available more frequently than traditional measures of storm intensity.
In an effort to increase the value of the information that will be provided by the GLM, the goal of this study is to enhance the understanding of total lightning information by exploring it in the framework of a 5-year climatology. In this study, total lightning information is examined across 3 different geographic domains (Central Oklahoma, Northern Alabama, and Washington, D.C.), with each domain corresponding to the location of a Lightning Mapping Array. Specifically, this research; a) determines how total lightning attributes of thunderstorms vary between different geographic regions, b), examines relationships between total lightning attributes and radar-derived attributes in thunderstorms, and c) determines how total lightning attributes vary between hazardous and non-hazardous storms.

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