Lightning Ground Flash Measurements over the Contiguous United States: 1995–97

Richard E. Orville, Gary R. Huffines
1999 Monthly Weather Review  
Cloud-to-ground lightning data have been analyzed for the years 1995-97 for the contiguous United States for total flashes, positive flashes, the percentage of positive lightning, peak currents for negative and positive lightning, and for negative multiplicity. The authors examined a total of 75.8 million flashes divided among the three years, 22.7 million (1995), 26.2 million (1996), and 26.9 million (1997). The highest flash densities, uncorrected for detection efficiency, occur in Louisiana
more » ... nd Florida, typically exceeding 11 flashes km Ϫ2 on a grid scale of 0.2Њ. Positive flash densities exceed 1.
doi:10.1175/1520-0493(1999)127<2693:lgfmot>2.0.co;2 fatcat:r2lcnfxaerfotco3vy4mmyo4xq