Article on International Space Station Lightning Imaging Sensor Performance Accepted in Journal of Atmosphere and Oceanic Technology

Timothy Lang (ST11) is a coauthor on an article titled, “Performance Evaluation of the Lightning Imaging Sensor on the International Space Station,” which was recently accepted for publication in the Journal of Atmospheric and Oceanic Technology. The article, which was led by Daile Zhang of the University of Maryland, studied how the sensitivity of the International Space Station Lightning Imaging Sensor (ISS LIS; 2017-present) compares to a similar LIS instrument that flew on the Tropical Rainfall Measuring Mission (TRMM; 1997-2015). ISS LIS is slightly less sensitive to lightning than TRMM LIS was, and this appears to be related to a slightly larger instrument viewing footprint caused by attitude and altitude differences between the ISS and TRMM. However, because studies like Zhang et al. are quantifying this sensitivity difference, it can be accounted for when integrating ISS LIS into the long-term global climatology of lightning observed from space (1995-present). Read more at:

Lang ISS graphic atmospheric and oceanic tech

Comparison of the differences between recalculated ISS LIS flash areas and the V1 flash areas. (a) The histogram (bars) and cumulative distribution function (curve) of the flash area difference, (b) the latitudinal variations (bin size of 1°) of the flash area difference, and (c) the flash area difference with respect to flash durations (bin size of 2 ms) to the limit of 1 s. Solid blue and dashed black curves represent mean and median values, respectively.

Citation: Journal of Atmospheric and Oceanic Technology 40, 9; 10.1175/JTECH-D-22-0120.1

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