These data were generated by Sprenger et al., as detailed in their paper: Sprenger, M., Fragkoulidis, G., Binder, H., Croci-Maspoli, M., Graf, P., Grams, C. M., Knippertz, P., Madonna, E., Schemm, S., Škerlak, B., & Wernli, H. (2017). Global Climatologies of Eulerian and Lagrangian Flow Features based on ERA-Interim, Bulletin of the American Meteorological Society, 98(8), 1739-1748. https://doi.org/10.1175/BAMS-D-15-00299.1 , and are being uploaded with their permission to comply with Geophysical Research Letter's FAIR data policy for a separate paper, submitted by Linh Vu and Robin Clancy (uploader). Fields included are: date latitude, longitude, thetamin (minumum potential temperature), amplitude, circulation. Radius data are not present in this file, and so only a fill value is present. Individual cyclones are split by a line that indicates how many 6-hourly records follow for that cyclone.

{"references": ["Sprenger, M., Fragkoulidis, G., Binder, H., Croci-Maspoli, M., Graf, P., Grams, C. M., Knippertz, P., Madonna, E., Schemm, S., \u0160kerlak, B., & Wernli, H. (2017). Global Climatologies of Eulerian and Lagrangian Flow Features based on ERA-Interim, Bulletin of the American Meteorological Society, 98(8), 1739-1748."]}