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United States Precision Lightning Network (USPLN) Data


Lightning stroke data are collected in 1-hour reports which contain cloud-to-ground lightning stroke data and cloud flash discharges. The data are available in ASCII NAPLN extended data format. The reports have been combined into daily tar files. 

Archive note

Access to this data set is limited to project Principal Investigators. To request access to this data, please contact us via the info at the bottom of this page.

File 20161030_report.tar has been found to be corrupted. This file will remain hidden until the issue is resolved. 

Due to unexpected hardware failure some files were lost corresponding to days in year 2017. Specifically, data from the following days were lost: 01/09, 01/20, 02/06, 02/18, 02/20, 02/22, 02/24, 03/02, 03/09, 03/13, 03/16, 03/29, 04/16, 04/18, 04/25, 05/18, 05/19, 06/06, 06/09, 06/10, 06/11, 06/13, 06/14, 06/16.

Data access

  • ORDER data for delivery by FTP
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    • user agreement required

Additional information

Data Quality final
  • 1.0 (2011-09-14)
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Language English
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Temporal coverage

Begin datetime 2010-05-01 00:00:00
End datetime 2024-07-20 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 90.00, Minimum (South) Latitude: -90.00
Minimum (West) Longitude: -180.00, Maximum (East) Longitude: 180.00

Primary point of contact information

EOL Data Support <>

Additional contact information


TOA Systems. 2011. United States Precision Lightning Network (USPLN) Data. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. Accessed 22 Jul 2024.

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Ancillary information

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