Thursday, May 3, 2018

Artifact in GLM near 26N

There is a known artifact in the FLM data.  Note the linear feature north of the yellow line (ZMA - Miami CWSU boundary) in the upper left and lower right.  This is near 26N and will always appear here, as it is some boundary in the gridded data that's stitched together (as I understood).  GLM development team is aware and working on getting rid of it.  In the example below there was some convection to the north of the artifact.



-Forrest
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  1. ClemMay 3, 2018 at 5:23 PM

    This is actually upstream of the gridding of the L2 product. It is an improperly set threshold (a bit too low, so some noise gets through as false lightning). It is already in the pipeline to get fixed in L1b processing.

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