GLM picked up another case of anvil lightning at 2341 Z near Akron Iowa. CG occurred at same time as GLM events were noted, so no real lead time to this strike was observed. Image below of accumulated 5 minute GLM event density and flash data updated every minute along with the NLDN CG strikes.
For reference this image indicates how far the main area of storms was from lightning strike (white dot). There were some 30 dbz echoes near Vermilion SD but they never grew much stronger than that during this period. This was around 90 miles from main storm area.
-JRM
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