When selecting the resolution for the GLM 5 min events with 1 min updates, I compared the different sized grids that are being tested in this HWT EWP. There are definitely double count issues with 10km grid (169 events for nearly the same location). The 8km grid had zero event areas. When you zoom out to get the bigger picture for a wider area for storms, the 8km grid became a little fuzzy and you could tell the higher event areas. The best grid from what I looked at seemed to be the 9km grid (5 min events with 1 min updates), even though the native resolution of the GLM is 8km.
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