While the HSDA has shown many false giant hail signals, it did perform especially well with one of the storms today. This GH signal also corresponded to a MESH value of over 2 inches. Shortly after these signals appeared, a report of 2 inch hail was received, this was after some melting, so the hail may have actually been larger. It appears that the HSDA performs more accurately when close to the RDA and especially with persistent supercellular storm modes. The four panel below displays Z, ZDR, HSDA, and CC. Areas of GH were well correlated with low ZDR and CC. The second image shows MESH from the same time.

Austin/Hampshire