Initial severe thunderstorm warning issued for Webb County in southern Texas @ 1859 UTC. MRMS reflectivity at -20C now peaking at 61 dBZ with PROBSvr quickly increasing the probability of severe hail. DFX radar currently in SAILS mode and additional volume scans provided little added value due to hail being the primary concern, at least initially. That said, PROBSvr probability of severe seemed to be playing catchup as forecast decision to issue warning occurred prior to probabilities increasing significantly.
torman1
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