In one case of a tornado embedded within the QLCS, the AzShear signatures  from both radars were nearly 100 km away. In both instances, the signature was displaced northward from the tornado path. From KEOX, the tornado path was 107.8km from the radar and was looking at approximately 1.8km up in the storm. From KMXX, the storm was 89.9km from the radar and looking at 1.4km in the storm.  Something to consider for training is the distance from the radar and any tilt from the storm.

Also interesting, is that KMXX, looking slightly closer and lower, shows a stronger AzShear signature than KEOX (0.016 s^-1 vs 0.006 s^-1). So, still a best practice is looking at multiple radars if looking at single radar AzShear, or look at the MergedAzShear 0-2km products. However, it has been noted that the mergedShear products may be more useful for QLCS type storms, vs. supercell storms.
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A little while later…

A long-tracked supercell ahead of the line exhibited very high AzShear values early in its lifetime (as high as 0.03 s^-1), but as the storm moved away from the radar, the AzShear values tended to decrease. At first, it was thought this was merely coinciding with the distance from the radar (160km at time of first image below) and how high in the storm the radar is looking (3km), however, there may also be some information about the strength of the tornado at that distance. At 160km, the AzShear strength dropped to around 0.006 s^-1. However, a short time later, there was another strong AzShear signature (>0.01s^-1) just south of there, that was also associated with a tornado path. This signature was also at 160km from the radar. Curious if it could be surmised that the northern long-track tornado was not at strong as the southern shorter track? Also of note, the southern signature was again north of the assessed tornado track.

-Tempest Sooner