The AllSky Layer Precipitable Water product showed utility in identifying and tracking the dryline as it moved into the Lubbock CWA. The dryline entered the CWA at about 1930 UTC.
Coincidentally, the KLBB radar shows convection initiation around 19:30 UTC as well.
And the convection continues to develop:
The AllSky product remains a very useful tool for situational awareness and 2-D environmental familiarization.