Interesting set up this day. Old outflow boundaries were present in the Texas south plains and caprock. Although dewpoints were only in the 50s, with temperatures in the 80s, enough instability and shear were present to develop storms. One such storm formed near the Plainview area along a boundary that contained low 60s dewpoints. We knew this was out storm! We stayed with this for a couple of hours as it developed into a pretty supercell with that nice sculpted structure from the east. Later, storms developed near Lubbock and moved north. Other high based storms developed behind our supercell and all 3 collided north of Lubbock. We were on the east side still, with no true reason to go behind the storm (typically not a favorable place to watch!), but a fluke occurred and produced a 2-3 minute dusty, weak tornado behind our storm! I wouldn’t have changed anything in the way we chased this, as this is usually the best view of a supercell. A couple of chasers caught the tornado as they blasted south to try and get around the south side of our storm from behind and basically were fortunate to witness this dirt bomb. Funny day, still like how we chased it but did witness a landspout tornado during its lifetime.