https://youtu.be/j6viBkgwuzgMay 11th was a tough one to gage severe potential. Plenty of outflow boundaries were around, and an advancing cold front as well. Shear was decent, but moisture and instability were scant. We positioned ourselves near Pecos, Texas and finally by late afternoon a supercell formed northwest of town and became severe. The drifted east spinning like crazy and was warned for golfball sized hail. As the sun set, the storm died as stability occurred as the diurnal cyclone ended. A fun chase and a cool time lapse can be found here: