The Permian Basin was included in a slight risk category by the SPC due to abundant advection of low level moisture, steep lapse rates, RUC forecast CAPE values between 1500-2500 J/kg, and predicted forced lifting from downstream shortwaves rounding an intensifying Upper Level Closed Low centered over Baja, Mexico. The 1200Z Skew T diagram depicted adequate speed and directional shear, compliments of a strong southeast to northwest aligned Low Level Jet and moderate upper level southwest-northeast trending winds aloft. Pwat values were above 1.2 inches at 1900Z across most of the Permian Basin. A small inversion layer (cap) still existed above the mixed layer of the troposhere extending from Del Rio to the Permian Basin. This small cap was hard to overcome due to a lack of upper dynamic forcing, which never appreciably materialized, except for a few small convecting storm towers, of which two featured in this text, developed in south-central Ward county, west of Grandfalls, and further southwest along the Reeves and Pecos county line, west of Ft Stockton. Below is the radar reflectivity presentation captured from Baron's software, Mobile Threat Net, at approximately 0200Z on location from SH 329 east of Grandfalls in extreme southwestern Crane County. 
The following image is taken from same locale looking from highway toward the southwest, southern convecting Storm Tower on radar, noting sharp Tower's northern edge, distant center background, just above the small mesquite tree in foreground. Stratocumulus Clouds are spreading, down wind, from upper level shearing, northeast toward author, and are sun highlighted at dusk. 
The south-eastern side of the northern convecting Tower is noted at the right of image and in foreground with respect to southern Storm Tower.
Today, May the 6th, represents an improved chance of severe weather for the Permian Basin due to same potent thermodynamic ingredients as yesterday but with better likelihood of forced lifting due to the eastward movement of the Upper Level Closed Low and attendant height falls and associated diffluence aloft.
The following image is taken from same locale looking from highway toward the southwest, southern convecting Storm Tower on radar, noting sharp Tower's northern edge, distant center background, just above the small mesquite tree in foreground. Stratocumulus Clouds are spreading, down wind, from upper level shearing, northeast toward author, and are sun highlighted at dusk. 
The south-eastern side of the northern convecting Tower is noted at the right of image and in foreground with respect to southern Storm Tower.
Today, May the 6th, represents an improved chance of severe weather for the Permian Basin due to same potent thermodynamic ingredients as yesterday but with better likelihood of forced lifting due to the eastward movement of the Upper Level Closed Low and attendant height falls and associated diffluence aloft.
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