Wednesday was a very frustrating day -- a day that appeared to have (finally) a nice juxtaposition of parameters across west-central Nebraska but failed to produce sustained supercellular structures or tornadoes. We targeted the area near McCook, NE, but eventually stopped in a Cambridge, NE town park as we watched towering cu in a convergence zone immediately east of our initial target region. Eventually a cell matured northeast of town and we wrapped around to the northeast, intercepting the nice looking (briefly) supercellular structure near Elwood. This storm pulsed and pulsed and pulsed -- always maturing prior to a cell interaction that would subsequently disrupt the storm's organization. I thought we had a good chance of a tornado along I-80 between Cozad and Lexington as there was some very good scud sucking occurring; alas, a storm coming up from the south closed that window. We watched the storm east of Lexington continue to pulse, but we eventually gave up on it and headed toward a left split to the south. However, before we could get to that storm, we noticed convection south of North Platte that looked like it would traverse a somewhat better environment. We turned the vans toward this new target, but the storms in this area were nothing special. We did encounter some penny-sized hail from the high-based storms. Called it a night and headed to North Platte.
I have a few animated gifs of the day's storms available for view here.
Structure just west of Ellwood.
Southeast of Lexington.
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