This amazing sunset scene was a story of perseverance amidst deep disappointment. Believe it or not, I had to force myself to appreciate it. While my two-vehicle caravan was busting, watching towers fizzle on a boundary 90 miles to the south in seemingly a better environment, this supercell formed and soon produced a spectacular little tornado, followed by an amazing structure show. We finally … [Read more...]
Sunset Shelf over Desert Dust
Of all the growing number of special moments around desert storms, this quickly became among the top few. After observing early- to mid-afternoon thunderstorms in the borderlands southeast of Tucson, a haboob gathered from their collective outflow and churned westward, building more storms and adding more outflow. Some of that iterative process of storm formation and propagation raised this … [Read more...]
Rollin’ Skyward
Even it weakening states, supercells still can be beautiful, as this one was after its peak organization, while entering a more-stable air mass and shrinking. Still, supercells often linger longer than what the surrounding environment alone would indicate, thanks to the vertical pressure-gradient forces (VPGFs) generated by their low-pressure cores developed in higher-buoyancy conditions. That … [Read more...]
Lightning Highway
Four of nearly 80 cloud-to-ground flashes I shot that night split the rainy, dusty monsoonal skies between Tucson and Phoenix. The second from left did contact ground inside the rain core, and the rightmost was a split single discharge with two ground contacts performed at once. Through several cores that crossed the same area, the strikes mostly happened in bursts of 2-5 at a time, where "a … [Read more...]
High Plains Rotation
Here is one of those great parts of the Great Plains: wide-open views, very nearly flat, and devoid of trees. Many folks see this as boring, or flyover country. Spread a supercell across its sky, however, and no grander place exists on God's green Earth than assorted patches of high plateau from west Texas to northern Montana. Each spring, yearning renews as strong as ever for the beauty and … [Read more...]
Benson Blast
Only sporadic, mostly crawler lightning flashed from the trailing part of a thunderstorm cluster, but with only a few very sparse cloud-to-ground strokes. Holding out hopes for one more CG over northern Benson, after missing the others from this convection, the best of them all blasted forth diagonally across the field of view. A crisply undulating, lengthy report of thunder soon followed, then … [Read more...]
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