The Christmas Eve blizzard of 2009 left behind many fascinating drift effects not often witnessed in these parts, including highly variable drifting, flimsy ripples on high, exposed surfaces of underlying ice, and sastrugi. Here, thin and flat-topped layers developed, the edges of the ledges resembling contours on a topographic map, rendered to an oblique perspective that imparts a … [Read more...]
Tunnel Vision: Deep Convection
Lessening light and spreading, thick anvil from a severe storm complex to our southwest created a light sandwich on the northern and eastern horizon. That was interesting to see from the vehicle as we headed east for dinner and lodging. What changed things from interesting to special was when a band of cumulus clouds grew around the anvil's edges, in what was left of a daytime … [Read more...]
Sparking at the State Line
Headed north through outflow, out of Colorado and toward a late dinner and lodging in Kimball, Nebraska, we stopped quickly by the state line when an otherwise innocuous-looking, elevated line of "showers" started blasting tall, forked discharges like this. Even across several miles, the crack of the thunder was sharp and crisp when it reached us, gliding through the cold northwest winds to reach … [Read more...]
Electrical Web
Strung across the upper reaches of supercellular towers like a mass of cobwebs, a brief burst of intracloud and cloud-to-air lightning was but one of numerous similar discharges seen just from this spot. I had tracked the supercell and its immediate, intertwined predecessor, from late-afternoon initiation near the Kansas line, through a glorious sunset, then farther south, twilight lightning … [Read more...]
School Is Over
As they often do, one of my favorite scenes of the 2022 storm season happened by chance. While I cruised north on a good dirt road, toward a closer view of a young, deep supercell, this wonderful pair of abandoned schoolhouses appeared in an open, green field off to the right. The scene not just beckoned—it practically begged and screamed—for me to stop for appreciative photography. Frontlit … [Read more...]
Striking Simplicity
Viewed across a treeless patch of prairie, this view of a single-channel discharge truly was "striking" in its simplicity. This was one of the last few flashes from a dying supercell. It struck in the forward-to-rear-flank core interface just north-northwest of the mesocyclone, whose small, remnant wall cloud is visible at nearer, upper center. In my experience, only a small minority of CGs … [Read more...]
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