An old, well-worn drafting ruler from high school—not very long for the world—measured knobby and/or wrinkly hailstones that fell from the hook of the infamous Tushka supercell, in the town of Milburn. The variety of evident formative and cumulative processes for hailstones landing on the same patch of ground can be fascinating! It’s obvious, for example, that the lower right piece, with its amorphous, knobby and seemingly randomized structure, didn’t develop in the same way as the intricately ringed hailstone at left of the middle row, or the largest one at lower left, its brainy texture suggesting a composite of smaller pieces that glued themselves together shortly before falling out of the growth zone. Yet all landed here, all severe.
Milburn OK (14 Apr 11) Looking down
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