Roger's SkyPix

Okie Winters

Obstacle Flow Bowl

Obstacle Flow Bowl

No, this isn't the name of another obscure, lower-tier game in the college football post-season, nor an innovative plumbing invention in the ceaseless struggle against clogged toilets. Instead, the bowl-shaped carving around this tree trunk developed when blizzard winds turbulently broke all around its base, carving out a remarkably circular pit from the surrounding snowfall pediment.

Norman, OK (25 Dec 9), looking SW