In the tidy world of published cloud atlases, every clump of atmospheric condensation fits perfectly in neat little named bins. But in the real sky, odd formations like this defy easy categorization! A field of altocumulus clouds moved overhead shortly after sunrise, in an environment of very steep lapse rates (a lot of middle level instability!), and fast flow. Short, castellanus-like towers … [Read more...]
Fog and Gulls
Though not my preferred conditions for visiting Fisherman's Point, this frigid winter scene nonetheless fascinated. A flock of gulls sought refuge from the bitter air on the lake surface, unaware that would freeze within 24 hours. This wasn't the typical method for forming sea fog, where warm and moist air advects over cold water, which lowers the temperature and condenses the moisture in the … [Read more...]
End of Day on Tampa Bay
What more wholly soothing outdoor experience can there be than a color-splashed convective sunset reflected across warm, quiet waters? This always is a welcomed way to end the day. 3 W Ruskin FL (7 Dec 1) Looking WSW 27.7303, -82.4774 … [Read more...]
Fluidity around Ice Knobs
Dune-like sastrugi gathered at the top of the view, while icy knobs of murky lake water acted as obstacle-flow barriers to snow crystals being blown along the top of their layer. The knobs formed as wave action and spray wettened upward protrusions from the lakeshore and quickly froze in single-digit to subzero (Fahrenheit) cold. A light snowfall then covered the frozen lake surface, giving away … [Read more...]
Rocky Mountain Rainbow
Without ground contact, this rainbow segment seems to levitate freely beneath the high-based shower—a striking addition to an already wondrous vista along the Mt. Evans highway. The edges of the sun's rays can be seen reflected above and refracted through the rainbow segment, then traced down to the shadows on the mountainsides. In the distance to the east: the Great Plains—where the supercells … [Read more...]
Sastrugi Surrounding Sims
On a bitterly cold, rare subzero morning in Norman, the Heisman Park statue of great OU running back Billy Sims stands surrounded by snow containing sastrugi. Obstacle effects related to bow and wake flow rendered areas immediately around the statue's rectangular base clear of snow, but for the deposition zone on its south side (in a north wind). Fortunately, native Texan Billy didn't have to … [Read more...]
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