Roger's SkyPix

Mini Cloud Atlas

Multilevel - Fractocumulus over Stratus

Multilevel - Fractocumulus over Stratus

This midday cloud scene, naturally enough, tells a story of two overlapping times of day: morning and afternoon. Stratus covered deep Alpine valleys, rising in height slowly, but not yet dispersing altogether, as the ground slowly heated beneath its shade. Meanwhile, the higher terrain warmed enough under direct sunlight so that thermals began to condense some convective cloud material. The convective plumes still were weak enough, and the ambient winds strong enough, so that the cumulus attempts tore into scuddy shreds. With time, the stratus burned off, and deeper cumulus began to dominate the highland sky. We photographed this grand scene far above timberline, along the Grossglockner High Alpine Road (Großglockner Hochalpenstraße), and very near the highway's loftiest vantage (Edelweißspitze). The highest peak in this view is Großes Wiesbachhorn (3564 m or 11,693 ft), third highest in the Hohe Tauern Range.

7 S Fusch, Austria (1 Aug 5) looking NW