 | John Frederick William Herschel - 1861 - 312 pages
...subside. Its heaped and turbulent outline becomes flat, and sinks rapidly into a low level cloud-bank, with a very definite outline, and fair sky above....on itself, and sinks down rapidly as a heavy body. Stratus is also sometimes formed very suddenly on a higher level, when in a clear, calm night the general... | |
 | Alexander Ramsay - 1884 - 538 pages
...fuel, and gives rise to those dense, yellow, suffocating fogs which infest London in the winter months. It would seem that each particle of soot, acting as...on itself, and sinks down rapidly as a heavy body. Stratus is also formed very suddenly on a higher level, when in a clear calm night the general temperature... | |
 | 1884 - 472 pages
...fuel, and gives rise to those dense, yellow, suffocating fogs which infest London in the winter mouths. It would seem that each particle of soot, acting as...on itself, and sinks down rapidly as a heavy body. Stratus is also formed very suddenly on a higher level, when in a clear calm night the general temperature... | |
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Stratus is also sometimes formed very suddenly on a higher level, when in a clear, calm night the general temperature of the air sinks by radiation, or by diminution of atmospheric pressure, till at some definite altitude above the surface the dewpoint... 