By Mark Stenhoff
Down comes a deluge of sonorous hail, Or prone-descending rain. Wide-rent, the clouds Pour an entire flood, and but, its flame unquenched, Th’unconquerable lightning struggles via. Ragged and fierce, or in pink whirling balls, And fires the mountains with redoubled rage. Black from the stroke, above, the smould’ring pine Stands a tragic shattered trunk; and, stretched lower than, a dull team the blasted farm animals lie. James Thompson, “The Seasons” (1727) were investigating ball lightning for greater than 20 years. I released a ball lightning file in Nature in 1976 that acquired around the world exposure and that i for this reason many of us wrote to me with debts in their personal stories. inside a truly little while, I had accrued approximately 2 hundred firsthand bills, and the dossier has persisted to develop progressively given that then. numerous issues inspired me. Few of these who wrote to me had any particular foreknowledge of ball lightning on the time in their statement. still, as soon as experiences of alternative phenomena equivalent to St. Elmo’s fireplace were eradicated, the remainder descriptions have been remarkably constant. in addition, approximately all who contacted me have been willing to have a proof of what they'd visible and appeared solely honest
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Additional info for Ball lightning : an unsolved problem in atmospheric physics
It may decay silently or explosively. 2. It has been reported to pass unimpeded through small holes, screens, or solid objects. 3. It may sometimes be associated with acrid odors. 4. It may occasionally be associated with hissing, buzzing, or fluttering sounds. 5. It is sometimes said to rotate, roll, or bounce. 6. It is, rarely, said to move against the wind. 3), which are reviewed in Chapters 11–13. This page intentionally left blank. Chapter 2 Thunderstorms and Lightning T he purpose of this chapter is to offer a brief review of the physics of thunderstorms and lightning.
This is because in winter the freezing level is at a lower altitude. The proportion of lightning that is +CG increases with increasing latitude and with increasing altitude above seal evel, and it is greater in severe storms (Uman 1987). [It is interesting in this context to note that Brand (1923) found that ball lightning was reported to occur most frequently toward the end of a storm and is more often reported in winter than in summer. Rayle’s survey (1966) disagreed with both these conclusions.
3. Its reported shape, diameter, and duration, and the fact that size, luminosity, and appearance are reported to remain fairly constant throughout its life. 4. Ball lightning has been seen in the open air and in enclosed spaces such as buildings or aircraft. 5. When ball lightning is seen inside an aircraft, it is reported to travel along the center of the aircraft from front to rear at a moderate speed relative to the aircraft. 3. Classification of Ball Lightning Models a Internal energy source 1.
Ball lightning : an unsolved problem in atmospheric physics by Mark Stenhoff
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