The Possibilities of Modifying Lightning Storms in the Northern Rockies (Classic Reprint) - Tapa dura

Excerpt from The Possibilities of Modifying Lightning Storms in the Northern Rockies

It has been demonstrated in the laboratory (1) and the natural atmosphere (2) that clouds of supercooled water droplets may be completely changed to ice crystals by the introduction of small quantities of dry ice into the area containing the supercooled clouds.

Tremendous numbers of ice crystals are produced by the preper use of dry ice (solid carbon dioxide). Quantitative studies have shown that about 1016 ice crystals may be produced per gran 0 dry ice. Thus one pound ofdry ice, which generally costs less than five cents, will produce 5 times 1018 ice crystals under optimum conditions in the free atmosphere. If there were enough moisture available to permit each particle to form.an ice crystal inch in diameter approximately tons cf snow would be produced per pound of dry ice.

Under practical conditions there is neither enough moisture available in the atmosphere nor is it possible to distribute the dry ice efficiently enough to produce and sustain the potential quantities mentioned above.

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