. Compendium of meteorology. Meteorology. Fig. 15.—A view of the cloud area in New Mexico seeded with dry ice. The towering cumulus to the right of center was seeded with one pound of drj^ ice 15 min earlier. pounds of dry ice were placed in five local regions along the Monzano Mountains. Figure 16 shows the subse- quent development of the rainstorm triggered off by the dry-ice seeding. This cloud system produced its initial precipitation 15 min after dry-ice seeding was completed. The development of this storm was followed in minute detail by radar, two ground stations, and two airplanes. No
. Compendium of meteorology. Meteorology. Fig. 15.—A view of the cloud area in New Mexico seeded with dry ice. The towering cumulus to the right of center was seeded with one pound of drj^ ice 15 min earlier. pounds of dry ice were placed in five local regions along the Monzano Mountains. Figure 16 shows the subse- quent development of the rainstorm triggered off by the dry-ice seeding. This cloud system produced its initial precipitation 15 min after dry-ice seeding was completed. The development of this storm was followed in minute detail by radar, two ground stations, and two airplanes. No other precipitation could be detected by the radar within sixty miles, and the precipitation records show nothing within a hundred miles except from seeded clouds. An adjacent mountain range, the Sandia Mountains, to the northwest of the area used in these experiments, was employed as a control region. Although cumulus clouds similar to those which were seeded formed over the Sandias throughout the day, no. Fig. 16.—Rain showers falling from cumulus cloud 90 min after seeding with one pound of dry ice. trace of precipitation occurred from them. A series of experimental studies in July 1950 produced similar re- sults. The Effects of Silver Iodide Seeding. Anomalous cloud effects were anticipated and have been observed in regions where experiments were conducted with silver iodide. Figure 17 shows a large precipitation area which. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original American Meteorological Society. Committee on the Compendium of Meteorology; Malone, Thomas F. Boston : American Meteorological Society
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