Tc. Marshall et Sj. Marsh, NEGATIVELY CHARGED PRECIPITATION IN A NEW-MEXICO THUNDERSTORM, JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 98(D8), 1993, pp. 14909-14916
Substantial quantities of negatively charged precipitation were found
in the main negative charge center of a small New Mexico thunderstorm.
The charge density of the negative precipitation was equal to or grea
ter than the deduced total charge density of the region.