Computer Science – Sound
Scientific paper
Jun 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002georl..29l..12r&link_type=abstract
Geophysical Research Letters, Volume 29, Issue 12, pp. 12-1, CiteID 1571, DOI 10.1029/2001GL014303
Computer Science
Sound
17
Meteorology And Atmospheric Dynamics: Atmospheric Electricity, Meteorology And Atmospheric Dynamics: Lightning, Meteorology And Atmospheric Dynamics: General Or Miscellaneous
Scientific paper
In full and partial vertical profiles of the electric field in thunderstorms during the Severe Thunderstorm Electrification and Precipitation Study in 2000, we find evidence for inverted-polarity electrical structures in the convective region of thunderstorms. The evidence consists of polarities opposite from normal (1) in the peaks in the profile of the vertical component of the electric field, Ez, and (2) in the vertical sequence of inferred charges. In storms that possibly are inverted in polarity, the lowest peak in Ez inside the cloud is negative, followed by a positive peak farther up. Near storm top, the uppermost peak is negative, and the uppermost inferred charge is positive. The sounding data do not conclusively prove that inverted-polarity thunderstorms exist, but they support it. If additional data corroborate that such storms do exist, it will require modification of at least some aspects of our conceptual models of storm electrification.
MacGorman Donald R.
Rust David W.
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