Cloud-to-ground lightning characteristics of warm season Mesoscale Convection Systems in the Central United States : 1992-1993 /

63.5 %) values showed relatively high variance from

Bibliographic Details
Main Author: Hoeth, Brian Richard, 1973-
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1998.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:63.5 %) values showed relatively high variance from
and 1993. Analysis of the CG lightning flashes
and flash rate yielded a low level of statistical
and median) positive peak current (V = 20.6 % and V =
between the total number of flashes per storm system
characteristics within MCSS. Specifically, the total
currents were generally observed in the second half of
discrepancy between the 67 storm systems. The (mean
examination showed that the apparent differences
flash multiplicity were examined. Also, by comparing
flash rate (B 300 flashes/ltr more), while averaging
ground (CG) lightning flashes within individual
individual MCSS and that the maximum negative peak
Mesoscale Convective Systems (MCSs) that occurred in
multiplicity (V = 10.5 %), and (mean and median)
nearly the same duration (12.0 hrs) as the storm
negative peak current (V = 9.2 % and
negative peak current within the majority of the
number of bashes per storm system flash rate,
of 1993 averaged a higher number of flashes per storm
of the CG lightning characteristics showed that the
percentage positive (V = 71.1 %), and flash rate (V =
percentage positive, first stroke peak current, and
positive multiplicity (V = 10.9 %), negative
producing storm systems of 1993 were vastly different
provided a climatology of the CG lightning
significance (p = 0.46) due to the aforementioned high
storm system to storm system. In contrast, the
storm systems of 1993 were more electrically active
system (2 5,000 flashes more) and a higher overall
systems of 1992 (11.4 hrs). This comparison between
than the preceding year. Results from the climatology
than the storm systems of 1992. However, closer
that the positive peak current was higher than the
the Central United States during May-August of 1992
the life cycle of the storm systems. The storm systems
the storm systems of 1992 vs.1993, it was determined
the two years studied seemed to indicate that the
This study provides a detailed analysis of cloud-to-aphics.
total number of flashes per storm system (V = 74.4 %),
V = 8.8 %) values did not exhibit as much of a
variations in these CG characteristics.
whether the CG lightning characteristics of the flood
Item Description:"Major subject: Meteorology".
Vita.
Physical Description:xiv, 132 leaves : illustrations ; 28 cm.
Also available online.
Bibliography:Includes bibliographical references (leaves 128-131).