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RISObserved Lightning Morphology Relative to Modeled Space Charge and Electric Field Distributions in a Tornadic Storm
Publisher: American Meteorological Society
Abstract: This study uses a kinematic numerical cloud model that includes electrification and lightning discharge processes to investigate hypotheses concerning intracloud lightning flash rates in the Binger, Oklahoma, tornadic storm ...
Theory and Observations of Controls on Lightning Flash Size Spectra
Publisher: American Meteorological Society
Abstract: revious analyses of very high frequency (VHF) Lightning Mapping Array (LMA) observations relative to the location of deep convective updrafts have noted a systematic pattern in flash characteristics. In and near strong ...
Positive Cloud-to-Ground Lightning in Tornadic Storms and Hailstorms
Publisher: American Meteorological Society
Abstract: Although negative ground flashes usually dominate cloud-to-ground lightning activity, positive ground flashes can dominate in some severe storms for periods ranging from 30 min to several hours. Unlike most other types of ...
Evolution of Cloud-to-Ground Lightning Characteristics and Storm Structure in the Spearman, Texas, Tornadic Supercells of 31 May 1990
Publisher: American Meteorological Society
Abstract: On 31 May 1990, four tornadic supercell storms formed sequentially near the intersection of a dryline and an outflow boundary in the northern Texas panhandle. ?Staccato? lightning flashes, which have been hypothesized to ...
Cloud-to-Ground Lightning in a Tornadic Storm on 8 May 1986
Publisher: American Meteorological Society
Abstract: On 8 May 1986, the National Severe Storms Laboratory (NSSL) collected Doppler radar and lightning ground strike data on a supercell storm that produced three tornadoes, including an F3 tornado in Edmond, Oklahoma, approximately ...
Cloud-to-Ground Lightning Activity in the 10–11 June 1985 Mesoscale Convective System Observed during the Oklahoma–Kansas PRE-STORM Project
Publisher: American Meteorological Society
Abstract: As part of the field program for the Oklahoma?Kansas PRE-STORM Project conducted in May?June 1985, a network of electromagnetic direction-finders was deployed to locate and detect the polarity of cloud-to-ground (CG) ...
Cloud-to-Ground Lightning: Climatological Characteristics and Relationships to Model Fields, Radar Observations, and Severe Local Storms
Publisher: American Meteorological Society
Abstract: Data for nearly 2 million lightning flashes recorded during the 1985?86 warm seasons by the National Severe Storm Laboratory's (NSSL's) lightning strike locating network were evaluated to determine some of the climatological ...
Positive Cloud-to-Ground Lightning in Mesoscale Convective Systems
Publisher: American Meteorological Society
Abstract: We have examined the characteristics of positive cloud-to-ground lightning flashes in Mesoscale Convective Systems observed during the Oklahoma-Kansas PRE-STORM project in 1985. Lightning frequencies and patterns of ground ...
Cloud-to-Ground Lightning throughout the Lifetime of a Severe Storm System in Oklahoma
Publisher: American Meteorological Society
Abstract: Cloud-to-ground (CG) lightning data are examined relative to digitized radar data for a storm system that occurred in Oklahoma on 26 May 1985. This system evolved through three stages: 1) two lines of cells, one near the ...
Lightning in the Anvils of Supercell Thunderstorms
Publisher: American Meteorological Society
Abstract: his study uses data from the Oklahoma Lightning Mapping Array (OK-LMA), the National Lightning Detection Network, and the Norman, Oklahoma (KOUN), prototype Weather Surveillance Radar-1988 Doppler (WSR-88D) radar to examine ...