Flash propagation and inferred charge structure relative to radar‐observed ice alignment signatures in a small Florida mesoscale convective system

Biggerstaff, Michael I.; Zounes, Zackery; Addison Alford, A.; Carrie, Gordon D.; Pilkey, John T.; Uman, Martin A.; Jordan, Douglas M.

doi:10.1002/2017gl074610

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Flash propagation and inferred charge structure relative to radar‐observed ice alignment signatures in a small Florida mesoscale convective system

2017
By Biggerstaff, Michael I. ; Zounes, Zackery ; Addison Alford, A. ; ...
Source: Geophysical Research Letters, 44(15), 8027-8036

[PDF-1.06 MB]

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Details:

Journal Title:

Geophysical Research Letters
Personal Author:

Biggerstaff, Michael I. ; Zounes, Zackery ; Addison Alford, A. ; Carrie, Gordon D. ; Pilkey, John T. ; ... More +

Biggerstaff, Michael I. ; Zounes, Zackery ; Addison Alford, A. ; Carrie, Gordon D. ; Pilkey, John T. ; Uman, Martin A. ; Jordan, Douglas M. Less -
NOAA Program & Office:

CIMMS (Cooperative Institute for Mesoscale Meteorological Studies)
Description:

A series of vertical cross sections taken through a small mesoscale convective system observed over Florida by the dual-polarimetric SMART radar were combined with VHF radiation source locations from alightning mapping array (LMA) to examine the lightning channel propagation paths relative to the radar-observed ice alignment signatures associated with regions of negative speci ﬁc differential phase ( K DP). Additionally, charge layers inferred from analysis of LMA sources were related to the ice alignment signature.It was found that intracloud ﬂashes initiated near the upper zero- K DPboundary surrounding the negative KDPregion. The zero- KDPboundary also delineated the propagation path of the lightning channel with the
Keywords:

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General Earth And Planetary Sciences Geophysics
Source:

Geophysical Research Letters, 44(15), 8027-8036
DOI:

https://doi.org/10.1002/2017gl074610
ISSN:

0094-8276;1944-8007;
Format:

PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
License:

https://creativecommons.org/licenses/by-nc-nd/4.0/
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CC BY-NC-ND
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Library
Main Document Checksum:

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urn:sha256:15875e91eb973795dd92b1fb32ef997ae60ba05473e8be712083b8ae0006a087
Download URL:

https://repository.library.noaa.gov/view/noaa/52629/noaa_52629_DS1.pdf
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