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Severe weather precursors in the lig...

Gatlin, Patrick.

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Severe weather precursors in the lightning activity of Tennessee Valley thunderstorms.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Severe weather precursors in the lightning activity of Tennessee Valley thunderstorms./
Author:	Gatlin, Patrick.
Description:	98 p.
Notes:	Adviser: Steven Goodman.
Contained By:	Masters Abstracts International46-01.
Subject:	Atmospheric Sciences. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1445431
ISBN:	9780549129332

Severe weather precursors in the lightning activity of Tennessee Valley thunderstorms.
Gatlin, Patrick.

Severe weather precursors in the lightning activity of Tennessee Valley thunderstorms. - 98 p.

Adviser: Steven Goodman.

Thesis (M.S.)--The University of Alabama in Huntsville, 2007.

Rapid increases in the total lightning activity prior to the onset of severe weather have been observed in Florida, Oklahoma, and Alabama thunderstorms. However, the connection between this pronounced total lightning trend (the lightning jump), storm kinematics and severe weather is not well understood.

ISBN: 9780549129332Subjects--Topical Terms:

1019179
Atmospheric Sciences.

Severe weather precursors in the lightning activity of Tennessee Valley thunderstorms.
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020 $a 9780549129332
035 $a (UMI)AAI1445431
035 $a AAI1445431
040 $a UMI $c UMI
100 1 $a Gatlin, Patrick. $3 1266324
245 1 0 $a Severe weather precursors in the lightning activity of Tennessee Valley thunderstorms.
300 $a 98 p.
500 $a Adviser: Steven Goodman.
500 $a Source: Masters Abstracts International, Volume: 46-01, page: 0285.
502 $a Thesis (M.S.)--The University of Alabama in Huntsville, 2007.
520 $a Rapid increases in the total lightning activity prior to the onset of severe weather have been observed in Florida, Oklahoma, and Alabama thunderstorms. However, the connection between this pronounced total lightning trend (the lightning jump), storm kinematics and severe weather is not well understood.
520 $a The total lightning activity tornadic and non-tornadic thunderstorms was compared with radar reflectivity and Doppler-derived velocity, shear, and momentum. An algorithm was developed to detect lightning jumps and quantify their utility in severe weather identification. Nearly all severe storms studied produced total flash rates in excess of 60 flashes min-1 and lightning jumps. In the tornadic thunderstorms, the lightning jump is the dominant electrical response during tornadogenesis, preceding descending and non-descending tornadoes by 18 to 28 min. Lightning jumps used alone as severe weather predictors resulted in a probability of detection of 0.985, a false alarm rate of 0.446, and critical success index of 0.549.
590 $a School code: 0278.
650 4 $a Atmospheric Sciences. $3 1019179
690 $a 0725
710 2 $a The University of Alabama in Huntsville. $3 1017884
773 0 $t Masters Abstracts International $g 46-01.
790 $a 0278
790 1 0 $a Goodman, Steven, $e advisor
791 $a M.S.
792 $a 2007
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1445431