Using cell-based VIL density to identify severe-hail thunderstorms in the central Appalachians and middle Ohio Valley

Belk, Nicole M.; Wilson, Lyle D.

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The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

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Using cell-based VIL density to identify severe-hail thunderstorms in the central Appalachians and middle Ohio Valley

1998
By Belk, Nicole M. ; Wilson, Lyle D.
Series: Eastern Region technical attachment (National Weather Service (U.S.)) ; no. 1998-09

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Alternative Title:

Using cell-based vertically integrated liquid density to identify severe-hail thunderstorms in the central Appalachians and middle Ohio Valley
Personal Author:

Belk, Nicole M. ; Wilson, Lyle D.

Belk, Nicole M. ; Wilson, Lyle D. Less -
Corporate Authors:

United States, National Weather Service,
NOAA Program & Office:

NWS (National Weather Service) ; ER (Eastern Region)

NWS (National Weather Service) ; ER (Eastern Region) Less -
Description:

"Vertically integrated liquid (VIL) as an indicator of thunderstorm severity has been studied by researchers since the early 1970s (Greene and Clark 1972). With the arrival of the WSR-88D radar, VIL became operationally available at offices with warning responsibility as a tool for gauging the potential severity of thunderstorms. VIL density has also been shown to be useful in efforts to identify thunderstorms that have a high potential for producing severe hail (Troutman and Rose 1997, Amburn and Wolf 1997). However, for severe hail producing thunderstorms, a threshold VIL density was shown to be more consistent from season to season, and day to day than a threshold VIL (Amburn and Wolf 1997). A threshold VIL density that could be used operationally at NWSFO Charleston WV was desired. However, previous studies done in different geographical areas have shown some variation in specific threshold grid-based VIL density values, with positive but differing amounts of success. With this in mind, a local study of VIL density was undertaken at the National Weather Service Forecast Office (NWSFO) Charleston WV, using data from the KRLX WSR-88D located in Ruthdale, 6 miles south of Charleston"--Introduction.
Content Notes:

Nicole M. Belk and Lyle D. Wilson.

"October, 1998."

System requirements: Adobe Acrobat Reader.

Includes bibliographical references (page 5).
Keywords:

[+]

Forecasting Hail Hailstorms Methodology Radar Meteorology Severe Storms Weather Forecasting
Series:

Eastern Region technical attachment (National Weather Service (U.S.)) ; no. 1998-09
Document Type:

Technical Attachment
Place as Subject:

Ohio River Valley ; Appalachian Mountains

Ohio River Valley ; Appalachian Mountains Less -
Rights Information:

Public Domain
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Library
Main Document Checksum:

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urn:sha256:0f7f2d9d876be9b1a9a33fa3a5dcba0178361e97c5e52f7c280f1c0ae2a09969
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/view/noaa/6685/noaa_6685_DS1.pdf
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Using cell-based VIL density to identify severe-hail thunderstorms in the central Appalachians and middle Ohio Valley

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