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    Winter Thunderstorms in Israel: A Study with Lightning Location Systems and Weather Radar

    Source: Monthly Weather Review:;2001:;volume( 129 ):;issue: 005::page 1259
    Author:
    Altaratz, Orit
    ,
    Levin, Zev
    ,
    Yair, Yoav
    DOI: 10.1175/1520-0493(2001)129<1259:WTIIAS>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: A study of the morphology and evolution of winter thunderstorms in Israel and over the eastern Mediterranean was conducted during the 1995?96 winter season. Electrically active cells were analyzed by combining data from weather radar and an operational lightning positioning and tracking system. This enabled the identification of reflectivity features of electrically active cells, and tracing of the spatial and temporal evolution of thunderstorms. The results show that, in winter, rain clouds became thunderclouds if their echo top was higher than 6500 m (at a temperature level colder than ?30°C), provided that the reflectivity at the level of the ?10°C isotherm was larger than 35 dBZ. The period between the first radar echo and the first detected lightning flash (probably a ground flash) was found to be 10?15 min, a period at which the top of the 40-dBZ echo was located higher than the ?8°C level.
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      Winter Thunderstorms in Israel: A Study with Lightning Location Systems and Weather Radar

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4204769
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    • Monthly Weather Review

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    contributor authorAltaratz, Orit
    contributor authorLevin, Zev
    contributor authorYair, Yoav
    date accessioned2017-06-09T16:13:41Z
    date available2017-06-09T16:13:41Z
    date copyright2001/05/01
    date issued2001
    identifier issn0027-0644
    identifier otherams-63733.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4204769
    description abstractA study of the morphology and evolution of winter thunderstorms in Israel and over the eastern Mediterranean was conducted during the 1995?96 winter season. Electrically active cells were analyzed by combining data from weather radar and an operational lightning positioning and tracking system. This enabled the identification of reflectivity features of electrically active cells, and tracing of the spatial and temporal evolution of thunderstorms. The results show that, in winter, rain clouds became thunderclouds if their echo top was higher than 6500 m (at a temperature level colder than ?30°C), provided that the reflectivity at the level of the ?10°C isotherm was larger than 35 dBZ. The period between the first radar echo and the first detected lightning flash (probably a ground flash) was found to be 10?15 min, a period at which the top of the 40-dBZ echo was located higher than the ?8°C level.
    publisherAmerican Meteorological Society
    titleWinter Thunderstorms in Israel: A Study with Lightning Location Systems and Weather Radar
    typeJournal Paper
    journal volume129
    journal issue5
    journal titleMonthly Weather Review
    identifier doi10.1175/1520-0493(2001)129<1259:WTIIAS>2.0.CO;2
    journal fristpage1259
    journal lastpage1266
    treeMonthly Weather Review:;2001:;volume( 129 ):;issue: 005
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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