Three aircraft accidents are analyzed to gain an understanding of thunderstorm-related downbursts, or extremely rapid downdrafts, which interfered with takeoff or landing maneuvers in each of the three cases. For the purposes of this study, downbursts are defined as having downward speeds greater than 3.6 m/sec at 91 m altitude, and diameters of 800 m or greater. Few of the strongest downdrafts investigated reach the intensity of a downburst. The downburst cells mature about 5-10 minutes after formation, and are generally no more than 3-4 miles in diameter at maturity. A spearhead echo is found to be associated with each of the downburst-caused accidents.


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    Titel :

    Common denominator of three weather-related aircraft accidents


    Beteiligte:
    Fujita, T. T. (Autor:in) / Caracena, F. (Autor:in)

    Kongress:

    Conference on Severe Local Storms ; 1977 ; Omaha, NE


    Erscheinungsdatum :

    1977-01-01


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




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