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The interactive role of subsynoptic scale jet streak and planetary boundary layer processes in organizing an isolated convective complexSurface analyses and numerical simulation sensitivity studies are compared in order to determine the role played by deep, well-mixed, and well-heated boundary layers in perturbing a weak jet streak in proximity to the development of an isolated but intense convective complex associated with the Grand Island, Nebraska tornado outbreak of June 3-4, 1980. A brief description of the case is first presented, emphasizing three-hourly surface analyses, radar, and satellite data. The results of numerical experiments comparing differences in the runs with and without diurnal surface sensible heating are discussed and related to observations. The dynamical processes responsible for these simulation differences are discussed, and the significance of these differences are considered in terms of their effect on the preconvective environment.
Document ID
19850042579
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Kaplan, M. L.
(Systems and Applied Sciences Corp. Hampton, VA, United States)
Zack, J. W.
(Systems and Applied Sciences Corp. Hampton, VA, United States)
Wong, V. C.
(Systems and Applied Sciences Corp. Hampton, VA, United States)
Coats, G. D.
(Systems and Applied Sciences Corp. Hampton, VA, United States)
Date Acquired
August 12, 2013
Publication Date
November 1, 1984
Publication Information
Publication: Monthly Weather Review
Volume: 112
ISSN: 0027-0644
Subject Category
Meteorology And Climatology
Accession Number
85A24730
Funding Number(s)
CONTRACT_GRANT: NAS5-27393
Distribution Limits
Public
Copyright
Other

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