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A synoptic analysis of the first AVE-SESAME '79 periodKey features of a severe convection observed during April 10-11, 1979 as part of the Atmospheric Variability Experiment-Severe Environmental Storms and Mesoscale Experiment (AVE-SESAME) are examined. Three-hourly rawinsonde readings from 23 stations were taken, and vertical motion and divergence parameters are considered. The data were converted into a 127 km grid at the surface, and at 50 mb intervals from 900 mb to 100 mb by an objective analysis scheme, while a kinematic method was used to compute vertical motion. A weak upper tropospheric short wave trough was found to propagate from New Mexico into the Texas panhandle, while a jet maximum propagated eastward. The development of a strong wind maximum over Oklahoma and Kansas was associated with a rapid increase in upper-level divergence and the development of a small-scale pressure perturbation in the Texas panhandle, as well as a low-level jet and convergence, which led to rapid changes over the Red River Valley, where stability was decreased.
Document ID
19820041284
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Moore, J. T.
(Saint Louis Univ. MO, United States)
Fuelberg, H. E.
(Saint Louis University St. Louis, MO, United States)
Date Acquired
August 10, 2013
Publication Date
November 1, 1981
Publication Information
Publication: American Meteorological Society
Subject Category
Meteorology And Climatology
Accession Number
82A24819
Funding Number(s)
CONTRACT_GRANT: NAS8-33370
Distribution Limits
Public
Copyright
Other

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