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Faculty of Environmental Sciences
Document Details
Document Type
:
Article In Journal
Document Title
:
Diagnostics of cyclogenesis using potential vorticity
دراسة تشخيصية لتكون وتطور المنخفضات باستخدام الدردورية الجهدية
Document Language
:
English
Abstract
:
Diagnostics of cyclogenesis using potential vorticity Abstract Cyclones and anticyclones are the dominant synoptic scale meteorological weather systems in midlatitudes. An attractive way to study dynamical aspects of these structures is provided by the use of potential vorticity (PV) framework. In this paper several aspects of midlatitude cyclogenesis are investigated within this PV framework using a case study analyses. The analysis of absolute, relative and potential vorticity imply the significance of the upper level dynamics in the initiation of this case of cyclogenesis. On one hand, the isobaric vorticity analysis appears to be an informative, accurate and easy to use as a method for describing the upper-level dynamics. On the other hand the PV analysis provided a summarized picture of the development and the evolution at upper and lower levels, which is directly visible, on the basis of a smaller number of plots compared with the isobaric vorticity analysis. The display of the time sequence of the PV on the appropriate isentropic surface helped in easily understanding the dynamics of the three-dimensional upper level development.
ISSN
:
1311-1211
Journal Name
:
Atmosfera
Volume
:
19
Issue Number
:
4
Publishing Year
:
1426 AH
2006 AD
Article Type
:
Article
Added Date
:
Monday, January 23, 2012
Researchers
Researcher Name (Arabic)
Researcher Name (English)
Researcher Type
Dr Grade
Email
حشمت عبدالباسط محمد
Mohamed, Heshmat Abdel Basset
Investigator
Doctorate
heshmatm@yahoo.com
Files
File Name
Type
Description
32119.pdf
pdf
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