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UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2024-11-22 1:37 |
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Conference: Bucharest University Faculty of Physics 2010 Meeting
Section: Atmosphere and Earth Science; Environment Protection
Title:
Structure and Formation Mechanism of the 25 June 2009 Supercell Developing in a Moist Environment over Harsova, Romania
Authors:
D. V. Carbunaru(1,2), Monica Sasu(1,2), Bogdan Antonescu(1)
Affiliation:
(1)National Meteorological Administration, Bucharest, Romania;
(2)University of Bucharest, Faculty of Physics, P.O.BOX MG-11< bucharest, Romania
E-mail
carb_daniel@yahoo.com
Keywords:
Convection, supercell, formation mechanism, tornado
Abstract:
The main goal of this paper is exemplify the coupling between conceptual models (local factors , forcing) and severe convective phenomena (supercells). This analysis is built in terms of a case study because it offers a strong objective understanding of the physical mechanisms of deep convection. Different types of interactions between atmospheric scales (synoptic, mesoscale, and storm scale) that trigger and organize convective phenomena, are analyzed. The supercells represent a class of convective storms that have a great impact on human lives and material goods, requiring a deep analysis of the generating mechanisms.The case study is from 25 June 2009, when a strong supercell, associated with hail, strong wind and a tornado, was observed near the Harsova town.
The mesoscale (20–200 km) and storm-scale (2–20 km) analysis for this case study are based on the radar data (reflectivity and radial velocity) from S-band Doppler radar located at Medgidia.
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