Περίληψη:
The COnsortium for Small-scale MOdeling (COSMO) was formed in October
1998, and its general goal is to develop, improve and maintain a
non-hydrostatic limited-area atmospheric model, while the Hellenic
National Meteorological Service joined the consortium in 1999. The COSMO
model has been designed both for operational numerical weather
prediction (NWP) as well as various scientific applications on the
meso-beta and meso-c scale. Two tornado case studies were selected to
investigate the ability of COSMO model to depict the characteristics of
severe convective weather, which favored the development of the
associated storms. The first tornado occurred, close to Ag. Ilias
village, 8 km northwestern from Aitoliko city over western Greece on
February 7, 2013, while the second tornado developed close to Palio
Katramio village, 8 km southern from Xanthi city over northern Greece on
November 25, 2015. Although both tornadoes had a short lifetime, they
caused significant impacts. The COSMO. GR atmospheric model was
initialized with analysis boundary conditions obtained from the European
Centre for Medium-Range Weather Forecasts (ECMWF). The resulting
numerical products with spatial resolution of 0.020 degrees (similar to
2 km) over the geographical domain of Greece depicted very well the
severe convective conditions close to tornadoes formation.
Συγγραφείς:
Matsangouras, Ioannis T.
Avgoustoglou, E.
Gofa, F. and
Pytharoulis, I.
Nastos, P. T.
Bluestein, H. W.
