Περίληψη:
The objective of this study is the analysis of heavy precipitation
events occurred in Attica region during the period 2007-2013, along with
the determination of their characteristics depending on the season and
their corresponding impact. These events were selected according to two
criteria; the lightning occurrence-information that was acquired from
the Hellenic National Meteorological Service Precision Lightning Sensors
Network (HNMS-PLN)-and the high rainfall intensity, provided by the
Hydrological Observatory of Athens (HOA) rainfall network. On the one
hand, the composite means and anomalies of the respective synoptic
conditions, which were based on the reanalysis data sets acquired from
the National Centers for Environmental Prediction-National Center for
Atmospheric Research (NCEP-NCAR), along with the frontal activity over
Greece, have been analyzed. On the other hand, special attention has
been given to the configuration of specific instability indices, during
the examined rainfall events. The aforementioned study is an effort to
shed light to the rainfall events' features, with respect to their
seasonal incidence and their relation to phenomena such as floods and
hail.
Συγγραφείς:
Feloni, E.
Nastos, P. T.
Matsangouras, Ioannis T.
