1. Hellenic National Meteorological Service, Hellinikon, 16777 Athens, Greece
2. Sector of Environmental Physics—Meteorology, Department of Physics, National and Kapodistrian University of Athens, University Campus, 15784 Athens, Greece
3. Regional Meteorological Centre, Hellenic Tactical Air Force, 41001 Larisa, Greece
4. Sector of Geography and Climatology, Department of Geology and Geoenvironment, National and Kapodistrian University of Athens, University Campus, 15784 Athens, Greece