[1
]Zentralanstalt für Meteorologie und Geodynamik, Vienna, Austria
[2
]Slovak Hydrometeorological Institute, Bratislava, Slovakia
[3
]Hungarian Meteorological Service, Budapest, Hungary
[4
]Meteorology and Hydrology Office, Slovenian Environment Agency, Ljubljana, Slovenia
[5
]Czech Hydrometeorological Institute, Prague, Czech Republic
[6
]Meteorological and Hydrological Service, Zagreb, Croatia
[7
]National Meteorological Administration, Bucharest, Romania