- Hellenic National Meteorological Service (HNMS)
- “Skiron” Forecast System –University of Athens
- Hellenic Center for Marine Research Institute of Oceanography “Poseidon”
- National Observatory of Athens, Institute of Environmental Research –Weather Forecasts (NOA)
- Εuropean Storm Forecast Experiment (ESTOFEX)
- European System Alert System (EFAS)
- Central Europe Weather
- European Centre for Medium-Range Weather Forecasts (ECMWF)
- Meteo France
- Deutscher Wetterdieurst
- UK Met Office
- US National Weather Service
- University Corporation for Atmospheric Research (UCAR)
- National Oceanic & Atmospheric Administration (ΝΟΑΑ)