A severe weather warning has been issued for Greece, anticipating strong rainfall, thunderstorms, and gale-force winds reaching up to 10 on the Beaufort scale. The alert, named "Kallianos," highlights areas at the highest risk from the inclement weather. Schools have been closed in affected regions as a precautionary measure against the dangerous conditions. The storm is expected to bring significant disruption, and residents are urged to take necessary safety precautions. Authorities are closely monitoring the situation and preparing for potential impacts. The intensity of the weather necessitates vigilance across Greece, particularly in vulnerable areas.