Greece’s National Meteorological Service (EMY) has issued an emergency bulletin of dangerous weather phenomena brought on by a storm, which will impact most of the country on Wednesday (April 1) and Thursday (April 2).
The low-pressure system in the Western Mediterranean, named Erminio, is forecast to bring prolonged, high-intensity rainfall, heavy thunderstorms, and localized hail.
Storm warnings for Wednesday, April 1
A secondary surface low will form over Libya and move north-northeast rapidly, triggering severe conditions. Eastern Greece will face powerful east-southeast winds of 8–9 Beaufort, reaching 10 Beaufort in the Dodecanese. Heavy snowfall is expected in the mountains of Epirus and Macedonia.
Red Alert Areas (Highest Risk):
- Attica (Athens): From late morning through the evening
- Eastern Peloponnese, Eastern Central Greece, Evia, Thessaly, and the Sporades: From late morning until late at night
- Dodecanese: Beginning in the afternoon
Orange Alert Areas
- Ionian Islands: Starting from the early morning hours
- Cyclades (primarily North) & East Aegean Islands (Chios and southward): From the afternoon through late night
Storm warnings for Thursday, April 2
The system will continue to produce dangerous conditions in the following regions:
Red Alert Areas:
- Western and Southern Peloponnese: From the morning until late at night
- Crete (primarily West and South): From midday until late at night
- Dodecanese: During the early morning hours and again from late afternoon
Orange Alert Areas
- Eastern Thessaly (Larissa, Magnesia, Sporades): From the early morning until noon
- Central Macedonia (Pieria, Imathia, Halkidiki, Serres): From the morning until late afternoon
- East Aegean Islands: Starting from late afternoon

