• Friday will bring heavy rain, thunderstorms, hail, and even large hail in places, especially in Attica.
• Localized strong showers and thunderstorms will occur in Western Greece, Central Greece, the Peloponnese, Macedonia, Thrace, Thessaly, and the Sporades islands.
• By midday, storms will affect the Northern and Eastern Aegean islands and the Cyclades, and by evening, the Dodecanese and Crete.
• Snow will fall in western, central, and northern mountainous areas.
• The rainfall event is rated as category 4 (very significant).

Red Code Alerts and Critical Hours:

• The Greek Civil Protection issued a “RED CODE” alert for the Northern Aegean and the Dodecanese.
• Other regions already on red alert include the Ionian Islands, Epirus, Western Greece, the Peloponnese, Central Macedonia, and Eastern Macedonia and Thrace.
• The critical period is approximately a 12-hour window from early Friday morning until midday, but storms will persist mainly in the Dodecanese afterward.
• Fire and rescue services are on full alert, ready to respond as needed.

Storm progression on Friday:

• Morning storms will impact Western and Southern Peloponnese, Eastern Macedonia, and Thrace, with special attention advised for the island of Thasos.
• Attica will see two passes of the storm: one during the night and one after dawn.
• By Friday afternoon and evening, storms will affect Eastern Macedonia, Thrace, the Eastern Aegean (notably Chios, Samos, and Ikaria), and continue overnight in the Dodecanese.
• By Saturday midday, the storm will weaken in the Dodecanese.

Recent impacts and damages:

• On Thursday, heavy rains and storms hit the Ionian Islands, Epirus, Western Peloponnese, Eastern Macedonia, Thrace, and northern regions.
• Flooding blocked roads at the port of Agia Kyriaki in Kefalonia.
• Severe hail damaged areas in Xanthi; rivers swelled in Amfilochia.
• Landslides occurred in Tzoumerka, putting homes at risk; geological experts are assessing the area.
• Flooding in Thesprotia’s Paramythia plains has left fields submerged and animals stranded.
• Wind damage and fallen trees affected businesses and homes in Messinia, especially in Finikounta.
• Roads and houses flooded in Meganisi (Lefkada).

Weather forecasts for Friday for major areas:

• Attica: Cloudy with rain and scattered storms, weakening by evening; winds SSW 5-6 Beaufort; temperatures 14–19°C.
• Thessaloniki: Clouds with rain and storms, locally strong; winds NNW 4-5 Beaufort; temps 11–15°C.
• Macedonia and Thrace: Rain and storms, locally strong in the east; winds north in the west and southeast in the east; temps 10–18°C.
• Ionian Islands, Epirus, Western Greece, Western Peloponnese: Showers and thunderstorms, locally strong; winds variable south to southwest; temps 12–17°C.
• Thessaly, Central and Eastern Greece, Peloponnese: Cloudy with rain and scattered storms; winds south 5-6 Beaufort; temps 10–20°C.
• Cyclades and Crete: Clouds with rain and storms; winds SW 5-6 Beaufort; temps 15–22°C.
• Eastern Aegean and Dodecanese: Clouds with rain and storms, locally strong from midday and evening; winds south 5-6 Beaufort; temps 18–23°C.

Safety advice:

The Civil Protection urges citizens to take precautions and stay informed about road conditions and emergency updates via the police and Civil Protection websites.