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Severe weather alert for Greece: Four-day storms in Attica, imminent on Friday

See maps for details

Newsroom May 29 10:45

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Athens, Greece – A four-day period of severe weather is expected to impact parts of Greece, with heavy rain and thunderstorms anticipated. Today, Thursday, unsettled conditions and thunderstorms are affecting the Ionian Sea and western, central, and southern mainland regions. The storm system is expected to intensify significantly, particularly on Friday, bringing the potential for severe weather conditions, including flash floods and localized flooding.

🎯 Η ΠΡΟΟΠΤΙΚΗ ΤΟΥ ΚΑΙΡΟΥ
✅Κανονικές θερμοκρασίες έως την Κυριακή και βαθμιαία άνοδος προς τα μέσα της ερχόμενης εβδομάδος. Η αστάθεια ειδικά την Παρασκευή θα επηρεάσει τις περισσότερες περιοχές και από την Κυριακή θα υποχωρήσει.
⚠️ΔΕΙΤΕ ΤΙΣ ΕΠΙΣΗΜΕΣ ΠΡΟΕΙΔΟΠΟΙΗΣΕΙΣ ΤΟΥ… pic.twitter.com/qbpys9XQbd

— Theodoros Kolydas (@KolydasT) May 28, 2025

Detailed Forecast:

A significant weather system is moving in from the west, bringing a prolonged period of instability. Heavy rain and thunderstorms are forecast to continue for the next four days. Expect further intensification, particularly on Friday, with potentially severe weather conditions, including localized flooding and flash floods in vulnerable areas. Mountainous regions are expected to experience the most intense precipitation. Winds are also anticipated to pick up, potentially causing disruptions to travel and outdoor activities. The exact impact on specific regions will vary, and detailed updates will be provided as the system develops.

Impact:

Specific details on the intensity and exact locations of the heaviest rain and flooding are still being assessed, but the potential for disruption is significant. Authorities are urging residents in vulnerable areas to take necessary precautions, including securing loose objects and monitoring weather updates. Flash flood warnings may be issued for susceptible areas as the system progresses. Travel advisories and potential road closures are possible.

Precautionary Measures:

  • Stay Informed: Monitor weather updates from official sources like the Greek National Meteorological Service.
  • Prepare for Flooding: Secure valuable items and clear drains in vulnerable areas.
  • Avoid Driving: If possible, avoid driving during periods of heavy rain to prevent potential accidents.
  • Follow Local Instructions: Pay close attention to any instructions issued by local authorities.
  • Be Aware of Potential Power Outages: Be prepared for possible power disruptions.

Τοπικές βροχές και καταιγίδες αναμένονται από το μεσημέρι της Πέμπτης 29 Μαΐου 2025. Κανονικές για την εποχή θερμοκρασίες. Άνεμοι έως 5 μποφόρ στα πελάγη.

— meteo.gr – Ο καιρός (@meteogr) May 29, 2025

Further Updates:

More specific information on the potential impact on specific regions will be released as the storm system develops. The Greek National Meteorological Service will provide continuous updates.

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