A storm warning has been issued across all regions and major cities in Kazakhstan, causing delays for six flights.

“In this regard, we ask passengers to plan their trips to the airport in advance, consider the weather conditions, and be aware of possible schedule changes,” the Astana airport administration said, The Caspian Post reports via Kazakh media.

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Flights affected by delays include: Doha-Astana, Sanya-Astana, Ust-Kamenogorsk-Astana, Aktobe-Astana, Kyzylorda-Astana, and Petropavlovsk-Astana.

Passengers are advised to check the latest flight status via airline call centers or the airport’s online information boards.