[1] Warm sea surface temperatures allowed the system to quickly deepen and transition into a tropical cyclone.

Zorbas intensified as it headed northward towards Greece, finally reaching its peak intensity with maximum sustained winds of 120 km/h (75 mph) and a minimum central pressure of 987 mbar (29.15 inHg) on September 29.

[1] Water temperatures of around 27 °C (81 °F) supported the storm's transition into a hybrid cyclone, with a warm thermal core in the center.

On September 29, the storm made landfall at peak intensity in the Peloponnese, west of Kalamata, where a minimum central pressure of 989.3 mbar (29.21 inHg) was reported.

[11] An indoor basketball stadium in Artemida, Attica, sustained damage to its roof during the storm, forcing the postponement of a game.

[12] The neighborhoods surrounding the Profitis Ilias in Mikri Mantineia were left without electricity for over 20 days after extensive damage occurred to the power grid.

[14] The coastal village of Kiveri in Argolis, suffered severe damage as a result of strong waves from the storm and floodwaters from the overflowing Oxovrio river.

Severe agricultural losses occurred in the village of Skafidaki, with olives, pomegranates, oranges, and mandarins being the worst impacted.