15.10.2026 10:02
In the downpour that affected Istanbul, the Alibey Stream in the Boğazköy area of Arnavutköy overflowed. The stream waters that overflowed from over the bridge onto the road flooded the garden and part of the building of Boğazköy Primary School. Milli Egemenlik Street was closed to traffic. In Arnavutköy, 125.9 kilograms of rainfall per square meter fell. In the flood, in which 2 people lost their lives across the city, 2,518 reports reached AFAD and 112.
The downpour that began in the morning hours in Arnavutköy and intensified during the day raised the water level of Alibey Stream. The stream overflowing its bed flooded the surrounding roads and an elementary school.
THE STREAM SPILLED OVER THE BRIDGE
In Boğazköy, on Wednesday, October 14, with heavy rainfall, the water level of Alibey Stream rose rapidly. The stream waters that overflowed within the borders of Bolluca Neighborhood flowed over the bridge onto the road and filled the garden of the nearby Boğazköy Elementary School. It was learned that the water also entered part of the school building.
Due to the rising water level in the area, Milli Egemenlik Avenue was completely closed to vehicle traffic.
MUNICIPAL TEAMS STARTED WATER DRAINAGE WORK
Following the report, Arnavutköy Municipality teams dispatched to the area began work to drain the water accumulated in the school garden and on the road. It was stated that the teams took precautions especially on the road closed to traffic and at critical points, and directed residents to safe areas. Authorities called on citizens to stay away from dangerous areas. Work continues to determine the extent of the damage to the school and its garden.
THE SAME SCENE WAS ALSO EXPERIENCED IN BOĞAZKÖY IN 2023
The area had previously come to the agenda with a similar flood. In the torrential rain that affected Istanbul on September 5, 2023, the stream in Boğazköy overflowed, the Boğazköy Bridge was closed to traffic, and water flooded the elementary school's garden and basement. In the same rainfall, many avenues and streets in Arnavutköy turned into lakes, and 2 people swept away by the flood in Başakşehir and Küçükçekmece lost their lives.
In the same month, on September 28, 2023, water also flooded the garden of Mehmet Zeki Obdan Elementary School in Arnavutköy's Haraççı Neighborhood, and students, teachers, and school staff trapped in the building were rescued by teams.
125.9 KILOGRAMS OF RAINFALL PER SQUARE METER IN ARNAVUTKÖY
According to information shared by the Istanbul Governor's Office based on data from the General Directorate of Meteorology, the highest rainfall was measured in Beykoz-Ömerli at 193.84 kilograms per square meter. Beykoz was followed by Arnavutköy with 125.9 kilograms and Sarıyer-İTÜ Maslak with 124.72 kilograms. In Çatalca, 75.2 kilograms, in Kartal, 14.3 kilograms, and in Bakırköy, 6.8 kilograms of rainfall were recorded.
The Istanbul Metropolitan Municipality (İBB), in its own measurements, announced that rainfall of 242 kilograms per square meter fell in Beykoz, 190.5 in Eyüpsultan, and 187.9 in Sarıyer. İBB reported that this amount is among the highest values seen in the city since 1985.
2 PEOPLE DIED IN THE FLOOD
Two people lost their lives in the flood that affected the citywide area. In Çukurbostan Park in Fatih's Balat Neighborhood, 14-year-old M.I., who stepped into a puddle, was electrocuted. The child, taken to the hospital unconscious, could not be saved despite interventions. The Governor's Office announced that an investigation had been launched into the incident.
On Dereboyu Avenue in Sarıyer's Ayazağa Neighborhood, 34-year-old S.Y., who tried to cross through the floodwaters, slipped and fell, hitting his head on the curb. S.Y., pulled from the water by nearby citizens, died at Seyrantepe Hamidiye Etfal Training and Research Hospital, where he was taken.
RAINFALL WILL CONTINUE
The Disaster Coordination Center (AKOM) reported that the rainfall will continue to be effective on the Anatolian Side and around the Bosphorus. According to AKOM, in some areas, until 10:00 on October 15, an additional 50-75 kilograms of rainfall per square meter and winds blowing at a speed of 50-80 kilometers per hour are expected.