
AI-generated summary
Sudden and heavy rains are common in Istanbul during seasonal transition periods. Such precipitation may exceed the drainage capacity of the city infrastructure, causing waterlogging and traffic disorder.
The heavy rain, which started in the morning hours in Istanbul and increased its effect in the following hours, had a negative impact on life throughout the city. While there were floods in many places due to the rain, there were also disruptions in transportation.
Puddles formed in the metro stations and underpasses in Esenler, Zincirlikuyu and Topkapı. Citizens had difficulty walking due to accumulated water at some points.
STREETS TURNED INTO A LAKE IN SARİYER AND KAĞITHANE
Due to the heavy rain, streets and avenues in Sarıyer and Kağıthane were flooded. While drivers had difficulty moving forward due to the roads being covered with water, there was congestion in traffic.
Some motorcyclists who could not proceed on the roads covered with water had to get off their vehicles and push their motorcycles. Citizens who were unprepared for the rain took shelter at bus stops.
The parking lot of a shopping center in Sarıyer was also flooded. While the area where the vehicles were located in the parking lot was under water, it was seen that most of the vehicles were submerged in Esenler and Sarıyer.
SEA WATER PROGRESSED UP TO LAND
After the rain in Sarıyer, sea water advanced to the coast. As the sea and land merged in the coastal area, sea water was seen overflowing onto the land.
ALİBEY STREAM OVERFLOWED IN ARNAVUTKÖY
The water level of Alibey Stream in the Boğazköy region of Arnavutköy rose due to the downpour. As the stream overflowed over the bridge, water began to fill the garden of a nearby school. It was seen that the water level in the area was rising and the schoolyard was starting to be submerged.
TRAFFIC DENSITY REACHED 89 PERCENT
Heavy rain also negatively affected Istanbul traffic. According to Istanbul Metropolitan Municipality Traffic Density Map data, traffic density throughout the city was measured as 89 percent.
Traffic came to a halt, especially in the Beylikdüzü direction of the E-5 highway. The continuing effect of the rain at the end of the working day caused drivers and citizens throughout the city to have a difficult time.
378 EMERGENCY HEALTH TEAM AND 5 UMKE TEAMS ARE IN THE FIELD
Istanbul Provincial Health Director Abdullah Emre Güner stated that 378 emergency medical teams and 5 National Medical Rescue Teams (UMKE) were on duty in the field against any negativities that may occur after the downpour.
In his statement on his NSosyal account, Güner stated that the teams responded to the reports quickly and effectively.
Calling on citizens to be careful, avoid traffic unless necessary and stay away from areas at risk of flooding, Güner noted that 112 Emergency Call Center can be called in case of emergency.
AI outlook — possibilities, not facts
As the impact of the heavy rain decreases, traffic is expected to return to normal levels.
Likely · Within hours
The heavy downpour in Istanbul caused flooding in many districts, filling roads, underpasses and tunnels with water. Vehicles were stranded, trips were canceled on some transportation lines, and damage such as overflows and falling trees were reported.

Heavy rain, storms and floods occurred in Istanbul. CNN Türk Meteorology Expert Prof. Dr. Orhan Şen warned that the rain would last for 3-4 days, would be effective in regions such as the Bosphorus, Eyüpsultan, Ataşehir and Çekmeköy, and that floods could be expected tomorrow morning, and brought up the risks of soil saturation, landslides, collapse and tree fall.

CNN TÜRK Meteorology Advisor Prof. Dr. Orhan Şen warned that heavy rainfall in Istanbul will intensify around the Bosphorus, Ataşehir and Çekmeköy between 23.00 and 00.00 at night, 200 kilograms of rain falls per square meter and the risk of landslides, collapses and floods will continue.

Due to the heavy rain in Biga district of Çanakkale, the road at the entrance of Demirci Dere Bridge collapsed and was closed to traffic, but was reopened at 18.30. Due to the same rainfall and storm effects, many boats washed ashore in the Gallipoli district and some were damaged by taking on water.

Due to heavy rain throughout Istanbul, AFAD Istanbul Regional Directorate established a crisis desk. Rain has been effective since the morning hours, and as of 20:00, intervention efforts continue with 8 thousand personnel and 2 thousand vehicles. A total of 2,518 notifications were received by AFAD and 112 Emergency Call Center between 06.00-20.00 on 14 October 2026. The most reports were about floods (1,277) and housing damage (808). 193.84 kg/m2 rainfall was measured in Beykoz-Ömerli and 124.72 kg/m2 rainfall was measured in Sarıyer-İTÜ Maslak. There are no road closures or airport cancellations. Due to the rain, personnel in residential social service institutions for children, the elderly and the disabled were excluded from the scope of administrative leave.

Based on the data of the General Directorate of Meteorology, Istanbul Governorship announced that a crisis desk was established at AFAD Istanbul Regional Directorate due to the rain that started in the morning. Intervention efforts continued with 8 thousand personnel, 2 thousand vehicles and work machines. The highest rainfall was measured in Beykoz-Ömerli, with 193.84 kilograms per square meter. Thousands of floods, landslides and strandings were reported.