One of the highest rainfall amounts of recent years was recorded in Istanbul; While 242 kilograms of precipitation per square meter fell in Beykoz, a total of 6 thousand 937 notices were received by IMM and citizens were advised to avoid using private vehicles.
AI-generated summary
One of the highest rainfall amounts seen in recent years was recorded in Istanbul, and this was one of the highest values seen since 1985.
According to the statement made by IMM, one of the highest rainfall amounts of recent years was recorded in Istanbul.
The amount of rainfall per square meter in some parts of the city reached 240 kilograms.
242 kilograms of precipitation per square meter fell in Beykoz, 190.5 kilograms in Eyüpsultan, and 187.9 kilograms in Sarıyer.
The amount of precipitation per square meter, especially in the Bosphorus and the northern and central parts of the European Side, was measured as 100 to 230 kilograms.
The amount of rainfall per square meter in many parts of Istanbul exceeded 100 kilograms.
The amount of recorded rainfall reached one of the highest values since 1985.
A total of 6 thousand 937 notices were received by IMM units.
A total of 6 thousand 937 notices were received by IMM units due to rain. 5,711 of the notices were forwarded to İSKİ, 528 to the Solution Center, 498 to the fire department, and 200 to the road maintenance teams.
According to AKOM's meteorological evaluations, rainfall is expected to continue its impact, especially around the Anatolian Side and the Bosphorus.
It is estimated that 50 to 75 kilograms of additional precipitation per square meter may fall in some regions until 10:00 in the morning today, and the wind may reach speeds of 50 to 80 kilometers per hour.
Citizens were called upon not to go to traffic with their private vehicles unless necessary, to prefer public transportation as much as possible, and to stay away from stream beds and areas at risk of flooding.
Due to adverse weather conditions, IMM will keep all its social facilities open until the morning so that citizens can rest in safe areas. All 6 points of BELTUR will be in service throughout the night. In order to facilitate transportation for citizens, services on 15 rail system lines were extended until 02:00.
AI outlook — possibilities, not facts
Rain will continue to affect the Anatolian Side and the Bosphorus and additional rain is expected.
Likely · Within hours

Istanbul Metropolitan Municipality stated that today's rainfall reached one of the highest values recorded since 1985. 242 kilograms of precipitation per square meter fell in Beykoz. 5,711 of the notices were forwarded to İSKİ, 528 to the Solution Center, 498 to the fire department, and 200 to the road maintenance teams. Citizens were advised not to use private vehicles and to stay away from risky areas.

The downpour, which started in the morning hours in Istanbul, concentrated in Sarıyer Ayazağa and created water puddles in the streets. In this situation, an IETT bus and some vehicles were stranded and dragged. Citizens climbed on top of the vehicles and waited to be rescued, and the incident was recorded with a mobile phone camera.

The heavy rain in Istanbul blocked a strip of the TEM Kartal-Samandıra connection road in Kartal with soil and mud. This situation caused difficulties for drivers and caused traffic congestion in the region. The incident was recorded with a mobile phone camera.

Minister of Environment, Urbanization and Climate Change Murat Kurum announced the disaster in Istanbul on social media and stated that the provincial directorate teams started damage assessment studies. He announced that the General Directorate of Meteorology gave a yellow warning for tomorrow in Istanbul and 42 provinces around it, and an orange warning in Bursa, Kocaeli, Sakarya, Yalova, Zonguldak and Düzce, and asked citizens to follow the warnings.

Due to the heavy rain in Istanbul, a street in Sarıyer district turned into a lake. A person who lost his balance and fell into the water during the current that was dragging vehicles in Ayazağa District was rescued by swimming and the incident was recorded with a mobile phone camera.
According to the Governorship statement, due to the heavy rainfall in Istanbul since the morning hours, a crisis desk was established at AFAD Istanbul Regional Directorate, and intervention efforts were carried out with 8 thousand personnel and 2 thousand vehicles; A total of 2 thousand 518 reports were received by AFAD and 112 Emergency Call Center between 06.00-20.00 on October 14, 2026, the highest rainfall was measured as 193.84 kilograms per square meter in Beykoz-Ömerli, and no road closures or airport cancellations were reported.