15.10.2026 01:20
In the severe downpour that paralyzed Istanbul, one of the highest rainfall values of the last 41 years was recorded. According to İBB data, while 242 kilograms of rainfall per square meter fell in Beykoz, 6,937 reports were made across the city. After the disaster, 8,392 personnel were dispatched to the field, and services on 15 rail system lines were extended. AKOM, meanwhile, warned that up to 75 kilograms of additional rainfall per square meter could fall until the morning hours.
According to a statement from the Istanbul Metropolitan Municipality (İBB), one of the highest rainfall amounts of recent years was recorded in the megacity. At some points in the city, the amount of rainfall per square meter reached 240 kilograms.
ONE OF THE HIGHEST VALUES RECORDED SINCE 1985 WAS REACHED
In Beykoz, 242 kilograms of rain fell per square meter, in Eyüpsultan 190.5 kilograms, and in Sarıyer 187.9 kilograms. Especially around the Bosphorus and in the northern and central parts of the European Side, the amount of rainfall per square meter was measured at 100 to 230 kilograms. At many points in Istanbul, the amount of rainfall per square meter exceeded 100 kilograms. The recorded rainfall amount reached one of the highest values seen since 1985.
MORE THAN 8,000 PERSONNEL TOOK THE FIELD, 6,937 REPORTS WERE MADE
İBB has been continuing its work with 8,392 personnel and 2,246 vehicles and work machines since the first hours when the rains began. As of 23:30, a total of 6,937 reports reached İBB units. Of the reports, 5,711 were forwarded to İSKİ, 528 to the Solution Center, 498 to the fire department, and 200 to Road Maintenance teams.
SERVICES EXTENDED ON 15 RAIL SYSTEM LINES
İBB decided to extend public transport service hours due to adverse weather conditions. On the M1A, M1B, M2, M3, M4, M5, M6, M7, M8 and M9 metro lines operated by Metro Istanbul, services will continue until 02:00. Services on the T1 Kabataş-Bağcılar, T4 Topkapı-Mescid-i Selam and T5 Eminönü-Alibeyköy tram lines, as well as the F1 Taksim-Kabataş and F4 Boğaziçi University/Hisarüstü-Aşiyan funicular lines, were also extended until the same time. It was reported that metrobus services will also continue until morning.
SOCIAL FACILITIES WILL REMAIN OPEN UNTIL MORNING
İBB will keep all its social facilities open until morning so that citizens who are stranded outside due to heavy rain can rest in safe areas and meet their basic needs. Tea and water will be served to citizens at the social facilities. The Çubuklu Silolar, Müze Gazhane, Caddebostan, Bakırköy Sahil, Avcılar Denizköşkler and Kartal locations of İBB subsidiary BELTUR will also serve throughout the night.
NEW WARNING FROM AKOM: 75 KILOGRAMS OF ADDITIONAL RAINFALL EXPECTED
According to AKOM's meteorological assessments, showers are expected to continue their effect especially on the Anatolian Side and around the Bosphorus. It is estimated that until 10:00 on Thursday, an additional 50 to 75 kilograms of rainfall per square meter may fall in some areas, and the wind may reach speeds of 50 to 80 kilometers per hour.
İBB called on citizens not to go out into traffic with their private vehicles unless necessary, to prefer public transport, and to stay away from stream beds and areas at risk of flooding. It was reported that the alarm status continues at AKOM, and that teams will continue their work throughout the night to eliminate the problems caused by the rainfall.
Source: AA / İHA / ANKA