
AI-generated summary
Istanbul Metropolitan Municipality Disaster Coordination Center monitors the weather conditions and issues warnings.
Istanbul Metropolitan Municipality (IMM) Disaster Coordination Center (AKOM) issued a warning for night and morning hours.
According to the statement made by AKOM, the rains will be heavy in some places throughout the province after midnight, and the cold and rainy weather will continue locally and at intervals until the evening hours (20.00) on Wednesday.
During this period, it is predicted that there may be 40-100 kilograms/square meter of rainfall throughout the province, 60-120 kilograms/square meter in the northern districts, especially in Çatalca, Arnavutköy, Eyüpsultan, Sarıyer, Beykoz, Çekmeköy and Şile, and over 150 kilograms/square meter in some places.
LIGHTNING AND STORM WARNING
In these days, when humidity levels reach particularly high levels due to the effect of the north wind, which carries humid air to the region over the Black Sea, it is estimated that storms and heavy thunderstorms accompanied by lightning and thunderstorms may occur due to the coldness of the upper levels of the atmosphere and the relatively warmness of the sea and land surfaces.
AI outlook — possibilities, not facts
The rain will continue, sometimes heavy, until Wednesday evening at 20:00.
Very likely · Within hours

The heavy rain that started last night in Sakarya and increased in intensity in the morning caused puddles and floods in the streets and alleys throughout the city. Yavuz Selim Street in Erenler district turned into a lake and some houses were submerged. Sakarya Metropolitan Municipality gathered at AKOM with the code 'Emergency' and the teams continue to keep watch on the field.

According to the AKOM statement, the rains that were effective throughout Istanbul until 20:00 were measured mostly in Çekmeköy, Pendik, Sarıyer, Kartal and Beykoz districts. The rain, which eased during the day, will increase its effect at 20.00 in the evening and become heavy in places after midnight. Local heavy rainfall is expected until 20:00 on Wednesday evening. Rainfall is estimated to be 60-120 kg/m² in the northern districts and over 150 kg/m² in some regions. A lightning and storm risk warning has been issued. According to AKOM records, since the rain started, a total of 2 thousand 117 reports have been received on issues such as floods, ponding, manhole overflows, road collapses, falling trees and falling dangerous parts. IMM teams are on standby with 6 thousand 722 personnel, 2 thousand 199 vehicles and work machines.

In the coastal cleaning event carried out by Waternet along the Caddebostan coast, 4,450 cigarette butts and a total of 44 kilograms of waste were collected in just a few hours. The event aims to show the impact of daily consumption habits on coastal ecosystems and reduce plastic waste with water purification systems.
The offspring of the pearl mullet, an endemic species of Lake Van, returned to the lake from fresh waters after the breeding season. Experts stated that the gendarmerie's protection efforts and high-flow streams were effective in this year's successful breeding season.

Istanbul Governorship announced that heavy rain and storms are expected in the city until Tuesday midnight, based on the data of the General Directorate of Meteorology. Citizens were asked to be cautious against the risk of floods and transportation disruptions.
The July report of the Gediz River monitoring study, carried out jointly by Izmir and Manisa metropolitan municipalities, has been published. Prof. Dr. Yusuf Founder stated that heavy metal pollution in the river has reached 100-200 times normal values and threatens groundwater.