Many flights were canceled and trains were running late in Mumbai, India’s financial hub, on Wednesday, as rains disrupted normal life for the second time in less than a month, highlighting infrastructure challenges in India’s mega-cities.

Heavy rains are predicted in Mumbai, home to the nation’s two largest stock exchanges and the central bank, and its suburbs in the next few hours, according to India’s weather office.

Schools and colleges of Mumbai metropolitan area were ordered shut by Vinod Tawde, the education minister for Maharashtra state, of which Mumbai is the capital. Adding to the woes of the worst downpour in three weeks, high tide is forecast in the coastal city beginning noon until 6 p.m.

The second such disruption since Aug. 29th highlights the lack of infrastructure in a city, where the population has surged to 18 million. Authorities are finally investing in building a mass transit system, while residents still rely on a century-old drainage system.

While no reports of any fatalities came in on Wednesday, operations of Mumbai’s suburban trains that serve 8 million people daily, were disrupted.

“Mumbai needs much better disaster preparedness,” said Ajit Ranade, chief economist at the Aditya Birla Group, “Given that rainfall patterns – quantity, timing and geographical distribution – are all changing, it calls for much higher levels of preparedness.”

A SpiceJet Ltd. Boeing Co. 737 aircraft skidded off the wet runway at Mumbai’s airport late on Tuesday, forcing the second-busiest airport in the country to stop using its main runway. Most airlines, including market leader IndiGo, Jet Airways India Ltd., SpiceJet and Vistara, part-owned by Singapore Airlines Ltd., said flights to Mumbai will be affected on Wednesday.

Mumbai’s Santacruz weather station recorded 30.37 centimeters of rain in the last 24 hours, according to the India Meteorological Department. The center recorded 33.1 centimeters of rain in 24 hours that ended at 8:30 a.m. on Aug. 30, which was heaviest since 94.4 centimeters of rain in 2005.

–With assistance from Pratik Parija Archana Chaudhary and Ashutosh Joshi

This article was written by Anurag Kotoky from Bloomberg and was legally licensed through the NewsCred publisher network. Please direct all licensing questions to [email protected].

Photo Credit: Heavy rain in Mumbai on September 19, 2017. The severe weather is disrupting travel and business. Satyabrata Tripathy / Hindustan Times via Bloomberg