By Angelina Dass
Dr Vivian Balakrishnan, Minister for the Environment and Water Resources considers today's flash floods worse than those that happened at Orchard Road in June 2010.
He said that it "can be safely presumed that the weather patterns in Singapore have changed" and that rainfall may get worse in the future.
"It is very likely that our drainage systems will have to be redesigned to cope with such intense flashes."
He was speaking to the media on June 5, Sunday about the weather and flash floods that occurred this morning.
A total of 124mm of rain fell over central areas of Singapore - this is equivalent to 77 per cent of the amount of rainfall that usually falls in the month of June.
|Morning floods in Singapore
Click on thumbnail to view (Photos: STOMP, AsiaOne)
|For more photos, click here.|
This rainfall was more intense than June last year, with about 65mm recorded within 30 minutes Sunday morning, compared to the 100mm within 2 hours on June 16, 2010.
Mr Khoo Teng Chye, Chief Executive of PUB, said that while Orchard Road did not experience similar flooding as last year, some buildings were still affected.
Mr Khoo, who was also present at the media briefing, said there was flooding at the junction of Napier Road and Tanglin Mall.
"This is something we have not seen in at least 25 years and because of the flooding there, Tanglin mall was badly affected."
Flood waters reached up to a height of 100mm and subsided within 30 minutes.
Other affected buildings in Orchard Road include Delfi Orchard, Forum Galleria, Liat Towers, Orchard Towers and St Regis Residences.
Minister Balakrishnan, who visited Tanglin Mall and other affected buildings in Orchard Road, said that all affected buildings except Tanglin Mall were back in business by 5pm Sunday evening.