to 3.10 am. The highest rainfall of 68.6mm was recorded at Ngee Ann Polytechnic from 1.40 am to 2.10 am. Affected areas include Bukit Timah Road (between Wilby Road and Blackmore Drive), Dunearn Road (between Jalan Anak Bukit and Sixth Avenue) and Kranji Expressway slip road (towards Woodlands Road). Flood waters reached a depth of up to 25 cm along Bukit Timah Road and Dunearn Road and subsided within 40 minutes. Thursday, 27 September 2012 A sudden and heavy thunderstorm in the night caused flash floods in several parts of Singapore for about an hour. Kim Tian Road, Tanjong Pagar Road and Marina South underpass were affected, although waters receded in less than an hour. Wednesday, 31 October 2012 and Thursday, 1 November 2012 On Wednesday, flash floods were reported along Ayer Rajah Expressway after the Alexandra exit at around noon, according to Facebook updates from the national water agency PUB. Other affected areas included Thomson, Dunearn, Cambridge and Tiong Bahru roads. The water subsided within 15 to 20 minutes, and some motorists reported stalled cars at Novena and a traffic jam from there to Marymount. On Thursday, heavy downpour causes flash floods in various parts of Singapore such as Serangoon, Bukit Timah, Toa Payoh and Orchard Road. Rain water subsided quickly. One driver lost control of his car while travelling in heavy rain and crashed into a canal after colliding with another car. Strong currents drifted the car down the canal for more than 50m. 2013 Friday, 8 February 2013 Heavy rains in the afternoon caused flash floods in Cuscaden area and Ang Mo Kio, which caused the floodwater to fall from the top to the bottom of the staircase in Cuscaden. Sunday, 28 April 2013 28 April 2013 flash floods in the east of Singapore saw vehicles getting stuck in the floodwaters. On that afternoon, a tree that got uprooted amid strong wind and rain on Saturday afternoon fell on a car, killing 25-year-old driving instructor Jason Cheong. His 34-year-old student Marliana Sumarno, who was in the driver's seat at the time, miraculously escaped with just minor cuts and abrasions. This happened even though the Honda City car they were in was crushed by the huge tree, which stretched across more than two lanes of the road. Thursday, 5 September 2013 Heavy rainfall of 102.8mm between 8.10 am to 9.40 am caused flash floods at National University of