Kathmandu, September 12 Incessant rainfall since Sunday evening has inundated roads all over Kathmandu Valley, obstructing vehicular movement and adding to the woes of pedestrians. According to Metropolitan Traffic Police Division, Kathmandu, the traffic movement has been adversely affected on most of the road stretches due to poor drainage system. DSP Gyanendra Pakhrin, operation chief at the division, said while Tinkune continues to be the most affected, ring road area and Teku-Bhotebahal-Tripureshwor stretch were also inundated and a number of two-wheelers and four-wheelers were seen stranded there. Vehicular movement was also hit on Maitighar-Bhadrakali stretch, Jamal, Kesharmahal and Putalisadak. DSP Pakhrin said the traffic police had a hard time managing traffic due to jams. Meteorologists have forecast that the monsoon will last another 11 days and thundershowers will continue until Thursday. “The low-pressure area has been centred around Bihar, causing heavy rainfall since yesterday. The weather will clear up by Thursday,” meteorologist Barun Paudel said. In the past 24 hours, Meteorological Forecast Division has measured 56.5 mm of rainfall in Kathmandu, 69.8 mm in Okhaldhunga, 66.4 mm in Taplejung, 35.7 mm in Dhangadi, 35 mm in Dadeldhura, 31.6 mm in Simara, 30.3 mm in Dhankuta, 25.9 mm in Dharan, 23 mm in Pokhara, 20.2 mm in Dang, 15.3 mm in Jiri and 14.4 mm in Biratnagar. Birendranagar, Jumla, Lumle and Dipayal received less than 10 mm rainfall in the past 24 hours. MFD has stated that this year’s monsoon may last beyond September 23.