Rawalpindi's storm drains were put to the test on Tuesday as monsoon rains poured over the city, flooding streets and homes, and forcing emergency crews into action. The downpour, which began in the morning and continued intermittently until the afternoon, knocked the temperature down to 27 degrees Celsius, offering relief from the summer heat but exposing the city's vulnerability to urban flooding. Main Developments Rainfall totals varied widely across the twin cities, with the heaviest recorded at Katcheri in Rawalpindi at 41mm, followed by Gawalmandi at 31mm, and Chaklala at 20mm. In Islamabad, Bokra logged 14mm, while the Airport station received just 3mm, and Rawalpindi's Kattarian saw a similar 3mm. A major drain in Dhok Khaba and its surroundings overflowed, sending two to three feet of water into residential neighborhoods, homes, and shops. Traffic on a main road came to a standstill as water accumulated, stranding several vehicles, including an ambulance. Read also: Why Punjab's New AAC Posts Stir PMS Officers' Fears Residents and traders blamed the flooding on long-neglected drains, saying small and large waterways had not been cleaned in a long time, and garbage dumped in vacant plots had exacerbated the blockage. The district administration, Water and Sanitation Agency (Wasa), Civil Defence Department, and Rescue 1122 were all on high alert, with Wasa teams deploying water pumps and heavy machinery to drain the affected areas. Background The rain comes as monsoon currents continue to penetrate upper and central Pakistan, a pattern typical for this time of year. A Met Office official noted that a westerly wave is also influencing the upper parts of the country and is expected to persist, adding to the moisture already in the atmosphere. Rawalpindi's drainage infrastructure has historically struggled with heavy rains, and this event echoes past incidents where inadequate maintenance led to urban flooding. The city's cantonment and low-lying areas are particularly prone to waterlogging, as seen in this latest episode. Why It Matters The flooding disrupted daily life, blocked a key road, and delayed an ambulance, highlighting the critical need for proactive drain maintenance. With more rain forecast, the risk of further inundation remains high, and the city's preparedness will be tested again. The incident underscores the broader challenge of urban planning in rapidly growing cities, where climate change is intensifying monsoon variability. What's Next The Met Office has forecast more rain in the twin cities over the next 24 hours, with isolated heavy to very heavy falls possible in Kashmir, Gilgit-Baltistan, Khyber Pakhtunkhwa, Islamabad, upper and central Punjab, and northeastern Balochistan. Southern parts of the country, meanwhile, are expected to remain hot and humid. Wasa and district authorities say they will continue monitoring and responding to any new emergencies as the weather system moves through.