2001 Islamabad cloud burst

2001 Islamabad Cloudburst
Date of Occurrence 23 July 2001
Place Islamabad, Rawalpindi, Hazara and Malakand Divisions
Deaths 61
Maximum Precipitation 620 millimetres (24 in), in Islamabad

On 23 July 2001, Islamabad experienced a record breaking 620 millimetres (24 in) of rainfall, which was the 24 hours heaviest rainfall in Pakistan during the past 100 years. Continuous downpour lasted for about 10 hours from 0600 to 1600 PST in Islamabad and Rawalpindi, caused the worst ever Flash flood in the local stream called Nulla Lai and its tributaries of Rawalpindi, which not only flood the low-lying areas of the twin cities but swept away the banks of the stream and buildings built in the encroachments. Islamabad's twin city, Rawalpindi experienced 335 millimetres (13.2 in) of rain during this event.