Rawalpindi launched his "coup d'etat" from Rawalpindi. In 1959, the city became the interim capital of the country under Ayub Khan, who had sought the creation of a new planned capital of Islamabad in the vicinity of Rawalpindi. As a result, Rawalpindi saw most major central government offices and institutions relocate to nearby territory, and its population rapidly expand. Construction of Pakistan's new capital city of Islamabad in 1961 led to greater investment in Rawalpindi. Rawalpindi remained the headquarters of the Pakistani Army after the capital shifted to Islamabad in 1969, while the Pakistan Air Force continues to maintain an airbase
Climate of Islamabad El Niño over Pakistan. It just recorded of rain during the Monsoon season in 2009. The highest rainfall of was recorded in Islamabad during 24 hours on 23 July 2001. The record breaking rain fell in just 10 hours. It was the heaviest rainfall in Islamabad in the past 100 years. The following is the Monsoon rainfall in Islamabad since 2006 based on the data from Pakistan Meteorological Department.<ref name="http://www.pakmet.com.pk"></ref> On 23 July 2001, Islamabad experienced the record breaking of rainfall, which was the 24 hours heaviest rainfall in Islamabad and at any locality in Pakistan during the past 100