The 2011 Sindh floods began during the monsoon season in mid-August 2011 , resulting from heavy monsoon rains in Sindh , Eastern Balochistan , and Southern Punjab . The floods have caused considerable damage ; an estimated 270 civilians have been killed , with 5.3 million people and 1.2 million homes affected . Sindh is a fertile region and often called the " breadbasket " of the country ; the damage and toll of the floods on the local agrarian economy is said to be extensive . At least 1.7 million acres of arable land has been inundated as a result of the flooding . The flooding has been described as the worst since the 2010 Pakistan floods , which devastated the entire country . Unprecedented torrential monsoon rains caused severe flooding in 16 districts of Sindh province
2010 Pakistan floods
2010 Pakistan floods
Climate of Pakistan