The climate is generally arid, characterized by the extreme southwestern part of the country where Gwadar and Karachi are the main port cities.
Pakistan has a 1,046-kilometre (650 mi) coastline along the Arabian Sea[2] and the Gulf of Oman in the extreme south western part of the country where Gwadar is the main port city.
[3] Each year before the onset of monsoon that is 15 April to 15 July and also after its withdrawal that is 15 September to 15 December, there is always a distinct possibility of the cyclonic storm to develop in the north Arabian Sea.
[5] There is only one tropical cyclone warning centre in Pakistan, which is in Karachi in Sindh province.
During the last 125 years a number of cyclonic storms have struck Pakistan's coastal areas.