Chief Meteorologist of Weather Sardar Sarfaraz has said that a low-pressure area will develop over the Arabian Sea in the northeast by Friday.
The southwestern winds from the sea will cease under the impact of the low pressure. The mercury can soar up to 40 degree Celsius in the port city from September 22 to 24. The heat wave like climate conditions will continue for three days in Karachi Sardar Sarfaraz said.
Karachi hosted the last rainfall of this monsoon on September 03, while other parts of the southeastern region of Sindh received showers till 08 September.
The city encountered a heat wave in June this year in the wake of tropical cyclone Vayu in the Arabian Sea.
In June 2015 during a low-pressure area had happened into killing hundreds of people in Karachi and different cities of Sindh.