Mercury to Rise in Karachi as PMD Warns of Looming Heatwave in Metropolis

​Karachi, the bustling metropolis on Pakistan’s southern coast, is no stranger to soaring temperatures, especially as summer approaches. However, recent advisories from the Pakistan Meteorological Department (PMD) have raised concerns about an impending heatwave that could significantly impact the city.​

Understanding the Heatwave Forecast

The PMD has issued a warning about a severe heatwave expected to grip Karachi and other parts of Pakistan starting from April 14, 2025. This heatwave is anticipated to be more intense than usual, with temperatures in Karachi potentially reaching up to 40°C. This marks a significant increase from the average April temperatures, which typically hover around 33.5°C during the day and 22.5°C at night. ​Weather2Visit

Implications for Karachi

Karachi’s coastal location usually provides a moderating effect on its climate, with sea breezes offering respite from the intense heat experienced inland. However, the upcoming heatwave is expected to disrupt this pattern. The suspension of the sea breeze during the day, coupled with hot and dry winds from Balochistan, will likely lead to unusually warm nights and elevated daytime temperatures. ​The Express Tribune+1Pakistan Today+1

Health and Safety Concerns

The anticipated temperatures pose significant health risks, particularly for vulnerable populations such as children, the elderly, and outdoor workers. Prolonged exposure to high temperatures can lead to heat-related illnesses, including heat exhaustion and heatstroke. Symptoms to watch for include excessive sweating, dizziness, weakness, and nausea. Immediate actions should involve moving to a cooler environment and rehydrating with water or electrolyte solutions.​Pakistan Today

Recommended Precautions

To mitigate the effects of the heatwave, residents are advised to:

• Stay Hydrated: Consume ample water throughout the day to prevent dehydration.​
• Limit Sun Exposure: Avoid direct sunlight, especially between 11 am and 4 pm when UV radiation is at its peak.​Pakistan Today
• Wear Appropriate Clothing: Opt for light-colored, loose-fitting, and breathable fabrics to facilitate cooling.​Dawn+1Dawn+1
• Adjust Work Hours: For outdoor laborers and farmers, consider rescheduling work to early morning or late evening to minimize heat exposure.​Pakistan Today
• Create Cool Spaces: Utilize fans or air conditioning, and if these are not available, seek out public cooling centers.​

Government and Community Initiatives

The Provincial Disaster Management Authority (PDMA) emphasizes the importance of community awareness and preparedness. In previous heatwaves, such as the one in 2015, Karachi faced severe consequences, with over 1,200 fatalities due to heat-related causes. This history underscores the need for proactive measures.​Dawn+1Dawn+1

Authorities are encouraged to set up cooling centers, especially in densely populated and vulnerable areas. Additionally, public service announcements and community outreach programs can play a crucial role in disseminating safety information.​

Conclusion

As Karachi braces for this unprecedented heatwave, it is essential for residents to stay informed and take necessary precautions. Collective efforts, including adherence to safety guidelines and community support, are vital to navigate the challenges posed by extreme temperatures. By staying vigilant and prepared, Karachi can mitigate the adverse effects of this heatwave and ensure the well-being of its inhabitants.