Women guard themselves against the Mumbai heat:
Saturday, October 5: As Mumbai readies itself for the withdrawal of monsoon, the Indian Meteorological Department (IMD) has forecast minimal to no rainfall in the coming days, signalling the onset of the infamous ‘October heat’. With the typical monsoon withdrawal date for Mumbai set for October 8, the current line of retreat is progressing over Rajasthan and Gujarat, leaving coastal regions bracing for a rise in temperatures.
The ‘October heat’ phenomenon, which affects Mumbai annually, is expected to bring daily temperatures between 30 to 35 degrees Celsius, as dry easterly and northeasterly winds replace the monsoon’s cooling effect. This sudden surge in heat, exacerbated by high humidity, leads to discomfort and health risks for the city’s population.
What causes October heat?
“October heat creates an oppressive climate, distinct from summer heat due to the lingering humidity,” Dr. Aabid Amin, medical director at Ujala Cygnus Group of Hospitals, told Indian Express The retreat of the southwest monsoon weakens the westerly winds that typically moderate temperatures, allowing heat to build up, especially in coastal cities like Mumbai.
Urban areas, particularly metro cities like Mumbai, face the additional challenge of the urban heat island effect, where concrete and asphalt structures absorb and slowly release heat, further intensifying the temperatures.
Health impacts of October heat
The spike in temperatures coupled with high humidity can strain the body’s ability to cool down, leading to various health issues. This type of heat can lead to dehydration, headaches, respiratory problems, and even heat-related illnesses such as heat cramps, exhaustion, and heatstroke.”
Vulnerable groups like children, the elderly, outdoor workers, and people with pre-existing conditions are particularly at risk. The high humidity also exacerbates conditions like asthma and increases the likelihood of skin infections due to the spread of bacteria and viruses in warmer conditions.
How to stay safe?
To combat the ill effects of October heat, experts advise staying indoors during peak hours between 10 am and 4 pm. Keeping hydrated is key, as Dr. Pratiksha Kadam, a Consultant in Dietetics and Nutrition, advised in a recent report. “Drinking plenty of water is crucial, and avoiding sugary or alcoholic drinks is important as they can lead to dehydration,” she notes. Small, cold meals rich in water content like salads and fruit can help maintain hydration and provide essential nutrients.
Wearing light, loose-fitting clothing, taking frequent cool showers, and using fans or air conditioning are also recommended to beat the heat.
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