Mumbai Braces for Scorching Heatwave: What Residents Need to Know
Starting this Sunday, temperatures in Mumbai and its neighboring districts of Thane and Raigad are expected to soar above 38 degrees Celsius, prompting the India Meteorological Department (IMD) to issue a yellow ‘heatwave’ alert for three consecutive days. This warning comes as the city and its suburbs prepare for a significant spike in temperatures, posing challenges for residents.
Understanding the Yellow Alert for Heatwave
A yellow alert for a heatwave in Mumbai is declared when the IMD’s observatories, namely Santacruz and Colaba, record daytime temperatures exceeding 37 degrees Celsius for at least two consecutive days. This is a critical time for residents to be mindful of their health and safety.
Current Conditions and Forecast
On March 9, this year, the IMD’s Santacruz station logged a maximum temperature of 35.8 degrees Celsius, more than three degrees above the seasonal average. Similarly, the daytime temperature at the Colaba observatory climbed to 34.5 degrees Celsius despite overnight temperatures remaining moderate due to a slight cycle change in weather systems.
With the already rigorous temperature conditions the city has been facing, Met department expects that starting from March 9, 2024, Mumbai will experience ovrations of temperature shotpping from daytime to nighttime of around 38 degrees Celsius. Day and night temperature records were almost closed around normal indices.
As the weather bureau forecasts daytime and nighttime temperatures rising above 38 degrees Celsius, nearly five degrees above seasonal normals, directly propelling the IMD to declare a state of heatwave for three consecutive days between March 9 – and March 11.
Extent of HeatWave On Human Body
| Health Impact | Symptoms | Preventive Measures |
|---|---|---|
| Heat Rash | Red bumps or hollow skin under skin | Avoid loose clothing and lotion for outer layer |
| Heat Cramps | Muscle weakness and cramps | Drink sufficient water |
| Heat Exhaustion | Dizziness, weakness, nausea | Rest in cool environments |
| Heatstroke | Critical | Seek medical attention immediately |
Historical Context: Previous Heatwaves
This heatwave marks the second such event for the city this season. Earlier, a heatwave was declared between February 25 and 26. During this period, residents experienced a high-frequency blade of heat exhaustion across the city.
Pro tips: Wear light ventilated clothes and cover the head while being outside in the extreme heat
The frequency and intensity of these heatwaves are expected to increase with rising global temperatures. According to environmental experts, such extreme weather events are becoming more common due to climate change.
What Is the IMD’s Heatwave Alert System?
The IMD utilises a colour-coded alert system to warn the public about impending high-temperature conditions. Here’s a breakdown of what each colour signifies:
- Yellow Alert: The public is advised to be aware of the situation. Although the risk is low, temperatures are expected to be slightly above normal.
- Orange Alert: The situation is potential concern. Residents are advised to take preventative measures and be ready for escalating conditions.
- Red Alert: A state of high risk. Citizens must take urgent precautions to avoid the harmful effects of extreme heat.
Key Advisory and Recommendations
The IMD and health authorities have advised citizens to take precautionary measures during this period. The recommendations include:
Stay Hydrated:
Drink plenty of water to prevent dehydration, which can exacerbate the effects of heat exhaustion.
Cover Your Head: Wear giveaway clothing
Garbs from material like cotton, cotton blend have an extra property of whisking the heat from your body to the surrounding air. This works great for summers. Stay away from thick non-breathable clothing!
With Burning Red Heat Peaks
Additionally, during peak temperature periods, i.e. late morning to late afternoon, avoid intense outdoor activities. Prioritize staying indoors during these hours.
Strengthening these preventive measures can prove helpful during these extreme of median heatwaves conditions.
How much water should a healthy adult drink in extreme heat?
Having at least a handful of water in around 4-5 times in an hour interval would be a quick tip to stay hydrated in extreme heat.
Moreover, Applying heat gel or cold compress on forehead, underarms, neck and temple regions help to provide instant relief from heat exhaustion, allowing the body to cool down faster.
Lastly, staying inside an enclose area like home or car full of AC will wouldn’t help much as these ACs have been designed only to fill become cool indoor surroundings and would not cool down the inside of your body!
What are the symptoms of heat rash?
Heat rash, also known as prickly heat, is characterized by red bumps or blisters on the skin. This condition occurs when sweat ducts become blocked, causing irritation and inflammation. Staying in loose clothing and applying lotions with menthol or aloe vera can help prevent and relieve heat rash.
What are the symptoms of heat stroke, and what should I do if I notice them in someone?
Symptoms of heatstroke include high fever, confusion, loss of consciousness, and a rapid heartbeat. If you notice these symptoms in someone, immediately move them to a cool place, apply cold compresses, and seek medical attention without delay. Heatstroke is a medical emergency and requires prompt treatment.
