During a Heatwave – General Precautions

What is Heat Wave?

In India, Heat Wave is considered if maximum temperature of a station reaches as follows-

• Plains: At least 40°C or More
• Hilly Regions: At least 30°C or More

If the below criteria met at least in 2 stations in a Meteorological sub-division for at least two consecutive days and it declared on the second day.

1) Based on Departure from Normal

4. i) Heat Wave: Departure from normal is 4.5°C to 6.4°C
5. ii) Severe Heat Wave: Departure from normal is >6.4°C

2) Based on Actual Maximum Temperature

1. i) Heat Wave: When actual maximum temperature ≥ 45°C
2. ii) Severe Heat Wave: When actual maximum temperature ≥47°C

During a Heatwave – General Precautions

What to Do:
• For timely and accurate weather updates, listen to the radio, watch TV, read newspapers, and pay close attention to alerts and instructions from local authorities.
• You can download weather-related apps like “Sachet.”
• Drink plenty of water even if you don’t feel thirsty.
• Individuals with epilepsy or heart, kidney, or liver issues should consult a doctor before increasing fluid intake.
• Wear light-coloured, loose-fitting cotton clothes during summer.
• When outdoors, cover your head with a cloth, scarf, cap, or umbrella.
• Use sunscreen to protect your skin from harmful UV rays.
• Use sunglasses, if possible, to protect your eyes.
• Take training in first aid for treating heatstroke.
• Elderly, children, ill individuals, and overweight people are more susceptible to heatstroke-take special care of them.
• Stay indoors and avoid travelling during the hottest hours of the day.
• To maintain hydration, drink ORS, buttermilk, lemon water, salted lassi, coconut water, etc.
• Traditional foods like onion salad, raw mango, salt, and cumin can help reduce heatstroke effects.
• Use fans or coolers to keep your home and office ventilated.
• Bathe frequently with plain (not too cold) water to avoid heatstroke.
• Offer water to vendors and delivery personnel who come to your home or office.
• Use public transport and consider carpooling when using private vehicles. This can help reduce global warming and overall heat.
• Conserve water resources around you. Consider harvesting rainwater.
• Use energy-efficient appliances, clean fuels, and alternative energy sources.

What Not to Do:
• Avoid strenuous activities during midday.
• Do not go outdoors barefoot.
• Avoid cooking during peak heat hours; ensure proper kitchen ventilation using exhaust fans if possible.
• Avoid alcohol, tea, coffee, and carbonated drinks as they lead to rapid water loss.
• Refrain from consuming protein-rich, salty, spicy, and oily food during summer. Avoid stale food.
• Do not leave children or pets alone in vehicles.
• Avoid using appliances that generate unnecessary heat.
• Do not burn dried leaves, husks, crop residues, or garbage.