Hindustan Times Above-normal heatwaves on the cards in Punjab: IMD
A heatwave is declared when the maximum temperature at a station reaches at least 40°C or more in the plains and is 4.5°C to 5°C above normal
A heatwave is declared when the maximum temperature at a station reaches at least 40°C or more in the plains and is 4.5°C to 5°C above normal