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With reference to the heatwave, consider the following statements:
1. The India Meteorological Department (IMD) declares a heatwave over the plains if the maximum temperature is 40°C or higher and 4.5 degrees above normal, with this criterion being satisfied over two consecutive days.
2. The IMD will issue an “orange" alert, warning of severe heatwave conditions, when the maximum temperature could jump to between 45°C and 47°C.
Which of the statements given above is/are correct?
  • a)
    1 only
  • b)
    2 only
  • c)
    Both 1 and 2
  • d)
    Neither 1 nor 2
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
With reference to the heatwave, consider the following statements:1. T...
An ‘orange alert’ was issued for a severe heatwave in Delhi and neighbouring areas of Punjab, Haryana and Uttar Pradesh, the India Meteorological Department (IMD).
  • The IMD has issued an “orange" alert, warning of severe heatwave conditions, when the maximum temperature could jump to between 45°C and 47°C in parts of Delhi.
  • The India Meteorological Department (IMD) declares a heatwave over the plains if the maximum temperature is 40°C or higher and 4.5 degrees above normal, with this criterion being satisfied over two consecutive days.
Hence both statements are correct.
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Read the following passage carefully and answer the questions given below it. Certain words have been printed in the bold to help you locate them while answering some of the questions.Extreme weather conditions have become such a part of life all across the world over the last decade and more, that ways and means to understand and cope with them have become an essential element of survival strategies. Heatwaves in summer, cold waves in winter and extreme rainfall when it is least expected have almost become the norm. Each of these rounds takes its own toll on lives and livelihoods even as those in other areas are forced to stand as mute spectators. This summer in India, the number of lives lost to heatwave conditions has exceeded 2,000. While shrinking winter-spans are considered by specialists as a sure sign that climate change is a reality we cannot ignore, at the other end of the spectrum, hot summers are no less debilitating. Prediction of these phenomena is itself so difficult, not for lack of effort but because of the theoretical limitations of the models being used in the calculations. Broadly speaking, there is no doubt that summer heat is worsening by the year in parts of India. This fact is reflected in some climate studies. For instance, one on climate in the subcontinent over the period from 1961 to 2010 by scientists of the India Meteorological Department based in Pune and Chennai, found that compared to the first four decades, the number of heat-wave (HW) days per season was higher during 2001-2010 in many parts of north, north-west and central India. An increase was observed in the number of severe-heatwave (SHW) days per season in some stations, mainly in north-west India. The study also found that the frequency, persistence and area coverage of HW/SHW days were more than average in years succeeding El Niño years. Source, The Hindu, Delhi Edition, 3rd JuneWho found out that there is an increase in the number of severe-heat-wave (SHW) days per season in some stations?

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With reference to the heatwave, consider the following statements:1. The India Meteorological Department (IMD) declares a heatwave over the plains if the maximum temperature is 40°C or higher and 4.5 degrees above normal, with this criterion being satisfied over two consecutive days.2. The IMD will issue an “orange" alert, warning of severe heatwave conditions, when the maximum temperature could jump to between 45°C and 47°C.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?
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