Consider the following definitions for heat waves and cold waves as per India Meteorological Department (IMD):

  1. Whenever actual maximum temperature remains 45ºC or more for continuous abnormal spell irrespective of normal maximum temperature, heat waves are declared
  2. When WCTn is 0°C or less, Cold Waves are declared irrespective of normal minimum temperature of the station

Which of the above statements is/are correct?

Answer: [C] Both 1 & 2

Heat waves are a continuous spell of abnormally hot weather. A cold wave (known in some regions as a cold snap) is a weather phenomenon that is distinguished by a cooling of the air. 

This question is a part of GKToday's Integrated IAS General Studies Module