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In the week of February 21, the India Meteorological Department (IMD) warned that the maximum temperatures over northwest, west, and central India would be 3-5° C higher than the long-term average. On February 21 itself, the national capital recorded its third hottest February day (33.6° C) in more than five decades.
If the normal maximum temperature of a station is less than or equal to 40°C, then an increase of 5°C to 6°C from the normal temperature is considered to be heat wave condition. Further, an increase of 7°C or more from the normal temperature is considered a severe heat wave condition.
Oct 12, 2022 · Don't miss: UPSC Prelims Test Series 2025. ⇒ Download Timetable. Criteria for Declaring Heatwave. In order to be considered a heat wave, a station’s highest temperature must be at least 40 degrees Celsius for plains regions and 30 degrees Celsius for hilly regions. a) Based on Departure from Normal.
Aug 1, 2023 · The India Meteorological Department (IMD) plays a vital role in this endeavor, issuing timely forecasts and warnings to mitigate the impact of severe weather events, including heatwaves. Recently, IMD introduced the Heat Index, a valuable tool that considers humidity's influence on temperatures.
Apr 18, 2023 · Heat waves are a growing concern for disaster management in India, causing widespread health and environmental impact. Extreme weather events have become more frequent globally, requiring communities to understand and cope with heat waves.
Feb 27, 2019 · Heat wave is considered if maximum temperature of a station reaches at least 40°C or more for Plains, 37°C or more for coastal stations and at least 30°C or more for Hilly regions. Following criteria are used to declare heat wave: Heat Wave: Departure from normal is 4.5°C to 6.4°C.
Heat Waves: Notes for UPSC General Studies. A heatwave is a period of extremely hot weather, accompanied by high humidity from time to time, especially in oceanic climate countries. The topic of Heat Waves and their risks are featured in the General Studies section of the UPSC Prelims Exam.
