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IMD Reports Core Heatwave Zone and El Nino Linkage as 16th Finance Commission Recommends Heatwaves as Notified Disaster

Target:UPSC GS-IIIMPSCTeachingSSC GAPrelims HighMains HighStatic GK Link
28 Apr 2026
~2 min
Source: Indian Express
Key Data:47.6°C in Banda, UP (Apr '26)≥5°C above normal for 2 days (Heatwave threshold)≥7°C above normal (Severe heatwave threshold)4 to 8 days (Average duration)23 states (with Heat Action Plans)
Bodies:India Meteorological Department (IMD)16th Finance Commission
Practice MCQs from today's news ▸
What This Article Covers

1.India Meteorological Department (IMD) defines heatwaves as conditions where maximum temperature is at least 5°C above normal for at least two consecutive days, with a severe heatwave declared at 7°C above normal.

2.IMD identifies two primary heatwave zones: the core zone (Northwest, Central India, Bihar, Jharkhand) and the coastal zone (Andhra Pradesh, Odisha), each with distinct meteorological causes.

3.The 16th Finance Commission has recommended including heatwaves and lightning as notified disasters under the Disaster Management Act, enabling states to use State Disaster Response Funds for relief measures.

The Big Picture
Prelims · HighMains · High

IMD defines heatwaves as temperatures ≥5°C above normal for two consecutive days, with a core zone spanning Northwest/Central India to Bihar/Jharkhand and a coastal zone in Andhra Pradesh-Odisha. The 16th Finance Commission has recommended classifying heatwaves as a 'notified disaster' under the Disaster Management Act to unlock State Disaster Response Funds for relief.

Exam Lens

Quick Exam Facts From News

IMD Heatwave Threshold≥5°C above normal for ≥2 consecutive days
Severe Heatwave Threshold≥7°C above normal
Core Heatwave Zone (IMD)Northwest, Central India, Bihar, Jharkhand
Coastal Heatwave ZoneAndhra Pradesh, Odisha
16th Finance Commission Rec.Include heatwaves as 'notified disaster'
Highest Temp Recorded (Apr '26)47.6°C in Banda, Uttar Pradesh
Average Heatwave Duration4 to 8 days
States with Heat Action Plans23 states

1-Minute Revision

  • ›IMD Heatwave Threshold: ≥5°C above normal for ≥2 consecutive days
  • ›Severe Heatwave Threshold: ≥7°C above normal
  • ›Target this Data: IMD heatwave threshold is ≥5°C above normal for ≥2 consecutive days.
  • ›Target this Nodal Body: India Meteorological Department (IMD) defines and monitors heatwaves.
  • ›Target this Legal Point: 16th Finance Commission recommended including heatwaves as a 'notified disaster' under the Disaster Management Act, 2005.

Mastered this topic? Test your knowledge with a full MCQ quiz.

Practice exam-style questions, track your score, and strengthen your recall.

Q1Static LinkageEasy

Which organization provides the official definition and monitors heatwave conditions in India?

Q2Statement-basedHard

Consider the following statements regarding heatwaves in India:

1. According to IMD, a severe heatwave is declared when the maximum temperature is at least 7°C above the normal temperature.

2. The core heatwave zone in India includes the southern peninsular states of Tamil Nadu and Kerala.

3. The Sixteenth Finance Commission has recommended including heatwaves as a notified disaster under the Disaster Management Act, 2005.

Which of the statements given above is/are correct?

Q3Data-centricMedium

As per the India Meteorological Department's definition cited in the article, what is the temperature anomaly required for a place to be declared under a heatwave condition?

Q4Application/ImpactMedium

What is the primary significance of the Sixteenth Finance Commission's recommendation to classify heatwaves as a 'notified disaster'?

All 25 MCQs ▸
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