Tamil Nadu records highest Southwest monsoon temperatures in 2018-25 period at 29.45°C
GS3Economy · S&T · Environment · Security· Climate change & international agreements· Prelims·
Climate change and El Niño impacts on monsoon variability: a GS3 Environment and Agriculture case study.
Why in news
The Regional Meteorological Centre (RMC) and Regional Weather Forecasting Centre (RWFC) reported that Tamil Nadu recorded its highest Southwest monsoon mean temperature of 29.45°C during the 2018-25 period.
Background
Tamil Nadu's mean temperature during the Southwest monsoon was 29.45°C, which is 1.21°C above the average. The period recorded a maximum temperature of 34.25°C and a minimum mean of 24.64°C.
Facts for Prelims
- FactTamil Nadu's Southwest monsoon mean temperature reached 29.45°C during the 2018-25 period.
- FactThe recorded temperature was 1.21°C above the average for the period.
- PlaceVellore and Kodaikanal were identified as stations showing widespread warming.
- S&TGlobal warming and El Niño were cited as primary factors for the temperature rise.
Prelims practice question
With reference to the Southwest monsoon temperature records in Tamil Nadu, consider the following statements:
- The mean temperature recorded during the 2018-25 period was 29.45°C.
- The recorded mean temperature was 0.5°C above the average for the period.
- Vellore and Kodaikanal were identified as stations showing widespread warming.
Which of the statements given above is/are correct?
- (a)2 only
- (b)3 only
- (c)1 and 2 only
- (d)1 and 3 only
Show answer
Answer: (d) 1 and 3 only — Statements 1 and 3 are correct. Statement 2 is incorrect: The recorded temperature was 1.21°C above the average.
For Mains
Q. Discuss how the increasing frequency of extreme temperature anomalies during monsoon seasons poses a threat to India's agricultural stability and water security.
Dimensions to cover in your answer
- Agro-climatic stress: Heat stress on monsoon-dependent crops leading to reduced yields
- Hydrological imbalance: Higher temperatures increasing evapotranspiration rates and affecting groundwater recharge
Keywords: Climate Change · El Niño · Monsoon Variability · Thermal Anomalies · Evapotranspiration
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This note is generated automatically from SatyaDheesh's news feed and mapped to the UPSC CSE syllabus. Check facts against the original report or PIB before using them in an answer.