Study reports evidence of ‘missing’ spring in India

Syllabus: GS-I Subject: Geography Topic: Indian Climate, Issue: Missing Spring Season in India

Context: Climate trends indicated a disappearance of spring, traditionally occurring between winter and summer.

Study Findings:

  • February stands out as a month of significant warming across all regions analysed.
  • Contrast between January (cooling or slight warming) and February (strong warming) suggests abrupt transitions from cooler to warmer conditions.

Causes:

  • Alterations in the pattern of Western Disturbances and the jet stream are cited as causes for these changes.
Western disturbances are extratropical storms that originate in the Mediterranean region and bring rain and snow to the northwestern parts of the Indian subcontinent.

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Jet streams are fast-moving, narrow air currents high up in the tropopause, the boundary between the troposphere and the stratosphere. Generally blow from west to east (westerly winds).

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