Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences
NHESS
Articles | Volume 26, issue 2
Articles | Volume 26, issue 2
https://doi.org/10.5194/nhess-26-791-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-26-791-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 2
Research article
 | 
13 Feb 2026
Research article |  | 13 Feb 2026

Rapid amplification of Compound Drought and Heatwave risk over India: a regime shift from arid northwest to humid southern and eastern hotspots

Debankana Bhattacharjee and Chandrika Thulaseedharan Dhanya

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Short summary
India has been increasingly facing simultaneous drought and heatwave events over the past six decades. Using a spell-sensitive index to capture variability in precipitation spells, the spread and intensification of the compound events is tracked toward historically safe humid regions. These events are becoming more frequent, severe, and harder to mitigate, even with short wet spells, highlighting the urgent need to rethink climate preparedness across both traditionally dry and wet regions.
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