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Thirstwave - New terminology
June 28 , 2025
3 days
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- Meetpal Kukal and Mike Hobbins, and the U.S. National Oceanic and Atmospheric Administration coined the term “thirstwave”.
- This term denotes three or more contiguous days of intense evaporative demand.
- Thirstwave occurs when the daily evaporative demand stays above the historical 90th percentile for at least three consecutive days.
- Evaporative demand means how thirsty the atmosphere is or how much water it wants to absorb from the ground or plants.
- It is influenced by temperature, wind speed, humidity, and sunshine.
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