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Study Links Mexico's Dry Soils to U.S. Hot Droughts

10/11/2025

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Summary

Story summary

A study finds dry soils in northern Mexico contribute to hot droughts in the U.S. Southwest, including Arizona, New Mexico, and Texas.
Researchers define 'hot droughts' as low rainfall with high temperatures, health risks and wildfire threats.
The summer of 2023 showed temperatures up to 14°F above average.
The authors urge monitoring soil moisture in Mexico to predict hot droughts in the United States and develop models.

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Story summary

A study finds dry soils in northern Mexico contribute to hot droughts in the U.S. Southwest, including Arizona, New Mexico, and Texas.
Researchers define 'hot droughts' as low rainfall with high temperatures, health risks and wildfire threats.
The summer of 2023 showed temperatures up to 14°F above average.
The authors urge monitoring soil moisture in Mexico to predict hot droughts in the United States and develop models.