More than half of U.S. faces worst drought in decades

TL;DR

Over 60% of the United States is under drought conditions, with more than 20% in extreme drought. An atypical La Niña and rising temperatures are major contributors. Relief remains uncertain, especially in the West and Southeast.

More than 60 percent of the United States is currently experiencing drought conditions, with over 20 percent classified as extreme drought, according to climate experts. This widespread dryness is among the worst in decades, driven by an atypical La Niña and exacerbated by climate warming, posing serious challenges for water supply and agriculture across the country.

Andrew Ellis, a climatologist at Virginia Tech, explained that the current drought is unusual due to the extent and intensity of the affected areas. The drought’s severity is linked to an atypical La Niña event, where the cooling of the western equatorial Pacific Ocean has caused dry conditions across the southern U.S., including the Southwest, Great Plains, and Southeast. Unlike typical La Niña years, the Pacific Northwest has also experienced significant dryness, which is rare.

Ellis noted that La Niña usually shifts storm tracks northward, reducing precipitation in the southern U.S., but this year’s pattern has been more extreme. The dryness has particularly impacted Colorado, Georgia, and Florida, where extreme and exceptional drought conditions are widespread. States from New Jersey to Arkansas are also heavily affected, relying on moisture from the Gulf of Mexico and Southeast coastlines, which has been limited over the past six to eight months. Meanwhile, the Ohio Valley has remained relatively moist and drought-free so far this year.

Why It Matters

This drought has significant implications for water resources, agriculture, and ecosystems across large parts of the country. Regions such as Colorado and the Southeast face water shortages and increased wildfire risks. The ongoing dryness also threatens to impact food production and energy supplies, making drought management and mitigation critical for policymakers and communities.

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Background

The current drought conditions are partly driven by an atypical La Niña event, which has disrupted normal storm patterns and moisture flows. Historically, La Niña years tend to bring wetter conditions to the Ohio Valley and drier conditions to the southern U.S., but this year’s pattern has been more extreme. Climate warming further intensifies the drought by increasing evaporation and soil moisture loss. Relief from drought is unlikely during the summer months, with the most potential coming from late summer or early fall tropical systems, which carry risks of damaging winds and flooding. Experts warn that a possible El Niño event next fall and winter could bring wetter conditions, but this remains uncertain.

“The current conditions are among the worst in decades because of the combination of intensity and aerial coverage, driven by an atypical La Niña and climate warming.”

— Andrew Ellis, Virginia Tech climatologist

“While La Niña years typically bring certain regional patterns, this event has been more extreme, affecting areas like the Pacific Northwest which usually remain wetter.”

— Andrew Ellis, Virginia Tech climatologist

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What Remains Unclear

It remains unclear how long the drought will persist or whether upcoming tropical systems or an El Niño event will provide significant relief. The precise timing and severity of future rainfall are still uncertain, and climate change continues to influence drought dynamics.

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What’s Next

Monitoring will continue to assess drought progression and potential relief from tropical systems or El Niño conditions. Policymakers and water resource managers are preparing for ongoing impacts, with attention to mitigation strategies and emergency planning, especially for the most affected regions.

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Key Questions

What regions are most affected by the drought?

The most affected areas include Colorado, Georgia, Florida, and states from New Jersey to Arkansas, with widespread drought conditions also impacting the Great Plains and southeastern U.S.

What are the main causes of this drought?

An atypical La Niña event disrupting normal storm patterns, combined with climate warming increasing evaporation and soil moisture loss, are primary drivers.

Can the drought be reversed soon?

Relief is unlikely during the summer months; potential relief depends on tropical systems or a shift to El Niño conditions in the fall, which are still uncertain.

How does climate change affect drought conditions?

Climate warming exacerbates drought by raising temperatures, increasing evaporation, and reducing soil moisture, intensifying the effects of dry spells.

What are the long-term implications if the drought persists?

Prolonged drought could lead to water shortages, increased wildfire risk, agricultural losses, and ecological stress, requiring sustained management efforts.

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