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National Integrated Drought Information System (NIDIS)
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The ACF River Basin Drought and Water Dashboard is a web-based application that allows decision makers to view real-time information on the ACF River Basin all in one place.
The U.S. Drought Portal's Historical Data & Conditions Tool displays three historical drought datasets side by side on an interactive time series graph and map: U.S.
The research-based website NationalSoilMoisture.com provides high-resolution gridded soil moisture products derived from in situ soil moisture measurements, Natural Resources Conserva
A team of scientists at the NASA Goddard Space Flight Center conducted research to quantify the relative importance—or “drought explainability”—of specific indicators with respect to the 
The Climate Toolbox’s Drought Recovery Tool allows users to investigate the probability of recovering from drought conditions in the Western U.S.
Topofire is a topographically resolved wildfire danger and drought monitoring system for the contiguous U.S.
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September 18, 2025
November 20, 2025
June 30, 2025
January 15, 2026
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February 13, 2025
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The Oceanic Niño Index (ONI) has traditionally been NOAA's official measure, or index, to track the El Niño-Southern Oscillation (ENSO). The ONI is calculated as the rolling 3-month average sea surface temperature departure from average (anomaly) in the east-central tropical Pacific Ocean. The warmer-than-average phase of ENSO is called El Niño, the cooler-than-average phase is called La Niña,
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Does El Niño Mean the Drought Across the Southern Plains Will Definitely End? No.There is a growing possibility that an El Niño will be among the strongest influences on weather patterns across the U.S. later this year. What will this mean for drought in the Southern Plains?El Niño is the warm phase of the El Niño-Southern Oscillation, or ENSO. El Niño usually (but not always) coincides with
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Hawai'i’s islands are mountainous, which drives steep climate gradients from reef to ridge on a single island. The topography of the largest islands and exposure to the northeast tradewinds creates cooler and wetter conditions on the North and East windward sides of the island and drier warmer conditions on the South and West (leeward sides of the islands). That diversity of climate types can
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From the catastrophic wildfires in Southern California to historic low-water levels on the Mississippi River and record-low streamflow in the Northeast, drought and its impacts touched nearly every corner of the country. The year saw the unusual return of two La Niña events and devastating weather whiplash that brought historic floods to drought-stricken Texas. 2025 showed us that drought is
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In March 2020, Moderate to Severe Drought (D1-D2) intensified rapidly to Exceptional Drought (D4) along the lower Rio Grande in Texas, according to the U.S. Drought Monitor. Over the next five years, drought severity waxed and waned across the Southern Plains, shifting location and extent but never leaving the region. Drought touched the lives of nearly every resident of the region.NOAA's
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Purpose and ScopeThe report, Facing Future Droughts: Lessons from the Southeast’s 2023 Fall Flash Drought, was developed to improve the monitoring, communication, and response to drought in the Southeastern United States, with a specific focus on flash drought. The 2019 flash drought exposed critical gaps in early warning and monitoring systems, sparking conversations that continued
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On December 15–19, the American Geophysical Union (AGU) is hosting its annual meeting in New Orleans, Louisiana. This year, the meeting will focus on the theme, “Where Science Connects Us.” NOAA’s National Integrated Drought Information System (NIDIS) and partners are excited to present on NIDIS-supported drought research and applications at AGU. This includes a review of climate
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The Mississippi River provides drinking water for millions of Americans, supports hundreds of fish and bird species, and is one of the world’s most important commercial waterways, with an extensive transportation network moving food and other goods across the nation and the world. When drought occurs in the Mississippi River Basin, it can have devastating impacts. Actionable, user-
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When it comes to managing water, there’s a “Goldilocks problem”: runoff frequently delivers far too much or far too little water to the landscape. In the Upper Missouri River Basin (UMRB), catastrophic floods and droughts between 2011 and 2021 highlighted the need for more and better water information to deliver earlier warnings and respond to extremes from both sides of the water supply spectrum
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This story was updated on Friday, September 5, 2025. From the destructive Dragon Bravo Fire in the Grand Canyon to smokey skies in the Northeast due to Canadian wildfires, discover how drought and fire are impacting the U.S. this summer.Drought and wildfire interact in numerous ways. Many of the conditions that cause worsening drought can increase wildfire potential. Temperature, soil
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The Land of Droughts to Flooding RainsWeather whiplash is the abrupt and intense change from one extreme weather condition to another, such as dramatic temperature swings from hot to cold, heavy snowfall to rapid melt, and, as is common in Texas, a period of prolonged drought followed by flooding. In recent years, weather whiplash events have been observed across the United States. Examples
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On the second morning of the 2025 National Soil Moisture Workshop, keynote speaker Syed Huq reminded the audience:“Mni wichoni, water is life.” Syed Huq is the director of Mni Wichoni Rural Water and Water Resources for the Rosebud Sioux Tribe (Sicangu Lakota Oyate). The audience he addressed included researchers, network operators, hazard planners, resource managers, private industry
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