Source index
Every article on this site is written from named official documents. This page indexes all of them — 174 documents from 113 organisations — so you can go straight to the primary material. See our sourcing policy for how we use it.
Links marked with an arrow open on the source’s own website in a new tab.
American Meteorological Society
International
Argo Program / Woods Hole Oceanographic Institution
International
Asia News Network
International
BMKG
Country
- Potensi hujan Indonesia sepekan ke depan: memasuki fase El Niño kuat, bahaya kekeringan dan karhutla mengintai (opens on the source’s website in a new tab)
Cited in: Indonesia's Fire Season Ignites Early: 5,000 Hotspots, Drying Peat and the Return of Transboundary Haze Risk, The Philippines' Dry Spell Widens: PAGASA Climbs Its Alert Ladder Toward a 47-Province Projection
- Prediksi Musim Kemarau Tahun 2026 di Indonesia (pemutakhiran Juni 2026) (opens on the source’s website in a new tab)
Cited in: Indonesia's Fire Season Ignites Early: 5,000 Hotspots, Drying Peat and the Return of Transboundary Haze Risk, BMKG Warns of Drier, Longer Dry Season as El Niño Takes Hold Over Indonesia
- BMKG: Puncak Musim Kemarau Agustus 2026, Perkuat Kesiapan Hadapi Dampak El Nino (opens on the source’s website in a new tab)
Cited in: BMKG Warns of Drier, Longer Dry Season as El Niño Takes Hold Over Indonesia
Bulletin of the American Meteorological Society
International
- Global impacts and rapid assessment of the 1997-98 El Niño (opens on the source’s website in a new tab)
Cited in: 1997-98: The El Niño of the Century, Watched From Start to Finish
- Impacts of the 1997-98 El Niño on the United States (Changnon) (opens on the source’s website in a new tab)
Cited in: 1997-98: The El Niño of the Century, Watched From Start to Finish
Bureau of Meteorology (Australia)
Australia
- El Niño–Southern Oscillation (ENSO) monitoring (opens on the source’s website in a new tab)
Cited in: Australia's BOM Confirms El Niño Phase as Positive Indian Ocean Dipole Begins to Stir, Australia's 2026–27 Outlook: Drought First, Fire Second, Heat Third — and an Indian Ocean Wildcard
- Climate Driver Update — outlooks (opens on the source’s website in a new tab)
Cited in: Australia's BOM Confirms El Niño Phase as Positive Indian Ocean Dipole Begins to Stir
- El Niño: what it means for Australia's climate (opens on the source’s website in a new tab)
Cited in: Australia's 2026–27 Outlook: Drought First, Fire Second, Heat Third — and an Indian Ocean Wildcard
- About ENSO outlooks (opens on the source’s website in a new tab)
Cited in: One Ocean, Three Rulebooks: How NOAA, JMA, and BOM Define El Niño
- Southern Oscillation Index (SOI) (opens on the source’s website in a new tab)
Cited in: How El Niño Is Measured: Niño Regions, Indices, Buoys, Floats, and Satellites, Walker's See-Saw and Bjerknes's Leap: The Discovery of ENSO
Business History (Taylor & Francis)
Country
Business Standard
Country
BusinessMirror
Philippines
Cambio Colombia
Country
China Daily
Country
China Meteorological Administration / China News Service
China
China Meteorological Administration / Xinhua
China
Columbia Climate School
International
Comité ENFEN (IMARPE)
Country
- Comunicado Oficial ENFEN N° 13-2026 (opens on the source’s website in a new tab)
Cited in: Peru and Ecuador Brace for Coastal El Niño: Flood Alerts, a Suspended Anchoveta Season and a Hydropower Paradox, Peru's ENFEN Keeps Coastal El Niño Alert as Anchoveta Retreat Toward Shore
- Comunicados ENFEN (opens on the source’s website in a new tab)
Cited in: Peru's ENFEN Keeps Coastal El Niño Alert as Anchoveta Retreat Toward Shore
Communications Earth & Environment (Nature)
International
Copernicus Climate Change Service
Global
CSIRO
Country
Cyprus Shipping News
International
Dartmouth College
International
Down To Earth
Country
- Imprint of El Niño and other weather patterns on India's deficit June 2026 rainfall (opens on the source’s website in a new tab)
Cited in: India's Monsoon Falters Under El Niño: A 90% Forecast, a 20% Sowing Gap and a Sugar Export Ban
- El Niño impact: monsoon rainfall deficit slows kharif sowing across India, leaving planting 20% behind last year (opens on the source’s website in a new tab)
Cited in: India's Monsoon Falters Under El Niño: A 90% Forecast, a 20% Sowing Gap and a Sugar Export Ban
- India among countries most exposed as El Niño threatens rainfed crops, FAO says (opens on the source’s website in a new tab)
Cited in: India's Monsoon Falters Under El Niño: A 90% Forecast, a 20% Sowing Gap and a Sugar Export Ban
Dtinews / Dan Tri
Country
DTN Progressive Farmer
International
ECMWF
Global
- El Niño 2026 (opens on the source’s website in a new tab)
Cited in: ECMWF and Copernicus Models Point to a Record December Peak — With an Important Caveat
- Measuring the strength of El Niño (opens on the source’s website in a new tab)
Cited in: ECMWF and Copernicus Models Point to a Record December Peak — With an Important Caveat
El Colombiano
Country
EUMETSAT
Europe
European Commission Joint Research Centre
International
European Space Agency — Observing the Earth
Europe
Expreso
Country
FAO
International
FAO and WFP
International
FEWS NET — Agroclimatology
United States / global
FEWS NET — El Niño 2026-27
United States / global
FEWS NET — Food Security
United States / global
- Conflict, weather shocks, and macroeconomic volatility sustain acute food insecurity (opens on the source’s website in a new tab)
Cited in: FEWS NET: El Niño Rainfall Deficits Compound Hunger From Haiti to Guatemala's Dry Corridor
- Conflict, poor rainfall, and economic impacts drive Emergency and risk of Famine (opens on the source’s website in a new tab)
Cited in: South Sudan: FEWS NET Flags Famine Risk in Four Counties as El Niño Dries the Season
- Maize imports expected to support food access despite below-average harvest (opens on the source’s website in a new tab)
Cited in: Lesotho's Maize Harvest Falls Near 50% Below Average, FEWS NET Reports
- Daños en cultivos de Primera se extienden en el Corredor Seco (opens on the source’s website in a new tab)
Cited in: FEWS NET: Guatemala's Dry Corridor Faces Crisis Hunger Into September
- Crisis (IPC Phase 3)-aligned outcomes are expected in the south during lean season (opens on the source’s website in a new tab)
Cited in: Angola's South Set to Slip Into Crisis Hunger by October, FEWS NET Says
- El Niño is forecast to bring below-average monsoon rains, constraining October harvest (opens on the source’s website in a new tab)
Cited in: FEWS NET: Weak Monsoon Under El Niño Points to Thin October Harvests in South Asia
- Food access likely to decline in late 2026 amid high cereal prices in deficit areas (opens on the source’s website in a new tab)
Cited in: FEWS NET Sees Crisis-Level Hunger in Zimbabwe's Deficit Districts by October
- An early lean season will erode limited seasonal gains in the Grand South (opens on the source’s website in a new tab)
Cited in: FEWS NET: El Niño Sets Up an Early Lean Season Across Madagascar's Grand South
Fire and Rescue Australia
Country
Food and Agriculture Organization of the United Nations
International
Gavi, the Vaccine Alliance
International
gCaptain
International
Global Network Against Food Crises (FAO / WFP)
International
Global Times
Country
GRID-Arendal
International
IGAD Climate Prediction and Applications Centre (ICPAC)
International
India Meteorological Department
India
India Meteorological Department / Press Information Bureau, Government of India
Country
- Updated Long Range Forecast for the Southwest Monsoon Seasonal Rainfall during June–September 2026 and Monthly Rainfall and Temperature Outlook for June 2026 (opens on the source’s website in a new tab)
Cited in: India's Monsoon Falters Under El Niño: A 90% Forecast, a 20% Sowing Gap and a Sugar Export Ban, IMD Downgrades 2026 Monsoon Forecast to 90% of Average as El Niño Strengthens
Infobae
Country
- Fenómeno de El Niño 2026: la CAR prepara 300.000 m³ de agua almacenados en 25 bancos municipales para la sequía (opens on the source’s website in a new tab)
Cited in: Colombia and Venezuela Face a Hydropower Squeeze as El Niño Consolidates
- Perú extiende veda de anchoveta hasta junio por avance de El Niño costero (opens on the source’s website in a new tab)
International Federation of Red Cross and Red Crescent Societies
Global
International Research Institute for Climate and Society, Columbia University
International
IPCC
International
IRI, Columbia University
International
- The Cane-Zebiak forecast model (opens on the source’s website in a new tab)
Cited in: From Shock to Forecast: TOGA, the TAO Array and the Taming of El Niño
- ENSO QuickLook / Technical ENSO Update (July 2026) (opens on the source’s website in a new tab)
Cited in: El Niño strengthens rapidly: NOAA sees 81% chance of a very strong event by late 2026
JAMSTEC
Country
Japan Meteorological Agency
Japan
- El Niño Outlook (monthly diagnosis) (opens on the source’s website in a new tab)
Cited in: JMA: El Niño Continuation Through Autumn Now 'Virtually Certain' as NINO.3 Hits +1.9°C
- El Niño Outlook (opens on the source’s website in a new tab)
Cited in: JMA: El Niño Continuation Through Autumn Now 'Virtually Certain' as NINO.3 Hits +1.9°C
- Historical El Niño and La Niña events (opens on the source’s website in a new tab)
Cited in: One Ocean, Three Rulebooks: How NOAA, JMA, and BOM Define El Niño
Japan Meteorological Agency / Tokyo Climate Center
Country
JIRCAS
Country
Journal of Climate, American Meteorological Society
International
Journal of the Atmospheric Sciences
International
Kevin Trenberth / Bulletin of the American Meteorological Society
International
Korea Meteorological Administration
South Korea
Media Indonesia
Country
Mexico News Daily
Country
Mongabay
International
NASA Earth Observatory
United States
NASA JPL
International
- TOPEX El Niño Watch, October 23, 1997 (opens on the source’s website in a new tab)
Cited in: 1997-98: The El Niño of the Century, Watched From Start to Finish
- NASA analysis sees spike in 2023 global sea level due to El Niño (opens on the source’s website in a new tab)
Cited in: The Ocean Pays First: Coral Bleaching Risk Rises as El Niño Redistributes the Sea's Heat
- International Sea Level Satellite Spots Early Signs of El Niño (opens on the source’s website in a new tab)
Cited in: How El Niño Develops: From Wind Burst to Basin-Wide Warming
NASA Sea Level
International
NASA Sea Level Change Team
International
Nature
International
Nature Climate Change (Cai et al. 2022)
International
NCAR Climate Data Guide
International
NCBI / PMC
International
News Services Division, All India Radio (Prasar Bharati)
India
NOAA
Country
- El Niño forms, expected to strengthen, say NOAA forecasters (opens on the source’s website in a new tab)
- El Niño prolongs longest global coral bleaching event (opens on the source’s website in a new tab)
Cited in: Godzilla in the Pacific: The Record-Setting El Niño of 2015-16
- NOAA predicts below-normal 2026 Atlantic hurricane season (opens on the source’s website in a new tab)
Cited in: El Niño Puts a Lid on the Atlantic Hurricane Season — and Turns Up the Eastern Pacific
- NOAA Coral Reef Watch (opens on the source’s website in a new tab)
Cited in: The Ocean Pays First: Coral Bleaching Risk Rises as El Niño Redistributes the Sea's Heat
- NOAA confirms 4th global coral bleaching event (opens on the source’s website in a new tab)
Cited in: The Ocean Pays First: Coral Bleaching Risk Rises as El Niño Redistributes the Sea's Heat
- Understanding El Niño (opens on the source’s website in a new tab)
Cited in: The Christ Child's Current: How Peruvian Fishermen Named El Niño
NOAA AOML
International
- How does El Niño impact the Atlantic hurricane season? (opens on the source’s website in a new tab)
Cited in: El Niño Puts a Lid on the Atlantic Hurricane Season — and Turns Up the Eastern Pacific
- Understanding ENSO — historical review (opens on the source’s website in a new tab)
Cited in: Walker's See-Saw and Bjerknes's Leap: The Discovery of ENSO
NOAA Atlantic Oceanographic and Meteorological Laboratory
International
NOAA Climate Prediction Center
United States / global
- ENSO: Recent Evolution, Current Status and Predictions — 2026-08-24 (opens on the source’s website in a new tab)
Cited in: CPC Keeps El Niño Advisory as Niño 1+2 Runs 3.2 °C Above Average, CPC: Over 90% Odds of a Very Strong El Niño, 69% Chance of a Record Event
- ENSO Diagnostic Discussion — 2026-08-13 (opens on the source’s website in a new tab)
Cited in: Inside the August ENSO Discussion: Two Separate Thresholds, One Strengthening El Niño, Indonesia's Fire Season Ignites Early: 5,000 Hotspots, Drying Peat and the Return of Transboundary Haze Risk, ECMWF and Copernicus Models Point to a Record December Peak — With an Important Caveat, Salt on the Rice: The Mekong Delta's El Niño Window Opens in November, Panama Canal Tightens Draft Limits as El Niño Strengthens — How a Lake Level Becomes a Global Freight Cost, Colombia and Venezuela Face a Hydropower Squeeze as El Niño Consolidates, Peru and Ecuador Brace for Coastal El Niño: Flood Alerts, a Suspended Anchoveta Season and a Hydropower Paradox, What a Very Strong El Niño Means for the US Winter: Wet South, Dry North, and a Rare Bright Spot for Mexico, Peru's ENFEN Keeps Coastal El Niño Alert as Anchoveta Retreat Toward Shore, East Asia's Two-Act El Niño: Wet Winter in the South, Yangtze Flood Risk in Summer 2027, Brazil's El Niño Dipole: A Drying Amazon in the North, Flood Risk in the South — and a Fire Season Deferred to 2027, JMA: El Niño Continuation Through Autumn Now 'Virtually Certain' as NINO.3 Hits +1.9°C, El Niño strengthens rapidly: NOAA sees 81% chance of a very strong event by late 2026, El Niño Puts a Lid on the Atlantic Hurricane Season — and Turns Up the Eastern Pacific, India's Monsoon Falters Under El Niño: A 90% Forecast, a 20% Sowing Gap and a Sugar Export Ban, PAGASA Issues El Niño Advisory No. 1 as Drought Touches 19 Philippine Provinces, IMD Downgrades 2026 Monsoon Forecast to 90% of Average as El Niño Strengthens, China Declares El Niño State as Korea Braces for a Hot Summer With Ample Rain
- Weekly Niño region SST indices (1991–2020 base) (opens on the source’s website in a new tab)
Cited in: El Niño strengthens rapidly: NOAA sees 81% chance of a very strong event by late 2026
- Oceanic Niño Index (ONI) series (opens on the source’s website in a new tab)
Cited in: El Niño strengthens rapidly: NOAA sees 81% chance of a very strong event by late 2026
- ENSO Diagnostic Discussion (opens on the source’s website in a new tab)
Cited in: El Niño's Long Reach: How Pacific Warming Rewires Weather Worldwide
- Oceanic Niño Index (ONI), version 5 (opens on the source’s website in a new tab)
Cited in: One Ocean, Three Rulebooks: How NOAA, JMA, and BOM Define El Niño, How El Niño Is Measured: Niño Regions, Indices, Buoys, Floats, and Satellites
NOAA Climate.gov ENSO Blog
International
- The spring predictability barrier: we'd rather be on spring break (opens on the source’s website in a new tab)
Cited in: Forecasting El Niño: Model Plumes, Ocean Memory, and the Spring Barrier
- How good have models been at predicting ENSO in the 21st century? (opens on the source’s website in a new tab)
Cited in: Forecasting El Niño: Model Plumes, Ocean Memory, and the Spring Barrier
- ENSO and climate change: What does the new IPCC report say? (opens on the source’s website in a new tab)
Cited in: Will Climate Change Supercharge El Niño? What the IPCC Actually Says
- Impacts of El Niño and La Niña on the hurricane season (opens on the source’s website in a new tab)
Cited in: El Niño, Hurricanes, and Typhoons: One Climate Pattern, Three Ocean Basins, El Niño's Long Reach: How Pacific Warming Rewires Weather Worldwide
- ENSO flavor of the month (opens on the source’s website in a new tab)
Cited in: El Niño Flavors: Eastern Pacific, Central Pacific, and the Modoki Question
- Oceanic Kelvin waves: The next polar vortex (opens on the source’s website in a new tab)
Cited in: How El Niño Develops: From Wind Burst to Basin-Wide Warming
- The Walker Circulation: ENSO's atmospheric buddy (opens on the source’s website in a new tab)
Cited in: The Neutral Pacific: Trade Winds, the Warm Pool, and the Walker Circulation
- What is the El Niño–Southern Oscillation (ENSO) in a nutshell? (opens on the source’s website in a new tab)
Cited in: What Is ENSO? The Pacific Cycle That Shapes Weather Worldwide, Walker's See-Saw and Bjerknes's Leap: The Discovery of ENSO
- NOAA ENSO Blog (opens on the source’s website in a new tab)
Cited in: What Is ENSO? The Pacific Cycle That Shapes Weather Worldwide
NOAA Coral Reef Watch
International
NOAA National Weather Service
Country
NOAA NCEI
International
NOAA NESDIS
International
NOAA Pacific Marine Environmental Laboratory
International
- The Tropical Atmosphere Ocean array chronicle (opens on the source’s website in a new tab)
Cited in: From Shock to Forecast: TOGA, the TAO Array and the Taming of El Niño
- Observations of Warm Water Volume Changes in the Equatorial Pacific (Meinen & McPhaden 2000) (opens on the source’s website in a new tab)
Cited in: Why El Niño Ends: Delayed Oscillators, Recharged Oceans, and the Seeds of Demise
- El Niño Theme Page (opens on the source’s website in a new tab)
Cited in: Why El Niño Ends: Delayed Oscillators, Recharged Oceans, and the Seeds of Demise, What Is ENSO? The Pacific Cycle That Shapes Weather Worldwide
- How the super El Niño of 1982-83 kept itself secret (opens on the source’s website in a new tab)
- PMEL El Niño report (opens on the source’s website in a new tab)
Cited in: The El Niño That Kept Itself Secret: 1982-83, When the Anchoveta Vanished: The 1972-73 Collapse That Shook World Markets
- Tropical Atmosphere Ocean (TAO) array (opens on the source’s website in a new tab)
Cited in: How El Niño Is Measured: Niño Regions, Indices, Buoys, Floats, and Satellites
- What is El Niño? (opens on the source’s website in a new tab)
Cited in: How El Niño Develops: From Wind Burst to Basin-Wide Warming, The Neutral Pacific: Trade Winds, the Warm Pool, and the Walker Circulation
Oceanography (The Oceanography Society)
International
Oxfam
International
PAGASA
Country
- El Niño / La Niña advisories (opens on the source’s website in a new tab)
Cited in: The Philippines' Dry Spell Widens: PAGASA Climbs Its Alert Ladder Toward a 47-Province Projection, Salt on the Rice: The Mekong Delta's El Niño Window Opens in November
- ENSO Advisory No. 1 (9 June 2026) (opens on the source’s website in a new tab)
Cited in: The Philippines' Dry Spell Widens: PAGASA Climbs Its Alert Ladder Toward a 47-Province Projection, PAGASA Issues El Niño Advisory No. 1 as Drought Touches 19 Philippine Provinces
- El Niño / La Niña Advisories (opens on the source’s website in a new tab)
Cited in: PAGASA Issues El Niño Advisory No. 1 as Drought Touches 19 Philippine Provinces
Pan American Health Organization
International
Philippine Daily Inquirer
Philippines
PMC / peer-reviewed literature
International
PNG Prime Minister's Office
Country
PubMed Central, US National Library of Medicine
International
RNZ Pacific
International
SAGE Journals
International
ScienceDirect
International
Scientific Reports (Nature Portfolio)
International
Seatrade Maritime
International
Springer, Coral Reefs journal
International
The Herald
Country
The Weather Channel / Colorado State University
Country
UCAR Center for Science Education
International
UK Met Office
Country
UN News — Climate
United Nations
- The climate pattern putting millions at risk: El Niño explained (opens on the source’s website in a new tab)
Cited in: UN Puts Cash Ahead of the Drought: Africa's El Niño Early-Action Push
- Strengthening El Niño to push 49 million more people into acute hunger (opens on the source’s website in a new tab)
Cited in: WFP: El Niño Could Push 49 Million More Into Acute Hunger by End of 2027
UN Office for the Coordination of Humanitarian Affairs
International
United Nations
International
- UN News coverage of the 2023-24 El Niño (opens on the source’s website in a new tab)
Cited in: The 2023-24 El Niño: The Event That Pushed Earth Past 1.5°C
- UNEP press briefing on the 1997-98 El Niño's costs (opens on the source’s website in a new tab)
Cited in: 1997-98: The El Niño of the Century, Watched From Start to Finish
University of Washington (Billy Kessler)
International
US National Park Service
Country
USDA Foreign Agricultural Service
Country
Việt Nam News
Country
WFP
International
Woods Hole Oceanographic Institution
International
World Bank
International
World Food Programme
International
World Health Organization
International
World Meteorological Organization
Global
- Strong El Niño expected to intensify; much of world faces above-normal temperatures and major changes (opens on the source’s website in a new tab)
Cited in: WMO: Strong El Niño Expected to Intensify, With Above-Normal Temperatures for Much of the World
- El Niño/La Niña Updates (opens on the source’s website in a new tab)
Cited in: WMO: Strong El Niño Expected to Intensify, With Above-Normal Temperatures for Much of the World
- WMO confirms 2023 smashes global temperature record (opens on the source’s website in a new tab)
Cited in: The 2023-24 El Niño: The Event That Pushed Earth Past 1.5°C
- El Niño weakens but impacts continue (opens on the source’s website in a new tab)
Cited in: The 2023-24 El Niño: The Event That Pushed Earth Past 1.5°C
- El Niño-linked rains trigger devastation in Brazil (opens on the source’s website in a new tab)
World Peace Foundation
International
World Resources Institute
International
World Weather Attribution
International
- El Niño key driver of drought in highly vulnerable Southern African countries (opens on the source’s website in a new tab)
- Climate change, not El Niño, main driver of exceptional drought in highly vulnerable Amazon River Basin (opens on the source’s website in a new tab)
- Climate change made the floods in southern Brazil twice as likely (opens on the source’s website in a new tab)