This El Niño Just Matched 1877. Here's What Happened Then.

Summary

The video compares the powerful 1877–78 El Niño with conditions in 2026 and asks why the earlier event coincided with catastrophic drought and famine across multiple continents.

Drought and famine, 1876–79

India’s monsoon was weak in 1876 and exceptionally poor in 1877. A reconstruction based on 306 rain gauges puts 1877 rainfall at 71% of normal—the lowest in the 1871–2016 record. Drought also devastated parts of northern China, northeastern Brazil, southern Africa, and Australia. In Brazil’s Ceará region, rains failed for three successive years.

Death toll estimates are uncertain. The video cites about 8 million deaths in India and 9.5–13 million in northern China. Estimates of the worldwide toll vary widely: some researchers put it above 50 million, while more cautious historians give less than half that figure. Incomplete records make a firm total impossible.

Reconstructing the 1877 El Niño

In 1877, ship crews measured seawater with thermometers and recorded their findings in logbooks. Researchers later digitized these records. The video says the archive contains about 70,000 global sea-surface-temperature observations for that year, but only 238 in the tropical Pacific El Niño region. NOAA used models based on modern data to fill gaps and reconstruct conditions.

Using the method described, 1877 ranked as the strongest El Niño since 1854, with an index of 3.1°C. Limited historical observations may mean its strength is underestimated.

Interacting ocean conditions

The video presents the 1877 disaster as the result of more than El Niño alone:

• A prolonged La Niña-like period from 1870 to 1876 had already contributed to drying in some regions.
• In 1877, the Indian Ocean Dipole reportedly reached a record of +2.4. Its pattern of warm waters in the west and cooler waters in the east shifts rainfall toward East Africa and away from Australia and Indonesia.
• In 1878, an unusually warm North Atlantic is described as shifting the tropical rain belt north, helping prolong drought in northeastern Brazil.

The video argues that these conditions amplified and extended the drought initiated by the Pacific. It notes that a similar sequence occurred in 1997, but says the 1877–78 events were stronger or longer-lasting.

Long-term drought evidence and global temperatures

Tree rings provide records beyond the era of instrumental rainfall measurements: narrow rings generally indicate dry years, while wider rings indicate wet years. A reconstruction covering 800 years of monsoon Asia shows drought affecting 48% of the region in 1877. Only 1495 covered a slightly larger area, and researchers described 1877 as exceptionally severe.

The video reports that Earth warmed about 0.4°C between 1876 and 1878, making 1878 the warmest year of the 19th century in the cited record. It cautions that historical measurement problems affect the comparison and notes that El Niño releases heat from the ocean into the atmosphere.

Human decisions and famine

The video emphasizes that drought alone does not explain the scale of the famine:

• In India, grain continued to be exported while people went hungry. Relief often required hard labor and was criticized as inadequate.
• In China, poor transport made it difficult to move grain into isolated Shanxi.
• In Brazil, relief was delayed.
• Migration and crowded relief camps helped spread cholera, smallpox, typhus, and malaria.

The famine helped spur efforts to forecast the Indian monsoon and led to famine codes—rules for government intervention. The video traces the development of El Niño understanding from Gilbert Walker’s work on the Southern Oscillation to Jacob Bjerknes’s later linking of it to Pacific sea-surface temperatures.

Comparison with 2026

The video reports that eastern Pacific temperatures in July–September matched the 1877 anomaly of 2.8°C, and that September’s absolute temperature in the region exceeded the 1878 peak. It also says India’s monsoon rainfall was 87% of normal, with the southern peninsula at 76%.

In contrast to 1877, the Indian Ocean Dipole was near neutral at +0.2. The North Atlantic was described as warmer than average but well below its 1878 anomaly. These ocean conditions could change, but the video says the two amplifying patterns were not present at the time.

The video reports that forecasts anticipated a strong El Niño and cites estimates of possible additional hunger and heat-related deaths. It also notes India’s reported grain reserves as a protective difference from 1877. Its central conclusion is that ocean conditions influence where drought occurs, but preparedness, food access, transport, and timely relief strongly affect whether drought becomes famine.

Researchers and sources featured

• NOAA — Historical sea-surface-temperature archive and El Niño reconstruction.
• Columbia University’s Lamont-Doherty Earth Observatory — 2018 reconstruction of the drought and analysis of interacting ocean conditions.
• Deepti Singh — Lead author of the 2018 study, as identified in the video.
• Met Office — Global-temperature record cited in the video.
• Indian Meteorological Department — Rainfall records and history of monsoon forecasting.
• Australian Bureau of Meteorology — Warning about the possibility of the Indian Ocean Dipole developing.
• World Food Program — Estimate of potential future acute hunger related to El Niño.
• University of Chicago researchers — Estimate concerning possible additional deaths from heatwaves.
• Henry Blanford — Geologist and early head of the Indian Meteorological Department who began monsoon-forecasting efforts.
• Charles Todd — Australian meteorologist whose observations of simultaneous drought in India and Australia prompted further investigation.
• Gilbert Walker — Associated with identifying large-scale pressure variations between the Indian and Pacific oceans and naming the Southern Oscillation.
• Jacob Bjerknes — Associated with linking the Southern Oscillation to the warm waters of the eastern Pacific.