Super El Niño Broke Ocean Temperature Records
A record-shattering sea surface temperature anomaly has been recorded in the Pacific Ocean.
Updated on Sept. 25, 2026 in Severe Weather
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A super El Niño event has eclipsed the previous daily surface temperature record set in 2015. On September 21, 2026, sea surface temperatures reached 3.08 C above average.
Why it matters
The event reflects dynamic feedback between the ocean and atmosphere that could lead to a new global temperature record in 2027. Researchers also estimate that extreme heat between June 2026 and February 2027 resulted in nearly half a million deaths.
As of September 21, 2026, the Pacific sea surface temperature anomaly hit 3.08 C. This significantly exceeds the 2 C threshold required for a very strong El Niño classification.
The details
The current anomaly is driven by weakening easterly trade winds that allow warm surface water to spread across the tropical Pacific. This creates a positive feedback loop near South America, contributing to August 2026 being the hottest month in recorded history.
Timeline
The previous daily surface temperature record was set in 2015.
The mortality study period began in June 2026.
August 2026 was the hottest month in recorded history.
The sea surface temperature reached 3.08 C above average on September 21, 2026.
The year 2027 is projected to be the warmest on record.
Seasonal Patterns
This record-breaking anomaly surpasses the benchmark set by the 2015 sea surface temperature record. It signals a shift in the frequency and intensity of El Niño events, likely exacerbated by ongoing global climate change.
Residents in regions like Central Canada and Ontario should prepare for an increased likelihood of extreme weather, including ice storms and flooding. Stay updated with official meteorological alerts to ensure readiness for sudden shifts in local weather conditions.
The takeaway
The increased frequency of super El Niño events suggests a long-term shift in global atmospheric and oceanic behavior. Staying informed about long-range weather projections can help communities better adapt to the resulting climate volatility.
Further reading
Learn more about evolving climate patterns and extreme weather by visiting Severe Weather.
Source note: This article includes information reported by The Queen's Journal.
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