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Did global warming stop in 1998? [1]

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Date: 2024-05-13 20:30:11+00:00

Wisconsin Watch partners with Gigafact to produce fact briefs — bite-sized fact checks of trending claims. Read our methodology to learn how we check claims.

No.

While 1998 was an abnormally warm year, annual average temperatures have trended steadily upward in the decades since.

As a strong El Nino year, 1998 featured a significant spike in global temperatures. El Nino is the warm phase of a cyclic climatic pattern where sea temperatures in parts of the Pacific swing higher or lower than average. The 1998 El Nino stood out above the rising temperature trend line that is due to manmade global warming.

However, the long-term upward trend in globally averaged temperatures has continued. In the past quarter century, the top 10 hottest years on record have all occurred since 2010.

See a full discussion of this at Skeptical Science



This fact brief is responsive to conversations such as this one.

Sources

ReliefWeb: El Niño – 1998 Global Surface Temperature: Highest by a Wide Margin

Royal Meterological Society: Coverage bias in the HadCRUT4 temperature series and its impact on recent temperature trends

NASA: Global Temperature

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[1] Url: https://wisconsinwatch.org/2024/05/global-warming-climate-temperatures-skeptical-science-fact-brief/

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