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- Currently — October 3, 2023: Last week was the most unusually warm week in recorded history
Currently — October 3, 2023: Last week was the most unusually warm week in recorded history
Expect more escalating global warmth as El Niño picks up
Eric Holthaus
October 02, 2023
The weather, currently.
New data show that the last week of September was the most anomalously warm week in history. That’s not so surprising given that we’re going into what looks like a very strong El Niño — the tropical Pacific warmth that defines these linked ocean-atmosphere patterns typically starts spreading worldwide during the last four months of the year.
Here’s more, from CarbonBrief:
Global surface temperatures set a new record this week for the highest daily temperature anomalies (departure from the norm) ever observed. They were recorded by a Japanese climate database called the JRA-55 reanalysis product. These were approximately 1C warmer than the 1991-2020 baseline period used by the dataset and around 1.9C warmer than the pre-industrial (1850-1900) temperatures.
As Currently reported last week, these data add to the increasing likelihood that we may already be living in the first 12-month period that’s 1.5°C warmer than pre-industrial levels, and that a few upcoming weeks may top 2°C for the first time ever.
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