Why a sudden surge of broken heat records is scaring scientists
https://www.washingtonpost.com/weather/2023/07/06/earth-record-heat-climate-extremes/
Excerpt: New precedents have been set in recent weeks and months, surprising some scientists with their swift evolution: historically warm oceans, with North Atlantic temperatures already nearing their typical annual peak; unparalleled low sea ice levels around Antarctica, ...and the planet experiencing its warmest June ever charted, according to new data. And then, on Monday, came Earth’s hottest day in at least 125,000 years. Tuesday was hotter. “We have never seen anything like this before,” said Carlo Buontempo, director of Europe’s Copernicus Climate Change Service. He said any number of charts and graphs on Earth’s climate are showing, quite literally, that “we are in uncharted territory.” ...Ocean heat is to be expected during El Niño — it is marked by unusually warm sea surface temperatures along the equatorial Pacific. But shocking warmth has developed far beyond that zone, including in the North Pacific, around New Zealand and across most of the Atlantic....
See also New York Times Heat Records Are Broken Around the Globe as Earth Warms, Fast.