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heatwave
Alarming Heat Streak Continues as February Shatters Temperature Record
"As remarkable as this might appear, it is not really surprising as the continuous warming of the climate system inevitably leads to new temperature extremes," said the head of the E.U. climate service.
Mar 07, 2024
Last month was the warmest February on record, the European Union’s climate service said Wednesday, marking the ninth consecutive month of unprecedented heat as the climate crisis continues to drive up global temperatures.
Climate scientists say the climate crisis, without a doubt, is to blame for increased temperatures.
Not only was it warm above sea level—global ocean temperatures also reached a record high last month. That's not just for February but for any month on record.
"Ocean warming has prompted concerns about the mass bleaching of coral reefs. It also raises global sea levels and can help to fuel higher intensity hurricanes," the BBC reports. "Unusually warm waters may also have been a factor in another exceptional month for Antarctic sea ice. The three lowest minimum extents in the satellite era have now occurred in the last three years."
The #C3S's monthly climate bulletin is out now:
📈 February 2024 was globally the warmest on record;
📈 Global Sea Surface Temperatures hit record highs.
▶️https://t.co/XEmBnArhh6 pic.twitter.com/uUubVY9c05
— Copernicus ECMWF (@CopernicusECMWF) March 7, 2024
Arctic sea ice is also disappearing, and the Arctic could be virtually ice-free during the summer within a decade.
"February joins the long streak of records of the last few months," said Carlo Buentempo, director of the Copernicus Climate Change Service. "As remarkable as this might appear, it is not really surprising as the continuous warming of the climate system inevitably leads to new temperature extremes."
“The climate responds to the actual concentrations of greenhouse gases in the atmosphere so, unless we manage to stabilize those, we will inevitably face new global temperature records and their consequences,” Buentempo added.
The last year has been over 1.5°C above pre-industrial averages—1.56°C, to be exact—but that won't signify a breach of the goals set in the Paris Agreement unless temperatures remain elevated for the next few years.
"A year ago, the fact that the global temperature for a particular month would reach 1.5°C above the pre-industrial level would have been considered exceptional," Julien Nicolas, a senior scientist at Copernicus, told The New York Times.
The world will have to get off of fossil fuels in order to halt runaway warming, and this year could help determine the future of the climate, considering one of the people running to lead the nation appears destined to unleash billions of tons of additional planet-warming emissions should he return to office.
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'Climate Breakdown Has Begun': Summer of 2023 Was Hottest Ever Recorded
"Breaking heat records has become the norm in 2023," said one scientist. "Global warming continues because we have not stopped burning fossil fuels. It is that simple."
Sep 06, 2023
Climate scientists across the world have been alarmed over the past three months by fast-spreading wildfires, prolonged and deadly heatwaves, and numerous shattered heat records across the northern hemisphere both in the oceans and on land—and data released Tuesday confirmed that the past three months have been the hottest summer on record, driven by humans' continued emission of heat-trapping gases and compounded by El Niño.
The Copernicus Climate Change Service (C3S), the European Union's climate agency, found that the global average temperature during June, July, and August reached 16.77°C (62.18°F), which was 0.66°C or 1.18°F above the 1991-2020 average.
The previous temperature record was set in 2019 and was 0.29°C (0.5°F) lower than this year's high.
Last month was the hottest August on record "by a large margin," said the World Meteorological Organization, with the average temperature 1.5°C higher than the preindustrial average.
United Nations Secretary-General António Guterres said Wednesday the world is experiencing the consequences of "our fossil fuel addiction," which "scientists have long warned" would be unleashed if humans continue extracting oil and gas instead of rapidly shifting to renewable energy sources.
"Our planet has just endured a season of simmering—the hottest summer on record. Climate breakdown has begun," said Guterres.
"In the southern hemisphere Antarctic sea ice extent was literally off the charts, and the global sea surface temperature was once again at a new record. It is worth noting that this is happening BEFORE we see the full warming impact of the El Niño event."
C3S released the data as the Eastern United States experienced a "dangerous heatwave," with cities including New York and Washington, D.C. announcing heat advisories.
As the World Weather Attribution (WWA) said earlier this summer, the extreme heat felt across North America and Europe in July—the hottest month ever on record, followed by August—would have been "virtually impossible" without planetary heating and the climate crisis.
Scientists at the WWA also found that the hot, dry conditions that allowed wildfires to spread rapidly in Eastern Canada were made twice as likely by the climate emergency, and independent scientists at Climate Central determined that the current heat forecast in the United Kingdom—with temperatures over 33°C or 91°F expected in London on Saturday—was made five times more likely.
Friederike Otto, a senior lecturer on climate change and the environment at Imperial College London, told The Guardian that "breaking heat records has become the norm in 2023."
" Global warming continues because we have not stopped burning fossil fuels," said Otto. "It is that simple."
Scientists last observed a powerful El Niño warming event, which is marked by very high temperatures in the Pacific Ocean near the equator, in 2016, which currently holds the record for the hottest January-August period, followed by this year.
El Niño is still developing this year, and experts have warned that next summer could see even more intense heatwaves and wildfires as the effects of the warming phenomenon are typically observed the year after it develops.
"The northern hemisphere just had a summer of extremes—with repeated heatwaves fueling devastating wildfires, harming health, disrupting daily lives, and wreaking a lasting toll on the environment," said Petteri Taalas, secretary-general of the WMO. "In the southern hemisphere Antarctic sea ice extent was literally off the charts, and the global sea surface temperature was once again at a new record. It is worth noting that this is happening BEFORE we see the full warming impact of the El Niño event."
Mark Maslin, professor of earth system science at University College London, told The Guardian that the news from C3S "is a wake-up call to international leaders that we must rapidly reduce carbon emissions now."
"Let us hope this message hits home at COP28... this December and action actually happens," Maslin said.
Advocates have raised alarm about the appointment of Sultan Ahmed Al Jaber, CEO of the United Arab Emirates' Abu Dhabi National Oil Company, to lead the United Nations Climate Change Conference, also known as COP28, later this year.
"Surging temperatures demand a surge in action," said Guterres. "Leaders must turn up the heat now for climate solutions. We can still avoid the worst of climate chaos—and we don't have a moment to lose."
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'Could Be a World Record': South Florida Ocean Temperature Hits 101.1°F
"I have no doubt a dip in Manatee Bay today would have been a hot tub-like experience," said one meteorologist earlier this week.
Jul 26, 2023
A buoy positioned roughly 40 miles south of Miami recorded a sea surface temperature of 101.1°F earlier this week, stunning scientists who say the reading could mark the latest in a string of global records as fossil fuel-driven extreme weather around the world brings unprecedented heat.
Meteorologist Jeff Masters wrote that the temperature in Florida's Manatee Bay reached hot tub levels on Monday and "could be a world record."
"I have no doubt a dip in Manatee Bay today would have been a hot tub-like experience, with [sea surface temperatures] near 100°F, and that these waters were some of the hottest ever recorded on Earth," Masters added. "A detailed investigation would be needed to determine if this was a world record SST, though."
A 2020 study suggested that the highest sea surface temperature ever recorded was 99.7°F in Kuwait Bay.
The Manatee Bay reading was "among several extreme values in South Florida's offshore waters," The Washington Post reported Tuesday.
"To the southwest, a buoy near Johnson Key topped out at 98.4 degrees. The temperature hovered at or above 98 degrees for several hours during the evening," the Post noted. "A majority of buoys in the area reached or surpassed 95 degrees during the day. In fact, the average of the two dozen observation locations in and around Florida Bay was right around 96 degrees during the early evening."
Last year was the hottest on record for Earth's oceans, and 2023 is shaping up to be the fifth consecutive year in which global ocean temperatures reach new highs. According to the Copernicus Climate Change Service (C3S), "Global average sea surface temperatures last month reached unprecedented levels for June."
"The North Atlantic Ocean recorded exceptionally warm sea surface temperatures, with several extreme marine heatwaves," C3S added. "These were related to short-term changes in atmospheric circulation and longer-term changes in the ocean."
The National Oceanic and Atmospheric Administration (NOAA) observed earlier this month that it has "tracked a steady climb in ocean temperatures since April 2023, which is causing unprecedented heat stress conditions in the Caribbean Basin, including waters surrounding Florida and in the Gulf of Mexico." Oceans absorb 90% of excess heat associated with planetary heating, according to NOAA.
"Developing tropical storms that pass into the region may strengthen as a result of these conditions," NOAA stressed. "The ongoing marine heat wave in South Florida could impact sensitive marine ecosystems in the region, such as shallow water corals."
The Coral Restoration Foundation said this past weekend that it found "100% coral mortality" at Sombrero Reef, a restoration site in the Florida Keys.
"Climate change is our present reality," said R. Scott Winters, the foundation's CEO. "The impact on our reefs is undeniable. This crisis must serve as a wake-up call, emphasizing the need for globally concerted efforts to combat climate change."
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