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Nov 25, 2022

We aim to provide the most comprehensive open-source temperature data products and climate analysis to track warming trends worldwide. Please consider making an end-of-year donation to support this vital work: berkeleyearth.org/donate Thank you! 🌎🙏 #givingtuesday

Jan 25

#ICYMI, a Twitter win from our Lead Scientist

. 🏆🌍

Quote Tweet

Jan 17

My most popular subtweet ever. twitter.com/RARohde/status…

Jan 18

Our 2022 State of the Climate report is out over at

State of the climate: How the world warmed in 2022 - Carbon Brief

! ⬆️ Record ocean heat content ⬆️ 5th or 6th warmest on surface ⬆️ 2nd warmest with El Nino/La Nina removed ⬆️ Warmest for 28 countries / 850 million people ⬆️ Record high GHGs, sea level

carbonbrief.org

Most of the climate data for the whole of 2022 is now available, and it shows that last year set new records for individual locations as well as globally.

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Dr Doug McNeall

@dougmcneall

Jan 20

Heatwaves kill, in a very obvious way. Strong words here from

@d_spiegel

on the U.K. 2022 heatwave. theguardian.com/uk-news/2023/j

Jan 17

Four different groups predicted where 2022 temperatures would end up back at the start of the year (before any temperature data was in). How well did we do? While the actual 2022 data came in within everyone's error bars,

ended up being closest to what actually happened

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Jan 16

If it is not literally the warmest year ever, someone will complain that global warming has stopped. Year-to-year fluctuations are a normal part of the ongoing global warming trend. Don't be distracted by the noise.

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Jan 14

A few year back we were joking that climate skeptics would soon be saying “no warming since 2016”. Now they actually are. In reality, short term variability can make you over interpret pauses or accelerations in what’s a pretty clear trend: carbonbrief.org/factcheck-no-g

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Jan 13

172 years of global warming shown 90 seconds. Adding carbon dioxide and other greenhouse gases to the atmosphere by using fossil fuels is transforming the Earth.

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Zack Labe

@ZLabe

Jan 12

And read all of the 2022 #climatechange reports at: +

@NOAA

: noaa.gov/news/2022-was- +

@NASA

: nasa.gov/press-release/ +

: climate.copernicus.eu/2022-saw-recor

: berkeleyearth.org/global-tempera +

@MetOffice_Sci

: metoffice.gov.uk/about-us/press +

@CopernicusEU

Multiple agencies concur: ’22 was one of Earth’s hottest years

Capital Weather Gang

@capitalweather

Jan 12

BREAKING: 2022 ranked as either the 5th or 6th warmest year on record according to

and

-- supercharging weather extremes around the world. In-depth story by

@AmudalatAjasa

w/ graphics by

@NaemaAhmed

washingtonpost.com

Ranking as the fifth- or sixth-warmest year on record, the world experienced unrelenting waves of extreme weather.

For much more information of the state of global climate in 2022, please see our annual report: berkeleyearth.org/global-tempera 9/9

berkeleyearth.org

Global Temperature Report for 2022 - Berkeley Earth

2022 was nominally the fifth warmest year on Earth since 1850. Slightly warmer than 2021, but likely still cooled by the ongoing La Niña.

Based on the recent rate of warming, the Earth would reach the 1.5 °C (2.7 °F) warming threshold around 2034, and 2.0 °C (3.6 °F) around 2060. To avoid this outcome, and meet Paris Agreement goals, it would be necessary to rapidly reduce greenhouse gas emissions. 8/

Beginning with the ongoing La Niña, we expect that 2023 will be similar to or slightly warmer than 2022, but with considerable uncertainty depending on how the La Niña/El Niño situation evolves. 2023 will almost certainly be another top 10 warmest year. 7/

Forecasts now suggest that El Niño may return in mid-to-late 2023. If that occurs, it greatly increases the odds that 2024 may become the next record warm year. 6/

The current La Niña began in 2020 and continues in 2023. This makes it relatively long-lived, though not exceptionally so. This has contributed to somewhat lower global temperatures in the last few years. 5/

In addition to pronounced warmth over Asia & Europe, the most prominent feature of 2022 was the cool La Niña in the Eastern Equatorial Pacific. La Niña, the cool counterpart of El Niño, is a form of internal ocean variability that somewhat reduces global temperatures. 4/

In our estimation, new annual national-average records were set in 28 countries, including France, Italy, Germany, Spain, UK, China, New Zealand, Switzerland, and others. Chart of national average temperature anomalies in 2022, with new records shown by black circles. 3/

Though not a record year for the global average, 8.5% of the Earth's surface experienced their warmest annual average on record during 2022. Approximately 850 million people live in areas that had their locally warmest year on record, including most of Western Europe. 2/

Berkeley Earth's Temperature Report for 2022 is out! It was in our estimation the 5th warmest year, at 1.24 °C (2.24 °F) warmer the 1850-1900 baseline. It was a bit warmer than 2021, bit still cooled by the ongoing La Niña. berkeleyearth.org/global-tempera

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We have been distributing embargoed copies of our annual temperature report to journalists. If you are a journalist and would like an embargoed copy, feel free to provide an email address here or in DM.

Jan 10

"20XX was one of the 10 warmest years on record" A press release that one can likely reuse nearly every year during the rest of my career, maybe even the rest of the century.

Scott Duncan

@ScottDuncanWX

Jan 1

We just observed the warmest January day on record for many countries in Europe. Truly unprecedented in modern records.

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Jan 2

Extremely unseasonable warmth in Europe is likely a symptom of global warming. Though if there is a silver lining, the reduced heating demand will help those dealing with high energy prices due to supply disruptions & the war in Ukraine. Glass half full... until it shatters?

November 2022 Temperature Update - Berkeley Earth

Dec 28, 2022

For more information on temperatures during November 2022, please see Berkeley Earth's monthly temperature report. Also, look forward to our annual review in mid-January.

berkeleyearth.org

November 2022 was the 11th warmest November since record-keeping began in 1850, and the 18th warmest on land. 2022 is likely to be the 5th warmest year.

With 11 months completed, 2022 is on track to be the 5th warmest year overall. This is significantly cooler than the record warmth in 2016, but still warmer than 2021.

The ongoing cooling effect of La Niña has played a role in keeping 2022 cooler than other recent record years. Year-to-date the most significant features of 2022's temperature patterns are warmth over Europe and Asia, and a La Niña associated cooling in the equatorial Pacific.

Though November 2022 was unusually cool compared to other months this year, every month in 2022 has still been at least 1.1 °C (2.0 °F) warmer than the preindustrial average. Making the year-to-date average the 5th warmest on record.

In November 2022, 5.4% of the Earth's surface was measured to have a local record warm November, including southern South America, eastern Asia, and parts of the Middle East. In addition, an unusually large 0.6% of the Earth's surface set a record low monthly average.

As with other recent months, most of the Earth's surface had above normal temperatures in November. However, the global average was brought down by significant regional cooling, including in western North America, Australia, and Antarctica.

November 2022 was sharply cooler than October, with the global average falling more than 0.2 °C (0.4 °F), and producing the coldest month since February 2021. This shift was mostly due to sharply falling temperatures in selected land areas.

November 2022 Temperature Update 11th Warmest November since 1850 Sharply cooler than October, mostly due to cooling on land (e.g. Antarctica, Australia, and western North America) 2022 is on track to be the 5th warmest year overall berkeleyearth.org/november-2022-

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Catch up on all the latest news from Berkeley Earth: ow.ly/P9xA50M9SaQ

Dec 27, 2022

While average global warming targets can be useful, we have long been aware that no one actually lives at the global average. This is why our Lead Scientist

used AI to create a higher-res data set that better communicates the facts. ow.ly/QsJf50M9UZ7

Mike Hudema

@MikeHudema

Dec 23, 2022

Reminder: A #BombCyclone occurs when excess heat from other areas of the planet pushes on the artic cap forcing that cold air to be displaced somewhere else. Unmitigated global warming will make them more likely and intense. #ActOnClimate #climate

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From

David I Birch

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Dec 18, 2022

Since the mid-1800s we can effectively reconstruct global temperatures from weather stations and ocean measurements. Before then, we have to rely on climate "proxy" measurements. Over at

we've put together an interactive climate proxy map: interactive.carbonbrief.org/how-proxy-data

From

Carbon Brief

Dec 20, 2022

State of the climate: 2022 to date is fourth warmest year on record |

Read: bit.ly/3Wg7z6O

Annual global mean surface temperatures from NASA GISTEMP, NOAA GlobalTemp, Hadley/UEA HadCRUT5, Berkeley Earth and Copernicus/ECMWF (lines), along with 2022 temperatures to date (January-September, coloured dots). Anomalies plotted with respect to a 1981-2010 baseline. Chart by Carbon Brief using Highcharts.

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Edgar McGregor

@edgarrmcgregor

Dec 21, 2022

A weather station in Wyoming has recorded a 20°F temperature drop in 2 minutes from 10:32 to 10:34 AM this morning. Link: weather.gov/wrh/timeseries A powerful surge of Arctic air is now overtaking the central U.S. #wywx

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Carbon Brief

Dec 21, 2022

NEW – Argentina’s record-breaking 2022 heatwave made ‘60 times more likely’ by climate change |

w/ comment from

Dr Juan Rivera

Read here: buff.ly/3Wj2cUg

Average daily maximum temperature over 4-10 December 2022, using the ERA5 temperature dataset of T2m (temperature two metres above ground level). Purple indicates colder temperatures, and yellow indicates warmer temperatures. The black outline indicates the study region. Blue dots indicate Cordoba (4), Rosario (5) and Buenos Aires (6). The Crosses indicate the seven weather stations analysed in this study. Source: WWA (2022).

read image description

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Dec 19, 2022

A major outbreak of Arctic air is forecast for the USA in time for Christmas. The red/blue colors on the map show how far above or below normal temperatures are expected to be (in °F). Temperatures more than 30 °F below normal will be widespread, with some areas much colder.

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