Choose your climate future.
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Ed Hawkins
@ed_hawkins
Climate scientist, NCAS/University of Reading | MBE | Warming Stripes: ShowYourStripes.info | Views own Mastadon: fediscience.org/@ed_hawkins
Ed Hawkins’s Tweets
take a moment to notice nature
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Great discussion with Vice Chancellor about the university’s #climate science and research work
Displaying the world-famous climate temperature warming stripes visualisation produced by Reading Uni’s Prof
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Changes are emerging across the climate system. Everywhere we look, the climate is changing rapidly.
Rate of recent changes is unprecedented in at least 2000 years for many climate metrics.
These changes are not natural; they are primarily caused by the burning of fossil fuels.
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Another fab birthday surprise - a Warming Stripes shirt hand-made by my wonderful clever daughter
#ShowYourStripes
#Climate
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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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Mapping changes in temperature: every year from 1850 to 2022
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From a few years ago but still seems rather relevant today.
Note that our best estimate now is that humans have caused all of the observed warming.
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Answers to FAQs:
1) Yes, the sun's output varies slightly
2) Yes, the climate has changed before
3) Yes, we've considered that
4) Physics
5) No, we're not getting rich from this
The answer is still: humans are responsible for nearly all of the warming over the past 150 years
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For those who want to highlight why global temperatures have increased so rapidly since the start of the industrial revolution...
(Of course, we also understand the physics of why increasing carbon dioxide levels in the atmosphere would cause global temperatures to rise.)
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And, a thread of other versions of this visualisation which may help those who are struggling to comprehend that humans are heating the planet at an unprecedented rate.
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The Warming Stripes are a popular visual way of highlighting the observed rise in global temperatures since 1850. #ShowYourStripes
But, the concept can also be used in different ways for different purposes... a thread
twitter.com/ed_hawkins/sta…
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For those who want to highlight why global temperatures have increased so rapidly since the start of the industrial revolution...
(Of course, we also understand the physics of why increasing carbon dioxide levels in the atmosphere would cause global temperatures to rise.)
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For those who want to look at the recent rapid rise of global temperatures in the context of the last 2000 years...
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For those who want a longer timescale...
(This version uses the proxy-based global temperature data for years 1-2000 and the observations for 2001-2022.)
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For those who want numbers and a timeline to go along with the stripes...
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The Warming Stripes are a popular visual way of highlighting the observed rise in global temperatures since 1850. #ShowYourStripes
But, the concept can also be used in different ways for different purposes... a thread🧵
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NEW: In today, our latest peer-reviewed research shows Exxon scientists predicted global warming with shocking skill & accuracy between 1977 & 2003, contradicting the company's decades of climate denial. THREAD.
📰No pay wall for 2 weeks: bit.ly/ExxonKnew2poin
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So. Much. Climate. Denial.
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Update here!
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"This should be a cause for alarm, but not alarmism. If you think how hot 2022 was, and then realise that those 12 months will likely be one of the coolest years of the rest of our lives, I think we will regret not having acted sooner on these warnings."
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"This should be a cause for alarm, but not alarmism. If you think how hot 2022 was, and then realise that those 12 months will likely be one of the coolest years of the rest of our lives, I think we will regret not having acted sooner on these warnings."
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"The latest stripe added is the second-darkest red, but is very close to being in the darkest red category. This is remarkable, given that La Nina has helped to hold temperatures down. When we see a return of a warming phase of El Nino, the darkest red stripes will return."
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"The data from 2022 is stark, however you look at it. Whether you view the raw figures, or look at the data as another red line added to the climate stripes, the message is clear. Excess heat is building up across the planet at a rate unprecedented in the history of humanity."
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Six global surface temperature datasets. Three of them have 2022 as the 5th warmest year on record. The other three have it as 6th warmest. All of them agree that the past eight years 2015 to 2022 were the eight warmest years on record.
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Later this afternoon the global temperature summaries for 2022 will be released by Met Office, NOAA, NASA and Berkeley Earth.
This means a new climate stripe will be added. But what colour will 2022 be?
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New Zealand's top-4 warmest years on record have all occurred since 2016, a trend that is consistent with climate change.
On this climate stripes plot, inspired by , warmer than average years are coloured red (🔴) & cooler than average years are coloured blue (🔵).
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2022 was the 2nd warmest year on record in Europe. Globally, it was the 5th warmest year on record & the global annual average temperature was 0.3°C above 1991-2020 ref period and 1.2 degrees above preindustrial.
More details here ➡️ bit.ly/3QqUS6U
#CopernicusClimate
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We have found a surprising number of locations with barometer measurements of pressure during January 1839. This should allow us to build a reanalysis for the event to inform about the risks of such events today.
But, are there any sources we have not yet found? #Archives
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184 years ago today an extreme windstorm hit Ireland & the UK, known as the 'Night of the Big Wind'. This event was one of the most severe & damaging windstorms to ever hit these islands.
We now need some help to learn from this event, especially from archivists... #Archives
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Ireland had its warmest year on record in 2022. The mean temperature is provisionally 10.83°C which is 1.28°C above the 1961-1990 LTA and 0.06°C warmer than 2007, the previous warmest year. More details in the Annual Climate Statement for 2022 here - met.ie/annual-climate
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The UK and each of its constituent nations experienced their warmest year on record in 2022. #ShowYourStripes
(Using the datasets starting in 1884.)
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Here in the UK it is getting warmer, wetter and sunnier. This #dataviz shows mean temperature, total rainfall and total sunshine.
Each dot and stripe is shows a rolling monthly 12 month average (e.g. July 2012 to June 2013)
#globalwarming #climatechange
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This #dataviz shows the UK's warmest year on record. It has been relentlessly mild (or hot) all year apart from a 2 week cold spell at the beginning of December (which made it the only cold month). Overall the mean temperature exceeded 10°C for the first time ever!
#globalwarming
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The Warming Stripes of are now available for Germany with the temperatures of 2022.
writes: "The 2018 temperature record of 10.5 degrees Celsius has at least been set."
energy-charts.info/charts/climate
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We just observed the warmest January day on record for many countries in Europe.
Truly unprecedented in modern records.
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Citizen scientists rescued millions of historical monthly rainfall observations taken in the UK and Ireland
Access the 2022 highest-downloaded Geoscience Data Journal paper here: rmets.onlinelibrary.wiley.com/doi/10.1002/gd
#RMetSJournals #OpenAccess
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Excellent use of the biodiversity stripes, looking forward to seeing how they appear in 2023 biodiversitystripes.info
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After 9 years as WWF Director General, today I shift to WWF’s Special Envoy role & pass the baton to my dear colleague Kirsten Schuijt as new WWF DG
Welcome Kirsten!
A new stage in my life while I am thinking of what next, always committed to the future of #nature & people
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2022 will be the UK’s warmest year on record according to provisional Met Office figures.
The ten warmest years on record have all occurred since 2003.
Learn more about 2022's weather and climate in our news release👇
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Hidden in past atmospheric electricity measurements are untapped imprints of global #climate variations - our new paper on recovering them (with colleagues Keri Nicoll, , and Manoj Joshi) is out today: iopscience.iop.org/article/10.108
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