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Tim Andrews

@tim-andrews.bsky.social
329 followers 143 following 70 posts

Research Scientist | Met Office Hadley Centre Associate Professor | University of Leeds Climate and Atmospheric Science timothyandrews.github.io

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Tim Andrews @tim-andrews.bsky.social · 02/07/2026
Delighted to have taken on leadership of the Climate Sensitivity & Feedbacks team at the Met Office Hadley Centre. It's a privilege to follow Mark Ringer, under whose leadership the team became internationally recognised. The group also has a remarkable scientific lineage, worth a thread... 🧵
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Tim Andrews @tim-andrews.bsky.social · 15/06/2026
I’m hiring a Research Fellow at the University of Leeds to work on understanding Earth’s increasing energy imbalance. Details and how to apply below. It's short term (6 months full-time, or longer part time) but a really important topic. Closes 26 June 2026. jobs.leeds.ac.uk/vacancy.aspx...
jobs.leeds.ac.uk
Job Opportunity at University of Leeds: Research Fellow in Understanding Earth’s Energy Imbalance
Are you an ambitious researcher looking for your next challenge? Do you have an established background in atmospheric or climate science with an interest in physical climate change and the Earth’s ene...
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Tim Andrews @tim-andrews.bsky.social · 10/06/2026
The Radiative Forcing Model Intercomparison Project (RFMIP2.0) for CMIP7 protocol paper is now published: gmd.copernicus.org/articles/19/...
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Vince Cooper @vtcoop.bsky.social · 30/01/2026
Check out the @pnas.org highlight for our new paper on how Paleoclimate Pattern Effects in the Pliocene lead to tighter constraints on the modern response to CO2 (a.k.a. climate sensitivity)
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Tim Andrews @tim-andrews.bsky.social · 29/01/2026
CFMIP protocol pre-print now out for discussion egusphere.copernicus.org/preprints/20...
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Jessica Tierney @leafwax.bsky.social · 23/01/2026
Really excited to see this paper out!! Led by @vtcoop.bsky.social we show that if you use cold and warm paleoclimates together, you can reduce uncertainty in Earth's climate sensitivity by quantifying the pattern effect and more precisely constrain future climate change www.pnas.org/doi/10.1073/...
pnas.org
Paleoclimate pattern effects help constrain climate sensitivity and 21st-century warming | PNAS
Paleoclimates provide examples of past climate change that inform estimates of modern warming from greenhouse-gas emissions, known as Earth’s clima...
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Met Office - weather and climate @metoffice.gov.uk · 27/10/2025
How are we equipping people for the current and future climate? Our Chief Executive @pennyend.bsky.social has spoken to @carbonbrief.org about climate science, tackling misinformation and AI. Read and watch ⤵️ www.carbonbrief.org/the-carbon-b...
carbonbrief.org
The Carbon Brief Interview: UK Met Office chief executive Penny Endersby  - Carbon Brief
Prof Penny Endersby has been chief executive of the UK Met Office since December 2018.
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Gavin Schmidt @climateofgavin.bsky.social · 23/09/2025
What's that? Climate predictions, you say? Okay! www.realclimate.org/index.php/cl...
Climate predictions made 20 years ago compared to the world that actually happened.
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John Marsham @johnmarsham.bsky.social · 21/08/2025
Fantastic to welcome Dr Ben Booth to @universityofleeds.bsky.social School of Computer Science: the 5th of 5 new Met Office Academic Partnership joint positions. ML is transforming science. Ben's appointment will better link atmos & computer science & deliver impact eps.leeds.ac.uk/news/article...
eps.leeds.ac.uk
Dr Ben Booth appointed to Met Office Academic Partnership post
The School of Computer Science is delighted to welcome Dr Ben Booth as part of the prestigious Met Office Academic Partnership (MOAP) at Leeds.
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Tim Andrews @tim-andrews.bsky.social · 12/08/2025
Abstract deadline is tomorrow (13th Aug) for the CMIP Community Workshop in Japan March 2026. cmip2026.org/programme/ab... Submissions for in person or virtual presentation welcome. Picked up out some fun sessions below 👇
cmip2026.org
About - CMIP Community Workshop 2026
The CMIP Community Workshop 2026 will bring together a growing, and increasingly diverse, community of Earth system scientists, partners, and stakeholders. It will be an opportunity to discuss the lat...
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Tim Andrews @tim-andrews.bsky.social · 29/05/2025
Some sessions that ought to be fun & interesting: 🔷 ID4 RFMIP: Exploring radiative Forcing in models and observations to understand climate change 🔷 ID5 CERESMIP: Confronting models with observed changes in the Earth’s energy imbalance 🔷 ID15 CFMIP: Clouds, circulation and climate sensitivity
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Tim Andrews @tim-andrews.bsky.social · 04/08/2025
Anfield ✊🔴 #LFC
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Tim Andrews @tim-andrews.bsky.social · 03/08/2025
Quick trip home to the #LakeDistrict 👌🏼
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Tim Andrews @tim-andrews.bsky.social · 31/07/2025
Got a call to visit the work post room as there was a parcel for me… (first time in 10+years!) It was a book, sent to contributing authors I presume, of papers that came out of an ISSI workshop in 2022. It’s easy to forget that journals often still have physical copies… a joy to flick through.
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Chris Smith @cjsmith.eu · 04/07/2025
We (@tim-andrews.bsky.social, Ryan Kramer and I) are leading a session around understanding radiative forcing in models at the CMIP Community Workshop in Kyoto, Japan, next March. Abstract submissions open until 13 August: wcrp-cmip.org/event/cmip20... Session ID #4
wcrp-cmip.org
CMIP Community Workshop 2026 - Coupled Model Intercomparison Project
The CMIP Community Workshop 2026 will bring together a growing, and increasingly diverse, community of Earth system scientists, partners, and stakeholders. It
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Tim Andrews @tim-andrews.bsky.social · 04/07/2025
“… oh, his name is Diogo..” 💔 youtu.be/XQ5TA0F-dZc?...
youtu.be
Our lad from Portugal. Forever | Diogo Jota
YouTube video by Liverpool FC
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Tim Andrews @tim-andrews.bsky.social · 26/06/2025
Fantastic to have spent two days at Leeds discussing physical climate science with new and old colleagues. Looking forward to the opportunities ahead @earthandenvleeds.bsky.social. And it’s great to be back where it all began 20 odd years ago as a student, but now on the other side of the fence…
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Andy Shepherd @andyshepherd.bsky.social · 13/06/2025
The @metoffice.gov.uk Hadley Centre is a powerhouse of climate science. If you'd like to help guide their program of work, please consider joining their Science Review and Advisory Group. There has never been a more important time to stand up for science ! 🧪🌍🌡️ www.metoffice.gov.uk/research/app...
metoffice.gov.uk
Met Office Hadley Centre Climate Programme: Science Review and Advisory Group Members
This advertisement is for the recruitment of up to four new members of the Met Office Hadley Centre Climate Programme Science Advisory and Review Group. It is posted on behalf of The UK Department for...
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Gunnar Myhre @gunnarmy.bsky.social · 12/06/2025
Happy to share our paper in ‪@science.org‬ 'Observed trend in Earth energy imbalance may provide a constraint for low climate sensitivity models' | Science www.science.org/doi/10.1126/...
science.org
Observed trend in Earth energy imbalance may provide a constraint for low climate sensitivity models
Climate forcings by greenhouse gases and aerosols cause an imbalance at the top of the atmosphere between the net incoming solar radiation and outgoing longwave radiation from Earth. This Earth energy...
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Tim Andrews @tim-andrews.bsky.social · 11/06/2025
Looks a good read: The Sea Surface Temperature Pattern Effect on Outgoing Longwave Radiation: The Role of Large-Scale Convective Aggregation agupubs.onlinelibrary.wiley.com/doi/full/10....
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Tim Andrews @tim-andrews.bsky.social · 29/05/2025
Some sessions that ought to be fun & interesting: 🔷 ID4 RFMIP: Exploring radiative Forcing in models and observations to understand climate change 🔷 ID5 CERESMIP: Confronting models with observed changes in the Earth’s energy imbalance 🔷 ID15 CFMIP: Clouds, circulation and climate sensitivity
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CMIP ─ Coupled Model Intercomparison Project @wcrp-cmip.org · 27/05/2025
The CMIP Community Workshop 2026 will be held in Kyoto, Japan from 9-13th March 2026. The call for abstracts for CMIP26 is now open! Find out more at wcrp-cmip.org/cmip26-call-...
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CMIP ─ Coupled Model Intercomparison Project @wcrp-cmip.org · 29/05/2025
The CMIP Community Workshop 2026 will be held in Kyoto, Japan from 9-13th March 2026. The call for side sessions for CMIP26 is now open! Find out more at wcrp-cmip.org/cmip26-side-...
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Met Office - weather and climate @metoffice.gov.uk · 28/05/2025
The Global Annual to Decadal Climate Update published today by Met Office and the WMO shows that global average temperature exceeded 1.5°C above the 1850-1900 average last year for the first time bit.ly/43CHLGJ
bit.ly
Global climate predictions show temperatures expected to remain at or near record levels in coming five years
The latest prediction of global climate [issued today, Wednesday 28 May 2025] suggests the average global temperature is likely to continue to reach record or near-record levels in the coming five yea...
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Richard Allan @rpallanuk.bsky.social · 12/05/2025
The doubling of the rate of global heating in recent decades has surprised the scientific community so needs to be better understood yet our capability to measure Earth's energy imbalance is at risk: doi.org/10.1029/2024...
Time series showing growing Earth energy imbalance (greater heating) this centuryEarth's energy imbalance needs to decline to stabilise global temperatures but it is growing
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Andrew Williams @andrewilwilliams.bsky.social · 28/04/2025
Anyone interested in learning about a first principles, quantitative theory for convective mass flux in a warming world? Read the paper and/or come to my EGU talk on Thursday! :) agupubs.onlinelibrary.wiley.com/doi/full/10....
agupubs.onlinelibrary.wiley.com
A Robust Constraint on the Response of Convective Mass Fluxes to Warming
Convective mass fluxes robustly decrease with warming, at around 3−5 $3-5$%K−1 ${\mathrm{K}}^{-1}$, when viewed in temperature coordinates The weakening in temperature coordinates is explained by...
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Tim Andrews @tim-andrews.bsky.social · 27/04/2025
🔴✊ #LFC #YNWA youtube.com/shorts/zVe7b...
youtube.com
You'll Never Walk Alone ❤️ Liverpool Are Premier League Champions 🏆
YouTube video by Liverpool FC
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Tim Andrews @tim-andrews.bsky.social · 27/04/2025
Anfield awaits 🔴✊ #LFC youtube.com/shorts/87III...
youtube.com
🏟️ This Is Anfield.
YouTube video by Liverpool FC
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Mike Byrne @drmichaelbyrne.bsky.social · 22/04/2025
Hot off the press! New GRL paper from our group, led by Anna Mackie: Circulation and Cloud Responses to Patterned SST Warming @agu.org @uniofstandrews.bsky.social doi.org/10.1029/2024...
doi.org
Circulation and Cloud Responses to Patterned SST Warming
Direct warming of ascent regions leads to their areal contraction while warming in regions of descent has little effect on ascent fraction We develop a metric relating near-surface and free tropo...
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Richard Allan @rpallanuk.bsky.social · 10/04/2025
Growing heating rate of Earth due to rising greenhouse gases & declining aerosol particles combined with a return of subsurface heat following a switch from extended La Niña to El Niño to explain exceptional jump in global temperature up to 2023-2024: doi.org/10.1038/s416...
doi.org
Global and regional drivers for exceptional climate extremes in 2023-2024: beyond the new normal - npj Climate and Atmospheric Science
npj Climate and Atmospheric Science - Global and regional drivers for exceptional climate extremes in 2023-2024: beyond the new normal
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Tim Andrews @tim-andrews.bsky.social · 08/04/2025
Biases in Climate Model Global Warming Trends Related to Deficiencies in Southern Ocean Sea Ice Evolution Over Recent Decades New paper in GRL by Harry Mutton and myself: agupubs.onlinelibrary.wiley.com/doi/10.1029/... Quick thread [1/n] 🧵:
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Tim Andrews @tim-andrews.bsky.social · 08/04/2025
Biases in Climate Model Global Warming Trends Related to Deficiencies in Southern Ocean Sea Ice Evolution Over Recent Decades New paper in GRL by Harry Mutton and myself: agupubs.onlinelibrary.wiley.com/doi/10.1029/... Quick thread [1/n] 🧵:
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World Climate Research Programme (WCRP) @wcrpclimate.bsky.social · 03/04/2025
Call for Session Proposals! 📢 We are happy to announce that the CMIP Community Workshop 2026 will take place in Kyoto, Japan, from 9-13 March 2026! 📅 Session Proposal Deadline: 12:00 UTC, 25 April 2025 🔗 More details below #CMIP #ClimateScience #EarthSystemModeling #ClimateAction #WCRP
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Tim Andrews @tim-andrews.bsky.social · 26/03/2025
I'm on the Scientific Organising Committee. Should be some great science and some early CMIP7 results to discuss. It's community driven - so we need you to put forward session proposals that you would like to convene. Looking forward to seeing folk in Japan. Should be a good one. 👇
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Tim Andrews @tim-andrews.bsky.social · 26/03/2025
🚨 #CMIP Community Workshop 2026 🚨 🌏 Kyoto Japan, 9-13th March 2026 Call for Session Proposals are now open : 📅 Session Proposal Deadline: 12:00 UTC, 25 April 2025 🔗 wcrp-cmip.org/cmip26-sessi... @wcrp-cmip.org
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EUMETSAT @eumetsat.int · 20/03/2025
Today at 10:01 CET the Sun was directly above Earth’s equator, marking the #SpringEquinox! 🌸 At this moment, our planet is neither tilted towards nor away from the Sun, creating nearly equal day/night. 🌓 This stunning image was captured by our Meteosat-12 satellite. 🛰️
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Ed Hawkins @edhawkins.org · 20/03/2025
Happy Equinox! Image: @eumetsat.int
Image of Earth half in sunlight on the Equinox
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World Meteorological Organization @wmo-global.bsky.social · 19/03/2025
🔴The #StateOfClimate report, released today, reveals key climate change indicators again reached record levels in 2024. Check out the full report: wmo.int/publication-...
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Erich Fischer @erichfischer.bsky.social · 13/03/2025
Can climate models reproduce observed trends? The answer can be challenging. Our new review paper in Science Advances led by Isla Simpson and Tiffany Shaw @drshaw.bsky.social discusses challenges and ways forward in confronting climate models and observations. www.science.org/doi/10.1126/...
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Florent Brient @florentbrient.bsky.social · 13/03/2025
The 2025 CFMIP-CloudSense Meeting on Circulation, Clouds, and Climate will be held July 7-10 at the University of Exeter, Exeter, UK The conference will focus on Cloud processes, Microphysics, Dynamics, Feedback, Energy Imbalance & Convection Abstract deadline 4 April www.gewex.org/event/2025-c...
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Richard Allan @rpallanuk.bsky.social · 11/03/2025
Our planet is becoming dimmer, in so many ways… our new @nceoscience.bsky.social @uor-research.bsky.social study teases out a signal of less shiny ocean clouds & how they combined with greenhouse gas heating to fast track #climate warming up to the balmy 2023/24 El Niño: doi.org/10.1088/1748...
Figure 1 of Allan & Merchant (2025) ERLFigure 2 of Allan & Merchant (2025) ERLFigure 3 of Allan & Merchant (2025) ERLTable 1 of Allan & Merchant (2025) ERL
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Tim Andrews @tim-andrews.bsky.social · 10/03/2025
And a big thank you to @johnmarsham.bsky.social for doing all the hard work that made these positions possible
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Tim Andrews @tim-andrews.bsky.social · 10/03/2025
Delighted to announce I have taken on a joint position between the Met Office and the University of Leeds: Research Scientist | Met Office Hadley Centre Associate Professor | University of Leeds Looking forward to getting to work on this. See news article below 👇
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Tim Andrews @tim-andrews.bsky.social · 05/03/2025
Hearing lots of “yaffle” from green woodpeckers the last two days… #SignsOfSpring
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Tim Andrews @tim-andrews.bsky.social · 05/03/2025
Banger of a quote from Chris Bretherton... "... No amount of clever technology can cover the gap that is forming. “Artificial intelligence,” he says, “cannot compensate for a lack of human intelligence.”..." www.science.org/content/arti...
science.org
NOAA firings hit the birthplace of weather and climate forecasting
Dismissed researchers were improving severe weather predictions
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Tim Andrews @tim-andrews.bsky.social · 01/03/2025
Hello again Spring. Been a while. ☀️
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Met Office - weather and climate @metoffice.gov.uk · 10/01/2025
2024 has recorded the highest temperature in any year since 1850 🌡🌍 This is the 11th year in succession that has equalled or exceeded 1.0°C above the pre-industrial average period A number of centres released their estimates today: www.metoffice.gov.uk/about-us/new...
metoffice.gov.uk
2024: record-breaking watershed year for global climate
2024 was the warmest year on record globally and the first year that was likely more than 1.5°C above pre-industrial levels: a stark reminder global temperatures are continuing to rise.
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Tim Andrews @tim-andrews.bsky.social · 07/01/2025
Couple of hours off work earlier for some snow fun on #Dartmoor.
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Tim Andrews @tim-andrews.bsky.social · 24/12/2024
A rare treat this Christmas Eve: Anticrepuscular (shadow) rays, I believe. A first for me. Like the shafts of sun light you may have seen near sunset, but converging at the antisolar point (the point in the sky opposite the sun) - an illusion like railroads converging at infinity…
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Robert Macfarlane @robgmacfarlane.bsky.social · 21/12/2024
Happy Winter Solstice to all in the northern hemisphere. The turn of the year's tide, a pivot-point, a day of hope—when the dark stops rising & after which the Sun begins its slow climb back. A day I celebrate more than Christmas or New Year. Fiat lux! 📷 by @annieworsley.bsky.social
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