Tim Andrews
@tim-andrews.bsky.social
Research Scientist | Met Office Hadley Centre
Associate Professor | University of Leeds
Climate and Atmospheric Science
https://timothyandrews.github.io/
Associate Professor | University of Leeds
Climate and Atmospheric Science
https://timothyandrews.github.io/
Reposted by Tim Andrews
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...
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...
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.
www.carbonbrief.org
October 27, 2025 at 12:19 PM
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...
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...
Reposted by Tim Andrews
September 23, 2025 at 10:35 PM
Reposted by Tim Andrews
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...
ML is transforming science. Ben's appointment will better link atmos & computer science & deliver impact
eps.leeds.ac.uk/news/article...
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.
eps.leeds.ac.uk
August 21, 2025 at 4:30 PM
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...
ML is transforming science. Ben's appointment will better link atmos & computer science & deliver impact
eps.leeds.ac.uk/news/article...
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/programme/ab...
Submissions for in person or virtual presentation welcome. Picked up out some fun sessions below 👇
August 12, 2025 at 2:08 PM
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/programme/ab...
Submissions for in person or virtual presentation welcome. Picked up out some fun sessions below 👇
Reposted by Tim Andrews
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
🔷 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
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-...
May 29, 2025 at 12:53 PM
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
🔷 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
Quick trip home to the #LakeDistrict 👌🏼
August 3, 2025 at 2:46 PM
Quick trip home to the #LakeDistrict 👌🏼
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.
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.
July 31, 2025 at 3:32 PM
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.
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.
Reposted by Tim Andrews
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/event/cmip20...
Session ID #4
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
wcrp-cmip.org
July 4, 2025 at 6:58 AM
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/event/cmip20...
Session ID #4
Our lad from Portugal. Forever | Diogo Jota
YouTube video by Liverpool FC
youtu.be
July 4, 2025 at 7:28 AM
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…
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…
June 26, 2025 at 3:58 PM
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…
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…
Reposted by Tim Andrews
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...
🧪🌍🌡️
www.metoffice.gov.uk/research/app...
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...
www.metoffice.gov.uk
June 13, 2025 at 4:40 PM
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...
🧪🌍🌡️
www.metoffice.gov.uk/research/app...
Reposted by Tim Andrews
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/...
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...
www.science.org
June 12, 2025 at 6:15 PM
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/...
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....
The Sea Surface Temperature Pattern Effect on Outgoing Longwave Radiation: The Role of Large-Scale Convective Aggregation
agupubs.onlinelibrary.wiley.com/doi/full/10....
June 11, 2025 at 9:27 AM
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....
The Sea Surface Temperature Pattern Effect on Outgoing Longwave Radiation: The Role of Large-Scale Convective Aggregation
agupubs.onlinelibrary.wiley.com/doi/full/10....
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
🔷 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
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-...
May 29, 2025 at 12:53 PM
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
🔷 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
Reposted by Tim Andrews
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-...
May 27, 2025 at 3:56 PM
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-...
Reposted by Tim Andrews
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-...
May 29, 2025 at 12:30 PM
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-...
Reposted by Tim Andrews
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/43CHLGJ
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...
bit.ly
May 28, 2025 at 8:09 AM
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/43CHLGJ
Reposted by Tim Andrews
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...
May 12, 2025 at 9:48 AM
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...
Reposted by Tim Andrews
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....
Read the paper and/or come to my EGU talk on Thursday! :)
agupubs.onlinelibrary.wiley.com/doi/full/10....
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...
agupubs.onlinelibrary.wiley.com
April 28, 2025 at 1:05 PM
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....
Read the paper and/or come to my EGU talk on Thursday! :)
agupubs.onlinelibrary.wiley.com/doi/full/10....
April 27, 2025 at 7:01 PM
Reposted by Tim Andrews
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/10.1029/2024...
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...
doi.org
April 22, 2025 at 9:16 AM
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/10.1029/2024...
Reposted by Tim Andrews
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...
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
doi.org
April 10, 2025 at 11:34 AM
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...
Reposted by Tim Andrews
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] 🧵:
New paper in GRL by Harry Mutton and myself: agupubs.onlinelibrary.wiley.com/doi/10.1029/...
Quick thread [1/n] 🧵:
April 8, 2025 at 1:54 PM
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] 🧵:
New paper in GRL by Harry Mutton and myself: agupubs.onlinelibrary.wiley.com/doi/10.1029/...
Quick thread [1/n] 🧵: