Anna Mackie
@annamackie.bsky.social
Reposted by Anna Mackie
🚨 New paper alert! ☁️
We define a diagnostic of convective entrainment in GCMs and investigate how this diagnosed value is connected to CAPE extremes and moist heatwaves in the tropics.
You can find our paper in WCD, co-written with Marty Singh.
doi.org/10.5194/wcd-...
We define a diagnostic of convective entrainment in GCMs and investigate how this diagnosed value is connected to CAPE extremes and moist heatwaves in the tropics.
You can find our paper in WCD, co-written with Marty Singh.
doi.org/10.5194/wcd-...
Entrainment and the tropical tropospheric thermal structure in global climate models
Abstract. The observed relationship between stability and humidity in the tropical troposphere has been argued to be strongly influenced by moist convective entrainment (Palmer and Singh, 2024). In th...
doi.org
November 27, 2025 at 10:28 AM
🚨 New paper alert! ☁️
We define a diagnostic of convective entrainment in GCMs and investigate how this diagnosed value is connected to CAPE extremes and moist heatwaves in the tropics.
You can find our paper in WCD, co-written with Marty Singh.
doi.org/10.5194/wcd-...
We define a diagnostic of convective entrainment in GCMs and investigate how this diagnosed value is connected to CAPE extremes and moist heatwaves in the tropics.
You can find our paper in WCD, co-written with Marty Singh.
doi.org/10.5194/wcd-...
Reposted by Anna Mackie
🚨New paper on heatwaves in a net zero world 🚨
In our study, led by @sarahinscience.bsky.social, we find that the intensity, length and frequency of heatwaves do not return to pre-industrial levels under net zero - and in many regions barely improve at all.
iopscience.iop.org/article/10.1...
In our study, led by @sarahinscience.bsky.social, we find that the intensity, length and frequency of heatwaves do not return to pre-industrial levels under net zero - and in many regions barely improve at all.
iopscience.iop.org/article/10.1...
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iopscience.iop.org
November 18, 2025 at 4:10 PM
🚨New paper on heatwaves in a net zero world 🚨
In our study, led by @sarahinscience.bsky.social, we find that the intensity, length and frequency of heatwaves do not return to pre-industrial levels under net zero - and in many regions barely improve at all.
iopscience.iop.org/article/10.1...
In our study, led by @sarahinscience.bsky.social, we find that the intensity, length and frequency of heatwaves do not return to pre-industrial levels under net zero - and in many regions barely improve at all.
iopscience.iop.org/article/10.1...
Reposted by Anna Mackie
🚨New paper on Southern Ocean CO2🚨
Using a suite of Earth system models, Maddie Shankle et al show that better ventilation of intermediate waters in the North Pacific ends up reducing outgassing of CO2 in the Southern Ocean 🌊🧪⚒️🧵 @earthscista.bsky.social
www.nature.com/articles/s41...
Using a suite of Earth system models, Maddie Shankle et al show that better ventilation of intermediate waters in the North Pacific ends up reducing outgassing of CO2 in the Southern Ocean 🌊🧪⚒️🧵 @earthscista.bsky.social
www.nature.com/articles/s41...
Southern Ocean CO2 outgassing and nutrient load reduced by a well-ventilated glacial North Pacific - Nature Communications
A better-ventilated North Pacific could have reduced the carbon of water upwelled in the Southern Ocean, reducing outgassing and revealing a remote influence on Southern Ocean biogeochemistry in glaci...
www.nature.com
September 17, 2025 at 5:50 PM
🚨New paper on Southern Ocean CO2🚨
Using a suite of Earth system models, Maddie Shankle et al show that better ventilation of intermediate waters in the North Pacific ends up reducing outgassing of CO2 in the Southern Ocean 🌊🧪⚒️🧵 @earthscista.bsky.social
www.nature.com/articles/s41...
Using a suite of Earth system models, Maddie Shankle et al show that better ventilation of intermediate waters in the North Pacific ends up reducing outgassing of CO2 in the Southern Ocean 🌊🧪⚒️🧵 @earthscista.bsky.social
www.nature.com/articles/s41...
Reposted by Anna Mackie
Meet the motley crew of the School of Earth and Environmental Sciences – ready to kick off the new academic year! 🌍👋
Special mention to our Head of School, Prof. Rob Wilson, who is cleverly disguised a a responsible adult (the T-shirt says it all) 😅🤦♂
www.st-andrews.ac.uk/earth-scienc...
Special mention to our Head of School, Prof. Rob Wilson, who is cleverly disguised a a responsible adult (the T-shirt says it all) 😅🤦♂
www.st-andrews.ac.uk/earth-scienc...
September 12, 2025 at 9:23 AM
Meet the motley crew of the School of Earth and Environmental Sciences – ready to kick off the new academic year! 🌍👋
Special mention to our Head of School, Prof. Rob Wilson, who is cleverly disguised a a responsible adult (the T-shirt says it all) 😅🤦♂
www.st-andrews.ac.uk/earth-scienc...
Special mention to our Head of School, Prof. Rob Wilson, who is cleverly disguised a a responsible adult (the T-shirt says it all) 😅🤦♂
www.st-andrews.ac.uk/earth-scienc...
Reposted by Anna Mackie
The Weather & Climate Livestream is officially LIVE from now until Sunday, June 1st! Our 💯 hours to #SaveAmericasForecasts starts today: wclivestream.com/watch/
May 28, 2025 at 5:09 PM
The Weather & Climate Livestream is officially LIVE from now until Sunday, June 1st! Our 💯 hours to #SaveAmericasForecasts starts today: wclivestream.com/watch/
Reposted by Anna Mackie
Are you a US-based meteorologist or climate scientist who has been supported by federal funds at some point in your career? We're still looking for speakers for the Weather & Climate Livestream, but sign up soon - only nights and weekend slots remain!
wclivestream.com/speakers/
wclivestream.com/speakers/
The Weather & Climate Livestream | Speakers
Information for potential speakers at the Weather & Climate Livestream
wclivestream.com
May 21, 2025 at 8:56 PM
Are you a US-based meteorologist or climate scientist who has been supported by federal funds at some point in your career? We're still looking for speakers for the Weather & Climate Livestream, but sign up soon - only nights and weekend slots remain!
wclivestream.com/speakers/
wclivestream.com/speakers/
Reposted by Anna Mackie
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...