Atmospheric Sciences
@atmsciences.bsky.social
Weather and Climate; Stratosphere, UV, AQ, methane; hydrogen; EU CAMS, ESA remote sensing etc ; employed at knmi.nl ; If we would change, climate wouldn’t need to; @MichielvanWeele.bsky.social
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Najnowszy wpis na blogu o pionierskim zdobyciu przez Tomasza wulkanu tarczowego #HayliGubbi #Afar #Etiopia #Afryka/ Various photos of #HayliGubbi #volcano in #Afar #Ethiopia Link: wulkanyswiata.blogspot.com/2025/03/hayl...
Hayli Gubbi: pionierskie zdjęcia wulkanu tarczowego w Etiopii
21 lutego 2025 roku Tomaszowi udało się wejść na etiopski wulkan tarczowy Hayli Gubbi ...
wulkanyswiata.blogspot.com
March 6, 2025 at 8:59 AM
Najnowszy wpis na blogu o pionierskim zdobyciu przez Tomasza wulkanu tarczowego #HayliGubbi #Afar #Etiopia #Afryka/ Various photos of #HayliGubbi #volcano in #Afar #Ethiopia Link: wulkanyswiata.blogspot.com/2025/03/hayl...
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#ETHIOPIA: Hayli Gubbi is the southern most #volcano of the Erta Ale Range erupts today violently after 10,000years…..it is the northern end of the Great Rift Valley. 1/2
#HayliGubbi
#HayliGubbi
November 24, 2025 at 2:42 AM
#ETHIOPIA: Hayli Gubbi is the southern most #volcano of the Erta Ale Range erupts today violently after 10,000years…..it is the northern end of the Great Rift Valley. 1/2
#HayliGubbi
#HayliGubbi
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An eruption from the #HayliGubbi volcano in #Ethiopia resulted in a large ash cloud, visible here from space. 🌋
This impressive view was seen 36,000km above Earth by our Meteosat-12 satellite on 23 November at 13:40 UTC.
This impressive view was seen 36,000km above Earth by our Meteosat-12 satellite on 23 November at 13:40 UTC.
November 24, 2025 at 10:10 AM
An eruption from the #HayliGubbi volcano in #Ethiopia resulted in a large ash cloud, visible here from space. 🌋
This impressive view was seen 36,000km above Earth by our Meteosat-12 satellite on 23 November at 13:40 UTC.
This impressive view was seen 36,000km above Earth by our Meteosat-12 satellite on 23 November at 13:40 UTC.
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1️⃣ Der #Vulkan #HayliGubbi ist nach Tausenden von Jahren in der Afar-Region, #Äthiopien, ausgebrochen⤵️
November 24, 2025 at 10:19 AM
1️⃣ Der #Vulkan #HayliGubbi ist nach Tausenden von Jahren in der Afar-Region, #Äthiopien, ausgebrochen⤵️
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Sentinel-5P #TROPOMI measurements at ~11:00 UTC show most of the SO₂ emissions from #HayliGubbi spreading east in the upper troposphere. Plume contains ~44 kilotons of SO₂ (~0.04 Tg).
November 23, 2025 at 5:53 PM
Sentinel-5P #TROPOMI measurements at ~11:00 UTC show most of the SO₂ emissions from #HayliGubbi spreading east in the upper troposphere. Plume contains ~44 kilotons of SO₂ (~0.04 Tg).
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An explosive #eruption of Hayli Gubbi #volcano, located SE of Erta'Ale in the Afar Rift (Ethiopia), began at ~08:30 UTC on Nov 23. Eruption onset was fortuitously captured by a @planet.com overpass at 08:31 UTC. Hayli Gubbi has no record of Holocene eruptions. Toulouse VAAC reporting ash to ~15 km.
November 23, 2025 at 5:23 PM
An explosive #eruption of Hayli Gubbi #volcano, located SE of Erta'Ale in the Afar Rift (Ethiopia), began at ~08:30 UTC on Nov 23. Eruption onset was fortuitously captured by a @planet.com overpass at 08:31 UTC. Hayli Gubbi has no record of Holocene eruptions. Toulouse VAAC reporting ash to ~15 km.
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Búzios Scientific Statement
100 climate researchers, coordinated by @pik-potsdam.bsky.social & @iiasa.ac.at, released a joint statement to inform the #COP30 negotiations and provide guidance on difficult but doable global efforts designed to limit dangerous overshoot of 1.5°C as much as possible.
100 climate researchers, coordinated by @pik-potsdam.bsky.social & @iiasa.ac.at, released a joint statement to inform the #COP30 negotiations and provide guidance on difficult but doable global efforts designed to limit dangerous overshoot of 1.5°C as much as possible.
Búzios Scientific Statement.pdf
drive.google.com
November 15, 2025 at 4:36 PM
Búzios Scientific Statement
100 climate researchers, coordinated by @pik-potsdam.bsky.social & @iiasa.ac.at, released a joint statement to inform the #COP30 negotiations and provide guidance on difficult but doable global efforts designed to limit dangerous overshoot of 1.5°C as much as possible.
100 climate researchers, coordinated by @pik-potsdam.bsky.social & @iiasa.ac.at, released a joint statement to inform the #COP30 negotiations and provide guidance on difficult but doable global efforts designed to limit dangerous overshoot of 1.5°C as much as possible.
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Sterke en snelle vermindering van broeikasgas-uitstoot is nodig om de zeespiegelerfenis te beperken
www.nioz.nl/en/news/deep...
www.nioz.nl/en/news/deep...
November 8, 2025 at 9:55 AM
Sterke en snelle vermindering van broeikasgas-uitstoot is nodig om de zeespiegelerfenis te beperken
www.nioz.nl/en/news/deep...
www.nioz.nl/en/news/deep...
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The Vietnamese Bach Ma Mountain Peak station recorded one-day rainfall of 1,739 mm - close to the global one-day record and perhaps a new record for the northern hemisphere. It is part of a deluge Viet Nam has seen in October, shattering 35 precip records. e.vnexpress.net/news/news/en...
Vietnam sees 35 rainfall records broken in October - VnExpress International
Vietnam's northern and central regions saw a total of 35 rain records broken in October alone as two storms, Matmo and Fengshen, caused unprecedented downpours.
e.vnexpress.net
November 7, 2025 at 9:00 PM
The Vietnamese Bach Ma Mountain Peak station recorded one-day rainfall of 1,739 mm - close to the global one-day record and perhaps a new record for the northern hemisphere. It is part of a deluge Viet Nam has seen in October, shattering 35 precip records. e.vnexpress.net/news/news/en...
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Great dissection of where the world stands on climate 10 years after Paris: better than ever; worse than needed.
Start here: www.nytimes.com/interactive/...
But lemme quibble a bit with the CO₂ₑ emissions pathways painted here.
A quick 🧵
Start here: www.nytimes.com/interactive/...
But lemme quibble a bit with the CO₂ₑ emissions pathways painted here.
A quick 🧵
November 7, 2025 at 8:23 PM
Great dissection of where the world stands on climate 10 years after Paris: better than ever; worse than needed.
Start here: www.nytimes.com/interactive/...
But lemme quibble a bit with the CO₂ₑ emissions pathways painted here.
A quick 🧵
Start here: www.nytimes.com/interactive/...
But lemme quibble a bit with the CO₂ₑ emissions pathways painted here.
A quick 🧵
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I was recently invited to present my thoughts on the role of universities in the #climate crisis
Several audience members asked that I share my slides, so I've decided to post them here too as an open resource
I'd love any feedback, & for you to share examples of projects & best practice.
Long 🧵😊
Several audience members asked that I share my slides, so I've decided to post them here too as an open resource
I'd love any feedback, & for you to share examples of projects & best practice.
Long 🧵😊
October 26, 2025 at 4:57 AM
I was recently invited to present my thoughts on the role of universities in the #climate crisis
Several audience members asked that I share my slides, so I've decided to post them here too as an open resource
I'd love any feedback, & for you to share examples of projects & best practice.
Long 🧵😊
Several audience members asked that I share my slides, so I've decided to post them here too as an open resource
I'd love any feedback, & for you to share examples of projects & best practice.
Long 🧵😊
See also this inititative www.solargeoeng.org/non-use-agre... though without the dual-use permanent satellite-based monitoring element to detect any unwanted experimenting together with early warning for volcanic ash plumes in UTLS
October 26, 2025 at 5:12 AM
See also this inititative www.solargeoeng.org/non-use-agre... though without the dual-use permanent satellite-based monitoring element to detect any unwanted experimenting together with early warning for volcanic ash plumes in UTLS
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Non-use agreement similar to the present-dat nuclear test-ban treaty, together with new Europe/Asia led dual-use satellite-based monitoring (non-use and also for aviation warning systems on volcanic ash) could be a practical way forward for the next decade, in my view. Finding out how to get there.
October 26, 2025 at 5:05 AM
Non-use agreement similar to the present-dat nuclear test-ban treaty, together with new Europe/Asia led dual-use satellite-based monitoring (non-use and also for aviation warning systems on volcanic ash) could be a practical way forward for the next decade, in my view. Finding out how to get there.
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reminder... activistchecklist.org/links/
Why we need to remove everything after the
Plain language steps for digital security, because protecting yourself helps keep your whole community safer. Built by activists, for activists with field-tested, community-verified guides.
activistchecklist.org
October 22, 2025 at 6:36 PM
reminder... activistchecklist.org/links/
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Tien jaar na het Klimaatakkoord van Parijs is duidelijk dat de aarde nog steeds opwarmt. Hittegolven zijn warmer en komen vaker voor, en het aantal warme dagen neemt wereldwijd toe.
Tien jaar na het Parijsakkoord: opwarming stopt niet
Tien jaar na het Klimaatakkoord van Parijs is duidelijk dat de aarde nog steeds opwarmt. Hittegolven zijn warmer en komen vaker voor, en het aantal warme dagen neemt wereldwijd toe. Mede dankzij het P
www.knmi.nl
October 16, 2025 at 4:20 AM
Tien jaar na het Klimaatakkoord van Parijs is duidelijk dat de aarde nog steeds opwarmt. Hittegolven zijn warmer en komen vaker voor, en het aantal warme dagen neemt wereldwijd toe.
In this piece @carbonbrief.org still reports the warming by methane based on its increase in abundance (~25% of warming, and not the more correct much larger share in the emission-based methane forcing. Source: IPCC AR6. Do not forget #troposphericozone and other chemistry
October 12, 2025 at 5:50 PM
In this piece @carbonbrief.org still reports the warming by methane based on its increase in abundance (~25% of warming, and not the more correct much larger share in the emission-based methane forcing. Source: IPCC AR6. Do not forget #troposphericozone and other chemistry
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‘Stratospheric aerosol injection (SAI) could change the sky’s appearance. This could play a role in shaping public perception of SAI.’
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iopscience.iop.org
August 10, 2025 at 2:25 PM
‘Stratospheric aerosol injection (SAI) could change the sky’s appearance. This could play a role in shaping public perception of SAI.’
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Explainer: Will global warming ‘stop’ as soon as net-zero emissions are reached? | @hausfath.bsky.social #CBarchive
Read:
Read:
Explainer: Will global warming ‘stop’ as soon as net-zero emissions are reached? - Carbon Brief
Warming is likely to more or less stop once net-zero emissions of carbon dioxide (CO2) is reached, meaning humans have the power to choose their climate future.
j.mp
October 12, 2025 at 4:01 PM
Explainer: Will global warming ‘stop’ as soon as net-zero emissions are reached? | @hausfath.bsky.social #CBarchive
Read:
Read:
It is a thought proviking idea, using methane-consuming microbes to combat methane release at the source location (eg waste water, landfill, coal mines). What could be demonstrated already in this respect?
The Very Hungry Microbes That Could, Just Maybe, Cool the Planet
www.nytimes.com
October 8, 2025 at 6:29 AM
It is a thought proviking idea, using methane-consuming microbes to combat methane release at the source location (eg waste water, landfill, coal mines). What could be demonstrated already in this respect?
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The Dutch offshore wind programme is in trouble. While 4.5 GW is in operation and another 1.5 GW under construction, the plan was to rapidly build out capacity to 21 GW by 2032. That is now out of reach.
My thoughts on how this happened, and what to do about it!
www.commonfutures.com/en/insights/...
My thoughts on how this happened, and what to do about it!
www.commonfutures.com/en/insights/...
Putting the Dutch offshore wind train back on the tracks
Putting the Dutch offshore wind train back on the tracks
www.commonfutures.com
October 4, 2025 at 7:22 PM
The Dutch offshore wind programme is in trouble. While 4.5 GW is in operation and another 1.5 GW under construction, the plan was to rapidly build out capacity to 21 GW by 2032. That is now out of reach.
My thoughts on how this happened, and what to do about it!
www.commonfutures.com/en/insights/...
My thoughts on how this happened, and what to do about it!
www.commonfutures.com/en/insights/...
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Emerging hemispheric asymmetry of Earth’s radiation | PNAS www.pnas.org/doi/10.1073/...
Emerging hemispheric asymmetry of Earth’s radiation | PNAS
Twenty-four years of satellite observations from the Clouds and the Earth’s Radiant
Energy System show a northern hemisphere (NH) minus southern he...
www.pnas.org
October 2, 2025 at 9:49 AM
Emerging hemispheric asymmetry of Earth’s radiation | PNAS www.pnas.org/doi/10.1073/...
‘Circular cirrus’ (contrails caused by circling aircraft) over The Netherlands observed with MTG
October 2, 2025 at 8:34 PM
‘Circular cirrus’ (contrails caused by circling aircraft) over The Netherlands observed with MTG
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Noting guru Eun-Pa Lim explains on X that its still very early days for the Sudden Stratospheric Warming, and what we have seen so far is a 'minor warming'
September 30, 2025 at 3:48 AM
Noting guru Eun-Pa Lim explains on X that its still very early days for the Sudden Stratospheric Warming, and what we have seen so far is a 'minor warming'
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Busy days around what might become to be known as the 2025 Sudden Stratospheric Warming: Loads of media interest, and thanks to the journalists who take their time to talk to me before writing their story. Happy to take some of mine in turn. theconversation.com/air-temperat...
September 29, 2025 at 11:11 PM
Busy days around what might become to be known as the 2025 Sudden Stratospheric Warming: Loads of media interest, and thanks to the journalists who take their time to talk to me before writing their story. Happy to take some of mine in turn. theconversation.com/air-temperat...