28 March 2023
ECMWF, Reading (UK)

This symposium, organized by the WCRP Working Group on Subseasonal to Interdecadal Prediction (WGSIP), aims to highlight cutting-edge developments occurring in the international research and services communities.

The symposium is open to all interested researchers and practitioners in the international climate prediction community, either remotely or (for those based in Reading) in person at ECMWF. For further details on how to attend, including the agenda and, please complete the registration form before 26 March to receive the joining information.

A selection of new science articles from the past week of interest to the SPARC community (a SPARC Office choice).

---

Aeolus wind lidar observations of the 2019/2020 Quasi-Biennial Oscillation disruption with comparison to radiosondes and reanalysis. By T.P. Banyard et al. in the EGUsphere.

Usability of climate information: Toward a new scientific framework. By J. Jebeile and J. Roussos in WIREs Climate Change.

South Pole Station ozonesondes: variability and trends in the springtime Antarctic ozone hole 1986–2021. By B.J. Johnson et al. in Atmospheric Composition and Physics.

Indicators of the ozone recovery for selected sites in the Northern Hemisphere mid-latitudes derived from various total column ozone datasets (1980–2020). By J. Krzyścin in Atmospheric Chemistry and Physics.

The influence of solar-modulated regional circulations and galactic cosmic rays on global cloud distribution. By V. Kumar, S.K. Dhaka, M.H. Hitchman, and S. Yoden in the Scientific Reports.

Large Contribution of Ozone-Depleting Substances to Global and Arctic Warming in the Late 20th Century. By M. Sigmond et al. in the the Geophysical Research Letters.

---

Discussion papers – open for comment:

ESD Ideas: A 6-year oscillation in the whole Earth system? By A. Cazenave, J. Pfeffer, M. Mandea, and V. Dehant in the EGUsphere.

We have just another week for abstract submissions to the WCRP Open Science Conference (https://wcrp-osc2023.org): deadline on 14th March! The same deadline also applies to financial support requests and expressions of interest to attend the Early and Mid-Career Researchers Symposium (EMCR) Symposium.

We are building an exciting program, with many topical sessions (https://wcrp-osc2023.org/program/program-sessions) that will bring together the work of the WCRP Core Projects and Lighthouse Activities, while reaching out to different communities in a transdisciplinary event. It also features many contributions from our partners,  in terms of scientific research and organizational co-design.

Highlighting also the poster clusters (https://wcrp-osc2023.org/program/program-poster-clusters), which are designed to bring together a community working on a specific topic within the broader conference themes. Posters will form a very important part of the OSC, particularly for early career researchers. In addition to dedicated on-site poster sessions, all posters will be posted on the hybrid platform poster gallery at least two weeks before the conference. Virtual poster sessions will be organized during these two weeks.

The EMCR Symposium programme is taking shape (https://wcrp-osc2023.org/emcr). It will be an excellent opportunity for EMCRs to network with colleagues from different regions and disciplines. We highlight that EMCRs wanting to attend the Symposium must submit an abstract. Applicants will be notified of their selection in May 2023.

There are lots of promotional material on the OSC website (https://wcrp-osc2023.org/about-conference/resources)! Please make use of those and share the information within your networks.

Meet us in remarkable Rwanda! #WCRPOSC23

Nico

(on behalf of the WCRP OSC 2023 Organising Committee)

A selection of new science articles from the past week of interest to the SPARC community (a SPARC Office choice).

---

An inconsistency in aviation emissions between CMIP5 and CMIP6 and the implications for short-lived species and their radiative forcing. By R.N. Thor et al. in Geoscientific Model Development.

Airborne coherent wind lidar measurements of the momentum flux profile from orographically induced gravity waves. By B. Witschas et al. in Atmospheric measurement Techniques.

---

Discussion papers – open for comment:

Opinion: Atmospheric Multiphase Chemistry: Past, Present, and Future. By J. Abbatt and A. Ravishankarain the EGUshere.

Comment on “An approach to sulfate geoengineering with surface emissions of carbonyl sulfide” by Quaglia et al. (2022). By M. von Hobe et al. in the EGUshpere.

Atmospheric composition and climate impacts of a future hydrogen economy. By N.J. Warwick et al. in Atmospheric Chemistry and Physics.

A selection of new science articles from the past week of interest to the SPARC community (a SPARC Office choice).

---

Using large ensembles to quantify the impact of sudden stratospheric warmings and their precursors on the North Atlantic Oscillation. By P.E. Bett et al. in Weather and Climate Dynamics.

Stratospheric Aerosol and Ozone Responses to the Hunga Tonga-Hunga Ha’apai Volcanic Eruption. By J. Lu et al. in the Geophysical Research Letters.

Kelvin-Helmholtz Billows in the Troposphere and Lower Stratosphere Detected by the PANSY Radar at Syowa station in the Antarctic. By Y. Minamihara, K. Sato, and M. Tsutsumi in the Journal of Geophysical Research: Atmospheres.

GNSS radio occultation soundings from commercial off-the-shelf receivers on board balloon platforms. By K.J. Nelson et al. in Atmospheric measurement Techniques.

The Cross Equatorial Transport of the Hunga Tonga-Hunga Ha’apai Eruption Plume. By M.R. Schoeberl, et al. in the Geophysical Research Letters.

Important role of stratosphere-troposphere coupling in the Arctic mid-to-upper tropospheric warming in response to sea-ice loss. By M. Xu et al. in njp climate and atmospheric science.

---

Discussion papers – open for comment:

Short and long-term stratospheric impact of smoke from the 2019/2020 Australian wildfires. By J. Friberg, B.G. Martinsson, and M.K. Sporre in the EGUsphere.

How do different pathways connect the stratospheric polar vortex to its tropospheric precursors? By R.H. Köhler, R. Jaiser, and D. Handorf in Weather and Climate Dynamics.

The EarthCARE Mission – Science and System Overview. By T. Wehr et al. in the EGUsphere.

Thank you to everyone who is working hard behind the scenes to make the WCRP Open Science Conference 2023 a success! We have two updates: 

1. We have had a number of requests to extend the abstract submission deadline by a few weeks. After careful consideration, we are pleased to announce that we can extend the deadline to 14 March 2023. This includes an extension to financial support applications and requests to participate in the EMCR Symposium, which will also close on 14 March. To help the organizing committee, please do not leave your submissions until the last minute. 

2. We can report that there is no further availability of rooms for side events. Please see the excellent side-event program on the WCRP OSC website.   

Please find all information and the latest updates on the WCRP OSC website (https://wcrp-osc2023.org). And please share these news within your networks.

We look forward to seeing you in Kigali in October. 

A selection of new science articles from the past week of interest to the SPARC community (a SPARC Office choice).

---

Climate processes and drivers in the Pacific and global warming: a review for informing Pacific planning agencies. By S. Chand et al. in Climatic Change.

Assimilation of Aircraft observations over the Indian monsoon region: Investigation of Covid-19 effects on a reanalysis. By S.I. Rani et al. in the Quarterly Journal of the Royal Meteorological Society.

Long-term prediction of Sudden Stratospheric Warmings with Geomagnetic and Solar Activity. By M. Vokhmyanin, T. Asikainen, A. Salminen, and K. Mursula in the Journal of Geophysical Research: Atmospheres.

Enhancement of Arctic surface ozone during the 2020–2021 winter associated with the sudden stratospheric warming. By Y. Xia, F. Xie, and X. Lu in the Environmental Research Letters.

WCRP has two exciting webinars planned on 27 February 2023.

1. Governing Earth System Tipping Points in Times of Multiple Crises 14:00 – 15:30 CET

The next installment in the popular Tipping Points Discussion Series will explore the governance of climate tipping points. Presentations will be by Dirk Messner (UBA/German Environment Agency) and Manjana Milkoreit (University of Oslo), with the discussion moderated by Solveig Crompton (University of Stavanger). 

Registration: https://governance-of-climate-tipping-points.confetti.events

Organized by: WCRP Safe Landing Climates / AIMES / Earth Commission / Future Earth / IIASA / PIK / Uni. of Exeter GSI

---

2. #1: Desirable Scenarios for Safe Landing Climates Pathways 21:00-22:30 CET NEW SERIES!

The Safe Landing Climates Lighthouse Activity is an exploration of the routes to “safe landing” spaces for human and natural systems. This is the first webinar in a new series that will focus on ‘Scenarios.’ Presentations will be by Brian O’Neill (Pacific Northwest National Laboratory (PNNL) and the University of Maryland in College Park), Anita Engels (Universität Hamburg), and Kate Mackenzie (Non-resident Fellow at the Centre for Policy Development and an independent consultant), with a welcome from Kevin Reed and discussion moderated by Lisa Miller (Co-Chair and Member of the Safe Landing Pathways Working Group, respectively). 

Registration: https://www.wcrp-climate.org/slc-events-opportunities/slc-ds

Organized by: WCRP Safe Landing Climates Lighthouse Activity – Safe Landing Pathways Working Group

The 13th annual GeoMIP Workshop will be held July 3-7, in Exeter, UK.  Given the strong ties between the CCMI and GeoMIP communities, CCMI members are very welcome to join us!

If you would like to attend, please fill out the following form before March 1, 2023.  This will serve as an application to attend, to make a presentation, and for travel funding, should you need it.  Travel funding is not unlimited.  This workshop will include an Early Career Meeting on Monday and Tuesday, the GeoMIP meeting proper on Wednesday and Thursday, and a wrap-up for the Early Career attendees on Friday.  At the meeting proper, participants will be invited to share their current results, and discuss collaborations and the future of GeoMIP.  

Registration Form

For more information about the Geoengineering Model Intercomparison Project (GeoMIP), please visit http://climate.envsci.rutgers.edu/geomip/

A selection of new science articles from the past week of interest to the SPARC community (a SPARC Office choice).

---

The coexistence of gravity waves from diverse sources during a SOUTHTRAC flight. By P. Alexander et al. in the Journal of Geophysical Research: Atmospheres.

Tonga eruption increases chance of temporary surface temperature anomaly above 1.5 °C. By S. Jenkins, C. Smith, M. Allen, and R. Grainger in Nature: Climate Change.

Large-Scale Disturbances in the Upper Thermosphere Induced by the 2022 Tonga Volcanic Eruption. By R. Li et al. in the Geophysical Research Letters.

---

Discussion papers – open for comment:

A Method for Calculating Offsets to Ozone Depletion and Climate Impacts of Ozone-Depleting Substances. By G.B. Dreyfus, S.A. Montzka, S.O. Andersen, and R. Ferris in Atmospheric Chemistry and Physics.

Characterizing the Tropospheric Water Vapor Variation using COSMIC Radio Occultation and ECMWF Reanalysis Data. By X. Shao et al. in Atmospheric Chemistry and Physics.

Ozone and water vapor variability in the polar middle atmosphere observed with ground-based microwave radiometers. By G. Shi, W. Krochin, E. Asuvageat, and G. Stober in the EGUshpere.

Zugspitze ozone 1978–2020: The role of stratosphere-troposphere transport. By T. Trick, c. Couret, L. Ries, and H. Vogelmann in Atmospheric Chemistry and Physics.