Solar wind transients, i.e. coronal mass ejections (CMEs), their associated interplanetary shocks and corotating interaction regions (CIRs) drive space weather throughout the heliosphere, causing various interplanetary as well as planetary disturbances. Therefore, the prediction of their arrival and impact is extremely important for the modern space-exploration and electronics-dependent society. Significant efforts have been made in the past decade to develop and improve the prediction capabilities, through both state-of-the art observations and modelling. Although significant progress has been made, many new challenges have been revealed. We are limited in obtaining reliable observation-based input for the models, tracking CMEs and CIRs throughout the heliosphere and reliably evaluating prediction models. These challenges can be tackled by exploiting and improving our existing capabilities, as well as using the out-of-the-box thinking and break from the traditional methods and data. This session is devoted to provide an overview of the current state of the space weather prediction of the arrival time and impact of solar wind transients and to introduce new and promising observational and modelling capabilities.
We solicit abstracts on observational and modelling efforts, as well as space weather prediction evaluation. Emphasis will be placed on the multi-spacecraft and multi-instrument observational approaches, data-driven modelling, and community established evaluation measures. With the overview of our current capabilities and possible future prospects we aim to highlight guidelines to the general direction of the future scientific efforts, as well as space-mission planning.

Space weather and space climate are collective terms that describe the Sun-Earth system on timescales varying between minutes and decades and include processes at the Sun, in the heliosphere, magnetosphere, ionosphere, thermosphere and at the lower atmosphere. Being able to predict (forecast and nowcast) the extreme events and develop the strategy for mitigation are dramatically important because space assets and critical infrastructures in the EU, such as communication and navigation systems, power grids, and aviation, are all extremely sensitive to the external environment. Post-event analysis is crucially important for the development and maintenance of numerical models, which can predict extreme space weather events in order to avoid failure of the critical infrastructures.
This session aims to address both the current state of the art of space weather products and new ideas and developments that can enhance the understanding of space weather and space climate and its impact on critical infrastructure. We invite presentations on various space weather and space climate-related activities in the Sun-Earth system: forecast and nowcast products and services; satellite observations; model development, validation, and verification; data assimilation; development and production of geomagnetic and ionospheric indices. Talks on space weather effects on applications (e.g. on airlines, pipelines and power grids, space flights, auroral tourism, etc.) in the Earth’s environment are also welcomed.

Public information:
We invite presentations on various space weather and space climate-related activities in the Sun-Earth system: forecast and nowcast products and services; satellite observations; model development, validation, and verification; data assimilation; development and production of geomagnetic and ionospheric indices. Talks on space weather effects on applications (e.g. on airlines, pipelines and power grids, space flights, auroral tourism, etc.) in the Earth’s environment are also welcomed.

08:30 - Start of chat time
08:30 - (poster) D3144 | EGU2020-18174 - Antonio Guerrero et al.
Agenda - Orals
08:36 - D3123 | EGU2020-7386 - Eelco Doornbos et al.
08:46 - D3124 | EGU2020-6646 - Jürgen Matzka et al.
08:56 - D3125 | EGU2020-22086 - Seán Blake et al.
09:06 - D3128 | EGU2020-9196 - Mihail Codrescu et al.
09:16 - D3129 | EGU2020-7702 - Elena Marshalko et al.
Agenda - Posters
09:26 - D3132 | EGU2020-7474 - Kiyonobu Sugihara et al.
09:32 - D3133 | EGU2020-7650 - Harri Haukka et al.
09:38 - D3135 | EGU2020-11371 - Guram Kervalishvili et al.
09:44 - D3137 | EGU2020-22188 - Tom Baltzer et al.
09:50 - D3138 | EGU2020-22144 - Chris Pankratz et al.
09:56 - D3141 | EGU2020-15904 - Jean-Marie Chevalier et al.
10:02 - D3142 | EGU2020-12084 - Christine Gabrielse et al.
10:08 - D3147 | EGU2020-1002 - Joana Alves Ribeiro et al.
10:15 - End of chat time

The topic will cover the wide range of the aspects of solar-terrestrial physics that deal with the effects of space phenomena on different levels of geo-space. Effects range from those observed on spacecraft related activities all the way down to Earth and to other Solar System bodies, including impacts on technological systems, human health and life in space, as well as Earth`s climate. We welcome theoretical, observational, as well as applied contributions (effects on terrestrial and geo-space environments) on all aspects of Space Weather. Special emphasis will be put on new multi-diagnostics data base and services and on construction of relevant roadmap for future Space Weather products, improvement of forecasting models, application for Space geodetic techniques such as GNSS(ground-and satellite-based), DORIS, VLBI, satellite altimetry or the GPS radio occultation missions, applications for GICs prediction, as well as contributions related to the ESA Space Situational Awareness (SSA). This session aims at merging new and existing methods of observations and diagnostics of Solar System habitats and Space Weather services, as LOFAR radio diagnostics and new investigation and application for incoming ESA exploration missions like JUICE and SOLAR ORBITER.

Data science, analytics and visualization technologies and methods emerge as significant capabilities for extracting insight from the ever growing volume and complexity of scientific data. The rapid advancement of these capabilities no doubt helps address a number of challenges and present new opportunities in improving Earth and Space science data usability. This session will highlight and discuss the novelty and strength of these emerging fields and technologies of these components, and their trends. We invite papers and presentations to examine and share the experience of:
- What benefits they offer to Earth and Space Science
- What science research challenges they address
- How they help transform science data into information and knowledge
- In what ways they can advance scientific research
- What lessons were learned in the development and infusion of these methods and technologies

The Earth's magnetic field is continuously monitored by a large number of geomagnetic observatories and satellites in low Earth orbit. In the past years, there has been a growing interest in space weather events and in particular in their potential hazard for the activities and infrastructures of a modern, technologically based society. It is on, or just above, the surface of the Earth indeed that several important practical effects of space weather events are realized. Therefore, both ground-based magnetic observatories and magnetic measurements from satellites can play a significant role in the space weather era. They can be used to monitor space weather events, such as magnetic storms, substorms and geomagnetically induced currents, and furthermore they facilitate studies of dynamic solar-terrestrial events and of their interactions.
The aim of this session is to collect new ideas and results on how magnetic field measurements (from geomagnetic observatories and satellites such as CHAMP, Swarm, CSES, ePOP and so on) can improve our knowledge in the space weather domain and on how they can become useful for service providers, users, and critical infrastructure protection administrations.

Originally the term ‘space weather’ referred to the way in which “the variable conditions on the Sun can influence, throughout space and in the Earth’s magnetic field and upper atmosphere, the performance of space-borne and ground-based technological systems and endanger human life or health”(1). In the last years it has been extended to all the objects of the Solar Systems, becoming “Planetary Space Weather”.
The different aspects of the interactions induced by the Sun with the many objects of the Solar System should be studied in comparison with the Earth case, to help understanding the processes involved. In fact, possible comparative studies have already proven to be a powerful tool in understanding the different effects and interactions of space weather occurring around all the bodies of the Solar System.
In the present session, we welcome abstracts from all planets’ upstream solar wind activities and their relation to planetary space weather, including especially magnetized bodies (like Mercury, the Earth, Saturn and Jupiter) as well as comparisons with unmagnetized bodies (Mars and Venus).
Nevertheless, a special focus of this session will be on the planet Mercury whose environment in a few years will be the main goal of the dual ESA/JAXA mission BepiColombo. Bepicolombo will perform the first of six flybys at the end of 2021, and will begin its orbiting phase in 2026. One of the two spacecraft, the Japanese MIO, is especially designed to study the magnetospheric environment. Additional instrumentation onboard the European planetary spacecraft, orbiting closer to the planet, will measure the inner magnetosphere interactions with the exosphere and the surface.
In this frame, we welcome studies on:
• magnetosphere-ionosphere coupling dynamics (and auroras where present);
• the solar wind interaction with planets and moons (nb: for smaller bodies refer to session PS2.3 and for pure studies on unmagnetized bodies refer to session PS1.2)
• inter-comparisons of planetary environments;
• observations of space weather effects from space probes and Earth-based instrumentation;
• theoretical modeling and simulations, especially in view of measurement analysis and interpretation;
• potential impacts of space weathering on technological space systems.

(1) from US National Space Weather Plan (2000)

Public information:
Welcome to the session PS1.4-ST4.7 Planetary Space Weather.
The schedule will include 10 displays and it will start with our solicited talk by Chuanfei Dong.
Then, we will follow the order you will find in the list of displays.
To actively participate, you are supposed to have already read all the displays.
Nevertheless, to help you in participation to the session, we will introduce the authors who will briefly tell us about their research work.
Then, we will open to questions for about 10 minutes each, and authors will answer live.
If we will have still time, we will have a short general discussion at the end.
Enjoy our session then!
Valeria, Zhonghua, Philippe and Markus

The ionospheres and (induced) magnetospheres of unmagnetized and weakly magnetized bodies with substantial atmospheres (e.g. Mars, Venus, Titan, Pluto and comets) are subject to disturbances due to solar activity, interplanetary conditions (e.g. solar flares, coronal mass ejections and solar energetic particles) or for moons parent magnetospheric activity. They interact similarly as their magnetized counterparts but with scientifically important differences.
As an integral part of planetary atmospheres, ionospheres are tightly coupled with the neutral atmosphere, exosphere and surrounding plasma environment, possessing rich compositional, density, and temperature structures. The interaction among neutral and charged components affects atmospheric loss, neutral winds, photochemistry, and energy balance within ionospheres.
This session invites abstracts concerning remote and in-situ data analysis, modelling studies, comparative studies, instrumentation and mission concepts for unmagnetized and weakly magnetized solar system bodies.