Strong coronal channelling and interplanetary evolution of a solar storm up to Earth and Mars
arXiv:1506.02842 · doi:10.1038/ncomms8135
Abstract
The severe geomagnetic effects of solar storms or coronal mass ejections (CMEs) are to a large degree determined by their propagation direction with respect to Earth. There is a lack of understanding of the processes that determine their non-radial propagation. Here we present a synthesis of data from seven different space missions of a fast CME, which originated in an active region near the disk centre and, hence, a significant geomagnetic impact was forecasted. However, the CME is demonstrated to be channelled during eruption into a direction + 37+/-10 degree (longitude) away from its source region, leading only to minimal geomagnetic effects. In situ observations near Earth and Mars confirm the channelled CME motion, and are consistent with an ellipse shape of the CME-driven shock provided by the new Ellipse Evolution model, presented here. The results enhance our understanding of CME propagation and shape, which can help to improve space weather forecasts.
6 figures, published in Nature Communications as open access
References in corpus (13)
- Observations of an extreme storm in interplanetary space caused by successive coronal mass ejections
- Connecting speeds, directions and arrival times of 22 coronal mass ejections from the Sun to 1 AU
- Kinematic Evolution of a Slow CME in Corona Viewed by STEREO-B on 8 October 2007
- Sympathetic Magnetic Breakout Coronal Mass Ejections from Pseudostreamers
- Origins of Rolling, Twisting and Non-Radial Propagation of Eruptive Solar Events
- Accuracy and Limitations of Fitting and Stereoscopic Methods to Determine the Direction of Coronal Mass Ejections from Heliospheric Imagers Observations
- Spatial Relationship between Solar Flares and Coronal Mass Ejections
- Ground Level Enhancement in the 2014 January 6 Solar Energetic Particle Event
- Coronal Hole Influence on the Observed Structure of Interplanetary CMEs
- Propagation of the 2012 March Coronal Mass Ejections from the Sun to Heliopause
- Combined Multipoint Remote and In Situ Observations of the Asymmetric Evolution of a Fast Solar Coronal Mass Ejection
- CorPITA: An Automated Algorithm for the Identification and Analysis of Coronal "EIT Waves"
- On the Collective Magnetic Field Strength and Vector Structure of Dark Umbral Cores Measured by the Hinode Spectropolarimeter
Cited by in corpus (16)
- Flare-productive active regions
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- Sun-to-Earth Characteristics of the 2012 July 12 Coronal Mass Ejection and Associated Geo-effectiveness
- Prediction of Geomagnetic Storm Strength from Inner Heliospheric In Situ Observations
- On the Propagation of a Geoeffective Coronal Mass Ejection during March 15 -- 17, 2015
- Sympathetic Solar Filament Eruptions on 2015 March 15
- Using the Coronal Evolution to Successfully Forward Model CMEs' In Situ Magnetic Profiles
- Assessing the collision nature of coronal mass ejections in the inner heliosphere
- Interplanetary and Geomagnetic Consequences of Interacting CMEs of 13-14 June 2012
- Extreme solar storms based on solar magnetic field
- Comparison of magnetic properties in a magnetic cloud and its solar source on April 11-14 2013
- Quantitative model for the generic 3D shape of ICMEs at 1 AU
- Tracking and Validating ICMEs Propagating Toward Mars Using STEREO Heliospheric Imagers Combined With Forbush Decreases Detected by MSL/RAD
- Interaction of CME/ICME with HSS solar wind from coronal holes: case study