April 2000 1 - !!Several CMEs!! Activity inside(?) a NE CH at ~13 UT!! !!Interesting/complicated chains!! The injection of ten electron/3He-rich SEP events Linghua Wang1, Sam Krucker2,3, Glenn M. Mason4, Robert P. Lin2 and Gang Li A&A 585, A119 (2016) http://arxiv.org/pdf/1605.07882v1.pdf 2 - Usual chains Forecasting SYM?H Index: A Comparison Between Long Short?Term Memory and Convolutional Neural Networks F. Siciliano , G. Consolini , R. Tozzi , M. Gentili , F. Giannattasio, P. De Michelis Space Weather e2020SW002589 2020 https://doi.org/10.1029/2020SW002589 https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2020SW002589 2-9 Abnormal rotation rates of sunspots and durations of associated flares G. S. Suryanarayana, K. M. Hiremath, S. P. Bagare and M. Hegde A&A 580, A25 (2015), File http://www.aanda.org/articles/aa/pdf/2015/08/aa23389-14.pdf 3 - Interesting chains +4 - ~07:50 UT: our weak type II burst !06 UT: eruption, canalized dimming; See Events +!~15 UT: a partial W halo CME associated with LDE, NW filament eruption and soft protons! See Events !21 UT: eruption, See Events !interesting chains! !!!It produce a very strong geomagnetic storm and forbush on 7 April!! !!!It is ISTP event (see ftp)!!! Can Type III Radio Storms be a Source of Seed Particles to Shock Acceleration? Nat Gopalswamy, Sachiko Akiyama, Pertti Makela, Seiji Yashiro, Hong Xie Proc. 3rd URSI AT-AP-RASC, Gran Canaria, 29 May to 3 June 2022, 2022 https://arxiv.org/ftp/arxiv/papers/2205/2205.15233.pdf Charged Particle Transport in the Interplanetary Medium Review Angels Aran, Neus Agueda, Alexandr Afanasiev, and Blai Sanahuja In: O.E. Malandraki, N.B. Crosby (eds.), Solar Particle Radiation Storms Forecasting and Analysis Chapter 3, 2018 https://link.springer.com/content/pdf/10.1007%2F978-3-319-60051-2.pdf File Malandraki_Crosby_SEPs_Forecasting and Analysis_Book.pdf Influence of Non-Potential Coronal Magnetic Topology on Solar-Wind Models S. J. Edwards, A. R. Yeates , F.-X. Bocquet, D.H. Mackay Solar Phys. 2015 http://arxiv.org/pdf/1511.00427v1.pdf Modelling large solar proton events with the shock-and-particle model Extraction of the characteristics of the MHD shock front at the cobpoint Jens Pomoell1*, Angels Aran2, Carla Jacobs1,3, Rosa Rodriguez-Gasen2, Stefaan Poedts1 and Blai Sanahuja J. Space Weather Space Clim., 5, A12 (2015) http://www.swsc-journal.org/articles/swsc/pdf/2015/01/swsc140020.pdf Filament Eruptions Outside of Active Regions as Sources of Large Solar Energetic Particle Events Kahler, S. ; Gopalswamy, N. ; Makela, P. ; Akiyama, S. ; Yashiro, S. ; Xie, H. ; Thakur, N. Proceedings of the 34th International Cosmic Ray Conference (ICRC2015). 30 July - 6 August, 2015. The Hague, The Netherlands. Online at http://pos.sissa.it/cgi-bin/reader/conf.cgi?confid=236, id.48 2015 https://pos.sissa.it/236/048/pdf Large Solar Energetic Particle Events Associated with Filament Eruptions Outside of Active Regions N. Gopalswamy, P. Makela, S. Akiyama, S. Yashiro, H. Xie, N. Thakur, S. W. Kahler ApJ 2015 http://arxiv.org/ftp/arxiv/papers/1504/1504.00709.pdf MAGNETIC FIELD STRENGTH IN THE UPPER SOLAR CORONA USING WHITE-LIGHT SHOCK STRUCTURES SURROUNDING CORONAL MASS EJECTIONS R.-S. Kim1,3, N. Gopalswamy1,3, Y.-J. Moon2, K.-S. Cho1,3,4 and S. Yashiro 2012 ApJ 746 118, File Three-dimensional MHD simulation of the evolution of the April 2000 CME event and its induced shocks using a magnetized plasma blob model Shen, F.; Feng, X. S.; Wu, S. T.; Xiang, C. Q.; Song, W. B. J. Geophys. Res., Vol. 116, No. A4, A04102, 2011 OBSERVED CORE OF A GRADUAL SOLAR ENERGETIC PARTICLE EVENT L. Kocharov1, M. J. Reiner2, A. Klassen3, B. J. Thompson2, and E. Valtonen1 Astrophysical Journal, 725:2262–2269, 2010, File GRADUAL SOLAR ENERGETIC PARTICLE EVENT ASSOCIATED WITH A DECELERATING SHOCK WAVE L. Kocharov1, T. Laitinen1, A. Al-Sawad1, O. Saloniemi1, E. Valtonen1, and M. J. Reiner Astrophysical Journal, 700:L51–L55, 2009 Three frontside full halo coronal mass ejections with a nontypical geomagnetic response Rodriguez, L.; Zhukov, A. N.; Cid, C.; Cerrato, Y.; Saiz, E.; Cremades, H.; Dasso, S.; Menvielle, M.; Aran, A.; Mandrini, C.; Poedts, S.; Schmieder, B. Space Weather, Vol. 7, No. 6, S06003, 2009 http://dx.doi.org/10.1029/2008SW000453 Coronal mass ejection of 4 April 2000 and associated space weather effects Planetary and Space Science, Volume 53, Issue 6, May 2005, Pages 671-679 R.M. Jadav, K.N. Iyer, H.P. Joshi, Hari Om Vats 5 - !!Interesting/outstanding chains!! Dynamic SEP event probability forecasts S. W. Kahler and A. Ling Space Weather Volume 13, Issue 10 (pages 665–675) 2015 DOI: 10.1002/2015SW001222 6 - !Interesting chains! Forbush Decreases Associated with Western Solar Sources and Geomagnetic Storms: A Study on Precursors M. Papailiou, H. Mavromichalaki, M. Abunina, A. Belov, E. Eroshenko, V. Yanke, O. Kryakunova Solar Physics, April 2013, Volume 283, Issue 2, pp 557-563 Eruptive and quasi-eruptive disappearing solar filaments and their relationship with coronal activities. Morimoto T., Kurorawa H. Publ.Astron.Soc.Japan. 2003. V.55. No.6. P.1141–1151; File. 7 - !!!Very strong geomagnetic storm (Dst~-325 nT) and forbush from halo CME of 4 April!!! !!Interesting/outstanding chains!! New Findings from Explainable SYM-H Forecasting using Gradient Boosting Machines Daniel Iong,Yang Chen,Gabor Toth,Shasha Zou,Tuija Pulkkinen,Jiaen Ren,Enrico Camporeale,Tamas Gombosi Space Weather e2021SW002928 2022 https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2021SW002928 https://doi.org/10.1029/2021SW002928 Reply to comment by C. Cid, E. Saiz, and Y. Cerrato on “Interplanetary conditions leading to superintense geomagnetic storms (Dst ? ?250 nT) during solar cycle 23” W. D. Gonzalez, E. Echer and B. T. Tsurutani http://onlinelibrary.wiley.com/doi/10.1029/2008GL035164/pdf 8 - a SW CME at ~15 UT !!Interesting/outstanding chains!! 9 - !!A central M3.1/2B flare at ~23:40 UT associated with a halo CME!! !!!An outstanding ILLUSTRATION of a over-the-limb chain, e1, 13 UT!!! RELAXATION OF MAGNETIC FIELD RELATIVE TO PLASMA DENSITY REVEALED FROM MICROWAVE ZEBRA PATTERNS ASSOCIATED WITH SOLAR FLARES Sijie Yu, Yihua Yan, and Baolin Tan 2012 ApJ 761 136 10 - !!~02 UT: a halo CME fith a flat front!! !!interesting/outstanding chains, e1!! ILLUSTRATION!! Maybe there are flat chains corresponding to the flat CME front Trend of photospheric magnetic helicity flux in active regions generating halo coronal mass ejections_ A. Smyrli1,2, F. Zuccarello1, P. Romano3, F. P. Zuccarello4, S. L. Guglielmino1, D. Spadaro3, A. W. Hood2, and D. Mackay2 A&A 521, A56 (2010), File 11 - !!Interesting chains!! 12 - Usual/interesting chains Our type II burst at ~0630 UT 13 - !!!Interesting chains; A large SW halo CME at ~21 UT! E1, 19 UT: interesting over-the-limb elements!!! 14 - !Interesting chains! *15 - !!! 10:30 UT: Our type IIIGG with a number of type II-like bands!!! !!!Associared with a faint halo CME!!! !!! 19 UT: activity inside a SE CH !!! ILLUSTRATION!!! High resolution observations with Artemis--JLS, (II) Type IV associated intermediate drift bursts C. Bouratzis, A. Hillaris, C.E. Alissandrakis, P. Preka-Papadema, X. Moussas, C. Caroubalos, P. Tsitsipis, A. Kontogeorgos A&A 2019 https://arxiv.org/pdf/1904.02262.pdf High resolution observations with Artemis-IV and the NRH. I. Type IV associated narrow-band bursts C. Bouratzis, A. Hillaris, C.E. Alissandrakis, P. Preka-Papadema, X. Moussas, C. Caroubalos, P. Tsitsipis, A. Kontogeorgos A&A 2015 http://arxiv.org/pdf/1512.02481v1.pdf 16 - !Interesting complicated chains! 17 - !Interesting complicated chains! 17-18 Diffuse Interplanetary Radio Emission from a Polar Coronal Mass Ejection N. Gopalswamy, P. Makela, S. Yashiro, S. Akiyama URSI 2020 Proceedings 2021 https://arxiv.org/ftp/arxiv/papers/2105/2105.01216.pdf 18 - !!!Spectacular fine-structure SSW CME at 17 UT!!! High-latitude filament eruption? !!!Remarkable large chain evolution in the SW sector!!!ILLUSTRATION!!! Investigating the Kinematics of Coronal Mass Ejections with the Automated CORIMP Catalog Jason P. Byrne Journal of Space Weather and Space Climate 2015 http://arxiv.org/pdf/1506.04046v1.pdf The Kinematics and Morphology of Solar Coronal Mass Ejections Review J. P. Byrne A thesis, 2012, File Coronal Mass Ejection Detection using Wavelets, Curvelets and Ridgelets: Applications for Space Weather Monitoring P.T. Gallagher, C.A. Young!,b, J.P. Byrnea, R.T.J. McAteera E-preint, Apr 2010, Adv. Space Res. The kinematics of coronal mass ejections using multiscale methods J. P. Byrne, P. T. Gallagher1, R. T. J. McAteer1, and C. A. Young2 A&A 495, 325–334 (2009), DOI: 10.1051/0004-6361:200809811; File +19 - !!!Continuation of the previous SSW event!!! +09-10 UT: Enhancing Noise storm extending to low frequencies +20 - !!!Interesting/outstanding chains, e1, Yohkoh! illustration!!! ! A large sw CME at 01 UT! Good Noise Storm 21 - !!!Interesting/outstanding chains! illustration!!! NOBE: an over-the-limb element (chain) A number of CMEs 22 - A few SOHO data 23 - !!!Large W CME at ~13 UT following a preceding N CME!!! !!Interesting chains in N and NW sectors! A few SOHO data Investigating the Kinematics of Coronal Mass Ejections with the Automated CORIMP Catalog Jason P. Byrne Journal of Space Weather and Space Climate 2015 http://arxiv.org/pdf/1506.04046v1.pdf AUTOMATIC DETECTION AND TRACKING OF CORONAL MASS EJECTIONS. II. MULTISCALE FILTERING OF CORONAGRAPH IMAGES Jason P. Byrne1, Huw Morgan1,2, Shadia R. Habbal1, and Peter T. Gallagher 2012 ApJ 752 145 File The kinematics of coronal mass ejections using multiscale methods J. P. Byrne, P. T. Gallagher1, R. T. J. McAteer1, and C. A. Young2 A&A 495, 325–334 (2009), DOI: 10.1051/0004-6361:200809811; File Coronal Mass Ejections, Type II Radio Bursts, and Solar Energetic Particle Events in the SOHO Era N. Gopalswamy1, S. Yashiro2, S. Akiyama2, P. Makela2, H. Xie2, M. L. Kaiser1, R. A. Howard3 and J. L. Bougeret4 E-print, Feb 2008, File; Annales Geophysicae 26, 3033–3047, 2008. sci-hub.tw/10.5194/angeo-26-3033-2008 https://www.ann-geophys.net/26/3033/2008/angeo-26-3033-2008.pdf 24 - !!Interesting/ outstanding chains!! 25 - !!Interesting/ outstanding chains!! NOBE +26 - !!Interesting/ outstanding chains!! +Good Noise storm; some LF weakening at 08-10 UT A chain crossing the S polar CH NOBE Millisecond Radio Spikes in the Decimetric Band B. P. Dabrowski, P. Rudawy and M. Karlicky Solar Physics, Volume 273, Number 2, 377-392, 2011 +27 - !!Interesting/ outstanding chains!! Strong unchangable Noise storm 28 - !Interesting chains! ++29 - ++Good example of range extension and enhancement of Noise Storm !Filament eruption at ~11:30 UT from the central part of the disk! !Interesting chains! ++*30 - ! interesting chains! Our type II at 08 UT!!! Clear temporal weakening of good CME !!A partial halo CME!!