SIDC Space Weather briefing 25 June – 01 July 2018 Jasmina Magdalenic & SIDC forecaster team Solar Influences Data analysis Centre www.sidc.be
Summary Report Active Regions Flaring Wide CMEs NOAA AR 2715 Flaring 3 B-class flares Wide CMEs No Large Filaments eruptions Proton Events SW conditions Max solar wind speed: 660 km/s Coronal Holes Equatorial coronal hole reached central meridian on June 21 Shocks No. ICME Kp index NOAA Kp=5 & Dourbes K=5
Solar active region evolution 3
Solar active region evolution Only one sunspot group was observed on the visible side of the solar disc this week; Catania sunspot group 88 (NOAA AR 2715). 4
Solar X-ray flux and flaring 3 low B-class flares (all originating from Catania sunspot group 88, i.e. NOAA AR 2715). 27 Feb 2017: 6780 + 2007 2017 2025 G15 5 XRA 1-8A B9.3 6.3E-04 2641 28 Feb 2017: 6840 + 1142 1151 1215 G15 5 XRA 1-8A B7.7 1.0E-03 2641 5
CMEs detected by Cactus No wide CMEs reported this week. (Not a CME)
Energetic particles No particle events reported this week.
Solar wind Fast flow Fast flow???
Solar wind
Solar wind
Geomagnetism Fast solar wind
Outlook