1. SIDC Space Weather briefing
25 June – 01 July 2018
Jasmina Magdalenic
&
SIDC forecaster team
Solar Influences
Data analysis Centre

2. 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

3. Solar active region evolution3

4. 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

5. 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: G15 5 XRA 1-8A B E
28 Feb 2017: G15 5 XRA 1-8A B E 5

6. CMEs detected by Cactus
No wide CMEs reported this week.
(Not a CME)

7. Energetic particles
No particle events reported this week.

8. Solar wind
Fast flow
Fast flow???

9. Solar wind

10. Solar wind

11. Geomagnetism
Fast solar wind

12. Outlook