1. COST Action 724 Space Weather Brussels November 24, 2003

2. COST Action 724 Space Weather Brussels November 24, 2003

3. Solar activity (Rz) 1850 - 2002 Ampligrams & Time Scale Spectra

4. Solar Activity (Rz) 1850 - 2002 Ampligrams & Time Scale Spectra

5. COST Action 724 Space Weather Brussels November 24, 2003

6. Solar activity --> Solar wind E --> North Atlantic Oscillation --> T Power industry interested

7. ESA GIC Pilot Project

8. COST Action 724 Space Weather Brussels November 24, 2003

9. COST Action 724 Space Weather Brussels November 24, 2003

10. COST Action 724 Space Weather Brussels November 24, 2003

11. COST Action 724 Space Weather Brussels November 24, 2003

12. COST Action 724 Space Weather Brussels November 24, 2003

13. The October 14 -November 6 events: It all started with no sunspots
No sunspots (R=24)
Aurora observed in
Southern Sweden
(Gothenburg, Lund)
Media got interested
SOHO/MDI far side
images had told me
Large ARs were to come

14. Many radio and newspaper interviews followed and AR 484 entered

15. Then came the AR 486, October 28 event
Even more interviews
Warnings and reports were sent to
power industry
Discussions with power operators

16. The October 28 halo CME arrived at 05 UT 29/10 (quickly Bz>0)
Effected transformer. GIC ≈ 173A

17. Then arrived the October 29 halo CME at 17 UT 30/10
Discussions with
operators during
the storm. They made adjustments
but not enough
Power systems effected, power outage 20:07 in Malmö
GICs > 200 A were measured (downloading data)

18. The power failure got enormous media attention in Sweden
Every TV, radio station
and newspaper
had something

19. Och sen ….X28 solar flare November 4!!