COST Action 724 Space Weather Brussels November 24, 2003.

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Presentation transcript:

COST Action 724 Space Weather Brussels November 24, 2003

Solar activity (Rz) Ampligrams & Time Scale Spectra

Solar Activity (Rz) Ampligrams & Time Scale Spectra

COST Action 724 Space Weather Brussels November 24, 2003

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

ESA GIC Pilot Project

COST Action 724 Space Weather Brussels November 24, 2003

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

Many radio and newspaper interviews followed and AR 484 entered

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

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

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

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

Och sen ….X28 solar flare November 4!!