COST Action 724 Space WeatherBrussels November 24, 2003

COST Action 724 Space WeatherBrussels November 24, 2003

COST Action 724 Space WeatherBrussels November 24, 2003

COST Action 724 Space WeatherBrussels November 24, 2003

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

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

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

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

COST Action 724 Space WeatherBrussels November 24, 2003

COST Action 724 Space WeatherBrussels November 24, 2003

Solar activity --> Solar wind E --> North Atlantic Oscillation --> T

Power industry interested

Solar activity --> Solar wind E --> North Atlantic Oscillation --> T

Power industry interested

ESA GIC Pilot Project ESA GIC Pilot Project

COST Action 724 Space WeatherBrussels November 24, 2003

COST Action 724 Space WeatherBrussels November 24, 2003

COST Action 724 Space WeatherBrussels November 24, 2003

COST Action 724 Space WeatherBrussels November 24, 2003

COST Action 724 Space WeatherBrussels November 24, 2003

COST Action 724 Space WeatherBrussels November 24, 2003

COST Action 724 Space WeatherBrussels November 24, 2003

COST Action 724 Space WeatherBrussels November 24, 2003

COST Action 724 Space WeatherBrussels November 24, 2003

COST Action 724 Space WeatherBrussels November 24, 2003

The October 14 -November 6 events:It all started with no sunspots

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

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)

The October 28 halo CME arrived

at 05 UT 29/10 (quickly Bz>0)

Effected transformer. GIC ≈ 173A

Then arrived the October 29halo CME at 17 UT 30/10

Then arrived the October 29halo CME at 17 UT 30/10

Power systems effected, power outage 20:07 in MalmöGICs > 200 A were measured (downloading data)

Discussions withoperators duringthe storm. They made adjustmentsbut not enough

The power failure got enormous media attention in Sweden

The power failure got enormous media attention in Sweden

Every TV, radio stationand newspaperhad something

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

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