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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2013 Aug 23 1224 UTC

Vorhersage des SIDC

Sonneneruptionen

Eruptive (C-class flares expected, probability >=50%)

Geomagnetismus

Minor storm expected (A>=30 or K=5)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
23 Aug 2013	130	015
24 Aug 2013	124	017
25 Aug 2013	120	023

Bulletin

Several minor C-class flares were observed by GOES, mainly originating from NOAA AR 1820 and 1828. A CME observed in LASCO/C2 on 22 August at 8h36 travels mainly southward and will likely miss the Earth. C-class flaring is expected to continue for the next 24 hours. Solar wind speed as observed by ACE is around 500 km/s. The magnitude of the interplanetary magnetic field is near 5 nT, with a mainly negative Bz component. Current geomagnetic conditions are unsettled. A new increase to active levels is predicted later today due to the arrival of the CME of 20 August. On 24 and 25 August we expect active to minor storm levels (K possibly up to 5) due to the arrival of the CME of 21 August, combined with some minor influence of a coronal hole fast speed stream.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 094, basierend auf 14 Stationen.

Solarindizes für den 22 Aug 2013

Wolf-Zahl Catania	///
10cm Solarflux	132
AK Chambon La Forêt	021
AK Wingst	018
Geschätzer Ap-Wert	018
Geschätzte internationale Sonnenfleckenzahl	097 - Basierend auf 19 Stationen

Zusammenfassung auffälliger Ereignisse

Zur Verfügung gestellt vom Solar Influences Data Analysis Center© - SIDC - Verarbeitet von SpaceWeatherLive

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