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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Oct 30 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

Quiet conditions (<50% probability of C-class flares)

Geomagnetismus

Active conditions expected (A>=20 or K=4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
30 Oct 2019	069	014
31 Oct 2019	069	007
01 Nov 2019	069	007

Bulletin

No active regions visible on the disk. Solar activity has been very low, no flares in the past 24 h. Low solar activity expected.

No Earth directed CMEs in past 24 h. Solar protons have remained at background levels over the past 24 hours.

The solar wind speed is at 390 km/s with interplanetary magnetic field magnitude of 14 nT. Geomagnetic conditions have been quiet to unsettled. The interplanetary magnetic field switched polarity (from positive to negative) around 20:00 UT on October 29, together with a steady increase in its magnitude, marking the upcoming arrival of the high speed stream from a negative polarity coronal hole. If the CME from October 25 arrived to the Earth (it may have missed it), its signatures are too weak (yet) to clearly identify it in the data.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 12 Stationen.

Solarindizes für den 29 Oct 2019

Wolf-Zahl Catania	000
10cm Solarflux	069
AK Chambon La Forêt	011
AK Wingst	007
Geschätzer Ap-Wert	008
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 26 Stationen

Zusammenfassung auffälliger Ereignisse

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

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