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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Dec 13 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
13 Dec 2019	070	005
14 Dec 2019	069	006
15 Dec 2019	069	005

Bulletin

Solar activity is still very low and there were no flares reported during last 24 hours. We expect such a low level of flaring activity to persist in the coming hours. During last 24 hours we observed few faint and rather narrow coronal mass ejections (CMEs) that, based on the presently available observations, do not seem to be earth-directed. The solar protons remained at the background level.

Earth is presently within the slow solar wind with speed of about 370 km/s and the interplanetary magnetic field magnitude is 2 nT. The solar wind originating from the narrow and extended equatorial coronal hole of negative polarity that reached central meridian in the evening of December 10, might arrive to the Earth late on December 14. The geomagnetic conditions are quiet and we expect them to stay so in the coming hours.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 05 Stationen.

Solarindizes für den 12 Dec 2019

Wolf-Zahl Catania	000
10cm Solarflux	071
AK Chambon La Forêt	008
AK Wingst	004
Geschätzer Ap-Wert	003
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 18 Stationen

Zusammenfassung auffälliger Ereignisse

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

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