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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2016 Dec 24 1247 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
24 Dec 2016	073	012
25 Dec 2016	072	012
26 Dec 2016	071	011

Bulletin

Solar activity was very quiet in the past 24 hours. No flares, no coronal mass ejections were observed. There are no NOAA numbered active regions (ARs) observed on the visible side of the Sun. Two NOAA Halpha plages 2619 and 2620 are rotating across the west solar limb. Solar protons have remained at background levels over the past 24 hours. Solar activity is expected to remain low over the next 24 hours with a small chance of B-class flares. The solar wind speed has slightly decreased from 720 km/s to 620 km/s over the past 24 hours. The total magnetic field strength has fluctuated between 6.5 nT and 3.5 nT. The Bz component has fluctuated between -4 nT and +4 nT. Geomagnetic conditions were ranged between Kp index 2-4 (NOAA) and local K index 1-5 (Dourbes) over the past 24 hours, with the singular enhance value from Dourbes K=5 (during 18-21 UT time slot yesterday, 23-12-2016). Enhanced solar wind variations are decreasing from this morning (00UT, 24-Dec-2016) and they are going to fade over the next couple of days. As a consequence geomagnetic conditions are expected to be active to unsettled to for the next couple of days (Kp index <= 4).

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 11 Stationen.

Solarindizes für den 23 Dec 2016

Wolf-Zahl Catania	011
10cm Solarflux	074
AK Chambon La Forêt	032
AK Wingst	021
Geschätzer Ap-Wert	024
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 21 Stationen

Zusammenfassung auffälliger Ereignisse

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

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