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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2015 Dec 22 1304 UTC

Vorhersage des SIDC

Sonneneruptionen

M-class flares expected (probability >=50%)

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
22 Dec 2015	127	015
23 Dec 2015	130	009
24 Dec 2015	133	004

Bulletin

Five sunspot groups were reported by Catania today. The most of the flaring activity in the past 24 hours was produced by the newly emerged Catania sunspot group 5 (NOAA AR 2473) at the south-east limb, the strongest flare being the M1.6 flare peaking at 03:34 UT today. Only weak and narrow CMEs were detected in association with the flaring activity. Catania sunspot group 4 (NOAA AR 2472), which produced two M-class flares yesterday, became more quiet. We expect the flaring activity at the M-level, in particular from the Catania sunspot group 5 (NOAA AR 2473), with a small chance for an X-class event. The Earth is currently inside a post-ICME solar wind flow, with the speed around 440 km/s and the interplanetary magnetic field (IMF) magnitude around 8 nT. The IMF north-south component Bz is fluctuating around zero, so quiet to unsettled conditions (K < 4) were reported by Dourbes and IZMIRAN, and only one interval of active geomagnetic conditions (Kp = 4) was reported by NOAA. Unsettled to active geomagnetic conditions are probable in the coming hours.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 067, basierend auf 08 Stationen.

Solarindizes für den 21 Dec 2015

Wolf-Zahl Catania	///
10cm Solarflux	122
AK Chambon La Forêt	021
AK Wingst	040
Geschätzer Ap-Wert	043
Geschätzte internationale Sonnenfleckenzahl	020 - Basierend auf 13 Stationen

Zusammenfassung auffälliger Ereignisse

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

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