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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2014 Dec 10 1224 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

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

Sonnenprotonen

Quiet

	10cm Fluss	Ap
10 Dec 2014	148	014
11 Dec 2014	152	007
12 Dec 2014	155	006

Bulletin

Solar activity was low with several C-class flares originating from NOAA active region 2230, which currently has developed to a beta-gamma region. The strongest flare was a C6.2 flare, peaking at 15:28 UT on December 9. No Earth directed CMEs were observed. Flaring activity at the C-level is expected. The solar wind speed varied between 450 and 550 km/s, but is gradually declining, as observed by ACE and SOHO/Celias. The magnitude of the interplanetary magnetic field reached a maximum of 8 nT. Geomagnetic conditions were quiet to active, related to effects of the CH high speed stream. Quiet to unsettled conditions are expected, with some chance for a few time slots of active to minor storm conditions.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 062, basierend auf 12 Stationen.

Solarindizes für den 09 Dec 2014

Wolf-Zahl Catania	103
10cm Solarflux	140
AK Chambon La Forêt	028
AK Wingst	018
Geschätzer Ap-Wert	019
Geschätzte internationale Sonnenfleckenzahl	050 - Basierend auf 17 Stationen

Zusammenfassung auffälliger Ereignisse

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

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