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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2015 Nov 25 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

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

Sonnenprotonen

Quiet

	10cm Fluss	Ap
25 Nov 2015	115	018
26 Nov 2015	117	021
27 Nov 2015	119	015

Bulletin

In the past 24 hours, beta region NOAA AR 2454 produced one C1.9 flare which peaked around 8:26 UT on November 25. C flares are expected within the next 24 hours, with a 10% chance for an M flare. STEREO COR2 A first observed a bright CME in its East to Southeast direction at 8:54 UT on November 25. LASCO data are not yet available. This CME is most probably associated with the C1.9 flare of 8:26 UT. Awaiting LASCO imagery, and in view of the location of the flare near the West limb, this CME is not expected to be Earthbound. The Earth is currently within a slow solar wind region regime. Solar wind speed varied between 260 and 360 km/s in the past 24 hours, while the magnitude of the Interplanetary Magnetic Field ranged between 2 and 5 nT. Over the past 24 hours, geomagnetic conditions have been quiet (K Dourbes between 0 and 2; NOAA Kp between 0 and 1). The expected arrival of a coronal hole high speed stream may cause active (K Dourbes = 4) geomagnetic levels on November 25, 26 and 27, with a slight chance for minor storm intervals (K Dourbes = 5).

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 060, basierend auf 10 Stationen.

Solarindizes für den 24 Nov 2015

Wolf-Zahl Catania	///
10cm Solarflux	113
AK Chambon La Forêt	002
AK Wingst	000
Geschätzer Ap-Wert	001
Geschätzte internationale Sonnenfleckenzahl	062 - Basierend auf 16 Stationen

Zusammenfassung auffälliger Ereignisse

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

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