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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2015 Mar 03 1220 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
03 Mar 2015	132	012
04 Mar 2015	132	018
05 Mar 2015	132	016

Bulletin

NOAA 2290, now well behind the NW solar limb, was the only region actively flaring. It produced 3 M-class flares peaking resp. at 15:28UT (M3.7), 19:31UT (M4.1) and 01:35UT (M8.2). Proton flux remained at nominal levels. Current imagery seems to indicate that none of the CMEs associated to these flares had an Earth directed component. NOAA 2292 has developed a small delta structure in its middle portion, but remained quiet. C-class flaring is expected, with a small chance on an M-class flare. Geomagnetic conditions ranged from quiet to active, as Earth is under the waning influence of the high speed stream from the southern polar CH. Solar wind speed gradually decreased from its maximum values near 700 km/s to its current 500 km/s. IMF was directed towards the Sun, with Bz oscillating between mostly -5 and +4 nT. A positive CH is about to transit the CM and may be of geomagnetic influence around 7 March. The geomagnetic field is expected to be quiet to unsettled, with a chance on an active episode.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 033, basierend auf 09 Stationen.

Solarindizes für den 02 Mar 2015

Wolf-Zahl Catania	097
10cm Solarflux	130
AK Chambon La Forêt	034
AK Wingst	024
Geschätzer Ap-Wert	029
Geschätzte internationale Sonnenfleckenzahl	045 - Basierend auf 21 Stationen

Zusammenfassung auffälliger Ereignisse

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

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