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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2015 May 02 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
02 May 2015	105	010
03 May 2015	110	011
04 May 2015	115	011

Bulletin

Flaring activity was very low. A few rather narrow CMEs were observed in SOHO/LASCO C2 images, but all seem to have no Earth-directed component. One CME (first measurement at 22:24 UT) was related to activity at the West limb, while another one (first measurement at 7:48 UT) was due to an eruption at the East limb. H alpha images indicate that a few filaments, located in the southern hemisphere, are getting unstable and might erupt in the next few days. Flaring at the C-level is possible (chance of 30%). Solar wind speed is in the 400-500 km/s range. The magnitude of the Interplanetary Magnetic Field (IMF) is between 8 and 13 nT. The quiet to unsettled (K=0 to 3) geomagnetic conditions are expected to continue, with some chance for geomagnetic active levels (K=4).

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 020, basierend auf 15 Stationen.

Solarindizes für den 01 May 2015

Wolf-Zahl Catania	///
10cm Solarflux	100
AK Chambon La Forêt	012
AK Wingst	005
Geschätzer Ap-Wert	005
Geschätzte internationale Sonnenfleckenzahl	015 - Basierend auf 19 Stationen

Zusammenfassung auffälliger Ereignisse

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

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