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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2015 Oct 23 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Minor storm expected (A>=30 or K=5)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
23 Oct 2015	115	006
24 Oct 2015	110	012
25 Oct 2015	105	016

Bulletin

Solar activity was low without any significant flare. NOAA active region 2436 remains the most complex region, but was inactive. The > 10 MeV proton flux was enhanced from 23:00 UT on, but remained well below the event threshold. This disturbance probably was due to the long duration flare of October 22. Flaring at the C-level is expected. No Earth-directed CMEs were observed in current available coronagraphic images.

The solar wind speed was at 400 km/s till 22UT, when the speed became variable between 400 and 500 km/s. The interplanetary magnetic field was at a constant magnitude around 5 nT. Quiet (K<3) to unsettled (K=3) geomagnetic conditions were observed, which are expected to continue for the next 24 hours. From the second half of October 24 the solar wind might be disturbed due to a glancing blow from the October 22 CME. This can result in (at maximum) minor storm (K=5) conditions.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 090, basierend auf 08 Stationen.

Solarindizes für den 22 Oct 2015

Wolf-Zahl Catania	///
10cm Solarflux	121
AK Chambon La Forêt	012
AK Wingst	006
Geschätzer Ap-Wert	005
Geschätzte internationale Sonnenfleckenzahl	095 - Basierend auf 19 Stationen

Zusammenfassung auffälliger Ereignisse

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

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