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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Nov 30 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

Quiet conditions (<50% probability of C-class flares)

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
30 Nov 2019	070	005
01 Dec 2019	070	004
02 Dec 2019	070	003

Bulletin

Solar activity was at very low levels. The visible solar disk was spotless. No earth-directed coronal mass ejections (CMEs) have been observed in available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal values.

Solar activity is expected to remain at very low levels.

Solar wind speed gradually increased from initial values around 360 km/s to near 400 km/s at the end of the period (ACE). The interplanetary magnetic field (phi angle) was predominantly directed towards the Sun (negative sector). Bz varied between -6 and +5 nT, with a sustained negative stretch near -5 nT between 19-22UT that resulted in unsettled to active geomagnetic conditions during the 21-24UT interval (Kp = 3; K Dourbes = 4). For the remainder of the period, geomagnetic activity was mostly at quiet levels.

Geomagnetic activity is expected to remain at mostly quiet levels, an unsettled interval not excluded.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 28 Stationen.

Solarindizes für den 29 Nov 2019

Wolf-Zahl Catania	000
10cm Solarflux	070
AK Chambon La Forêt	011
AK Wingst	007
Geschätzer Ap-Wert	005
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 24 Stationen

Zusammenfassung auffälliger Ereignisse

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

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