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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2016 Dec 02 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
02 Dec 2016	085	002
03 Dec 2016	084	003
04 Dec 2016	084	005

Bulletin

Only two B-class flares were observed during the period, the strongest a B2.9 at 17:11UT by NOAA 2612. There are currently 4 sunspot groups visible on the solar disk, mostly small and with relatively simple magnetic configurations. NOAA 2615 remains the most prominent and complex region. No earth-directed coronal mass ejections (CMEs) were observed in available coronagraphic imagery. The greater than 10MeV proton flux was at nominal levels.

Quiet flaring conditions are expected, with a chance on an isolated C-class event.

Solar wind parameters were at nominal levels, except during the brief passage of a transient structure around midnight. Current solar wind speed values are around 380 km/s. Bz has been fluctuating between -3 nT and +4 nT during the entire period. The interplanetary magnetic field was mostly directed away from the Sun. Solar wind parameters are expected to remain at nominal values. The particle stream from a small positive coronal hole (CH; S15W18) may mildly affect the earth-environment late on 4 or on 5 December.

The geomagnetic field was at quiet levels and is expected to remain so. Unsettled conditions are possible on 4 or 5 December in response to the arrival of the CH's particle stream.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 065, basierend auf 13 Stationen.

Solarindizes für den 01 Dec 2016

Wolf-Zahl Catania	///
10cm Solarflux	085
AK Chambon La Forêt	003
AK Wingst	001
Geschätzer Ap-Wert	001
Geschätzte internationale Sonnenfleckenzahl	060 - Basierend auf 21 Stationen

Zusammenfassung auffälliger Ereignisse

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

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