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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Jan 04 1258 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

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

Sonnenprotonen

Quiet

	10cm Fluss	Ap
04 Jan 2019	073	009
05 Jan 2019	074	018
06 Jan 2019	073	007

Bulletin

Solar activity remained low. NOAA active region 2732 produced one B1.9 flare peaking at 17:14 UT yesterday (January 3). No geoeffective coronal mass ejections (CMEs) were observed over the last 24 hours. The greater than 10 MeV proton flux was at nominal values. Solar activity is expected to remain at low levels with some probabailty for C-class flares. Solar wind speed abruptly increased from about 300 till 350 km/s this morning, January 4 (DSCOVR). Simultanioulsy interplanetary magnetic field amplitute increased till 9 nT, while Bz started to vary between -7 nT and +7 nT. The geomagnetic conditions were quiet. However, unsettled to active geomagnetic conditions can be expected later today (4 January) due to the increasing influence of the wind stream associated with the negative polarity equatorial coronal hole. An isolated minor storm can be expected tomorrow (Januray 5).

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 014, basierend auf 13 Stationen.

Solarindizes für den 03 Jan 2019

Wolf-Zahl Catania	///
10cm Solarflux	073
AK Chambon La Forêt	005
AK Wingst	001
Geschätzer Ap-Wert	001
Geschätzte internationale Sonnenfleckenzahl	018 - Basierend auf 19 Stationen

Zusammenfassung auffälliger Ereignisse

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

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