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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2018 Nov 02 1230 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
02 Nov 2018	067	005
03 Nov 2018	068	024
04 Nov 2018	067	021

Bulletin

Solar activity remained at very low levels. The visible solar disk was spotless. No earth-directed coronal mass ejections (CMEs) were observed over the last 24 hours. The greater than 10 MeV proton flux was at nominal values. A positive polarity equatorial coronal hole has transited the Central Meridian.

Solar activity is expected to remain at very low levels.

Solar wind speed varied between 320 and 360 km/s (DSCOVR). Bz ranged between -3 and +4 nT. The direction of the interplanetary magnetic field (phi angle) was mostly away from the Sun (positive sector), becoming more towards the Sun after 08UT. Quiet geomagnetic conditions were observed, with an isolated unsettled episode at Dourbes.

Mostly quiet geomagnetic conditions are expected until the arrival of the co-rotating interaction region and the high speed wind stream associated with the positive polarity CH. Based on STEREO-A data, this arrival is expected for mid-to-late 3 November, with wind speeds possibly up to 650 km/s and Bz around -10 nT. Geomagnetic conditions may then reach minor storm levels, a moderate storming episode not excluded.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 26 Stationen.

Solarindizes für den 01 Nov 2018

Wolf-Zahl Catania	///
10cm Solarflux	067
AK Chambon La Forêt	011
AK Wingst	005
Geschätzer Ap-Wert	004
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 17 Stationen

Zusammenfassung auffälliger Ereignisse

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

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