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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2020 Oct 05 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
05 Oct 2020	071	005
06 Oct 2020	071	007
07 Oct 2020	071	007

Bulletin

Solar X-ray flux remained below B level throughout the period. There are no active regions on disk and chances for flaring at C level are very low.

No Earth directed Coronal Mass Ejections (CME's) have been observed in coronagraph data.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours, and is expected to remain so in the next 24 hours. The greater than 2 MeV electron flux is above 10^4 pfu, continuously exceeding the 10^3 pfu threshold in the past 24 hours. The electron flux is expected to remain elevated over the next days.

Solar wind is in a near nominal regime. Solar wind speed decreased from around 400 km/s at the start of the period to a minimum of 317 km/s and is now around 350 km/s. The total magnetic field was mainly below 5 nT, but currently reaches close to 6nT. The Bz component has been variable with values reaching -5nT, this morning. The magnetic field phi angle indicated connection with the positive sector (magnetic field oriented away from the Sun), though was somewhat more variable this morning. Near nominal Solar wind conditions are expected over the next days.

Geomagnetic conditions were quiet (NOAA Kp 0-1 and local K Dourbes 0-2). Quiet geomagnetic conditions are expected for the next days.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 14 Stationen.

Solarindizes für den 04 Oct 2020

Wolf-Zahl Catania	///
10cm Solarflux	071
AK Chambon La Forêt	008
AK Wingst	004
Geschätzer Ap-Wert	004
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 23 Stationen

Zusammenfassung auffälliger Ereignisse

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

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