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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2020 May 09 1231 UTC

Vorhersage des SIDC

Sonneneruptionen

C-class flares expected, (probability >=50%)

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
09 May 2020	069	003
10 May 2020	069	008
11 May 2020	069	007

Bulletin

The solar activity was quiet over the past 24 hours. No sunspot is visible on the solar disc facing Earth. The X-ray flux is below B-class level and the solar activity is expected to remain at low levels.

No Earth directed Coronal Mass Ejections (CMEs) were observed in the available coronagraphic imagery in the last 24 hours.

The greater than 10 MeV proton flux was at nominal levels over the past 24 hours and is expected to stay at nominal levels for the next 24 hours. The greater than 2 MeV electron flux was between nominal and moderate levels over the past 24 hours and is expected to remain at nominal to moderate levels over the next 24 hours.

The Earth is under the influence of the slow solar wind streams. The solar wind parameters (DSCOVR) was at nominal values with the solar wind speed around 300-330 km/s. The total interplanetary magnetic field was below 5 nT. The Bz magnetic field components fluctuated between -4.3 nT and +4.1 nT. The solar wind regime is expected to remain mostly slow for the next days. Close to the end of this 24h-period very mild enhancements of the solar wind conditions may occur in response to the influence of the fast solar wind associated with the elongated extension of the southern polar coronal hole (negative polarity) that was facing Earth on May 6.

Geomagnetic conditions were quiet, and quiet conditions are expected for the next following day. In response to the mild influence of the fast solar wind streams associated with the south polar coronal hole extension, periods of unsettled conditions may occur in 1-2 days.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 22 Stationen.

Solarindizes für den 08 May 2020

Wolf-Zahl Catania	///
10cm Solarflux	068
AK Chambon La Forêt	005
AK Wingst	004
Geschätzer Ap-Wert	003
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 33 Stationen

Zusammenfassung auffälliger Ereignisse

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

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