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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2020 Aug 12 1233 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
12 Aug 2020	075	005
13 Aug 2020	075	007
14 Aug 2020	075	007

Bulletin

The solar activity was quiet over the past 24 hours. The sunspot (NOAA-AR 2770) continued to produce small B-class flares. The X-ray flux remained, however, below C-class level. An new region showing some activity is currently turning around the East limb (at about 30 degree latitude South). The solar activity is expected to remain at low levels with a very small chance of occurring a C-class flare from the Region NOAA-AR 2770 and eventually from the new region.

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 reached high levels over the past 24 hours and may reach high levels over the next 24 hours.

The Earth continued to be under the influence of the slow solar wind streams. The solar wind parameters (DSCOVR) show nominal values with the solar wind speed around 300 km/s, the total interplanetary magnetic field below 5 nT, and the Bz magnetic field components fluctuating between -4.2 nT and +3.4 nT. The solar wind conditions are expected to remain mostly nominal for the next days.

Geomagnetic conditions were quiet, and quiet conditions are expected for the next following day.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 017, basierend auf 29 Stationen.

Solarindizes für den 11 Aug 2020

Wolf-Zahl Catania	///
10cm Solarflux	074
AK Chambon La Forêt	005
AK Wingst	004
Geschätzer Ap-Wert	002
Geschätzte internationale Sonnenfleckenzahl	012 - Basierend auf 33 Stationen

Zusammenfassung auffälliger Ereignisse

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

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