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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2018 Aug 13 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Active conditions expected (A>=20 or K=4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
13 Aug 2018	069	006
14 Aug 2018	070	010
15 Aug 2018	070	021

Bulletin

The solar activity has been quiet over the past 24 hours: the visible solar disc is spotless and no significant flares have been recorded. Quiet flaring conditions are expected for the next 24-hour period.

No Earth directed Coronal Mass Ejection has been observed. The solar protons flux remained at nominal levels over the past 24 hours and is expected to remain so.

The solar wind speed ranged between 380 and 420 km/s, the total interplanetary magnetic fields remained below 6 nT, and the southward magnetic component varied between -4 and 3.5 nT. A north pole coronal hole (of positive polarity) that extended up to latitude -15 degree, reached the central meridian on July 11. The fast solar wind associated to this coronal hole is expect to reach Earth on July 15 early in the day.

The geomagnetic conditions were quiet and it is expected to remain quiet as the Earth remains in the slow solar wind speed regime. Enhancement of the geomagnetic conditions are expected on July 14 due to the arrival of the high speed solar wind.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 19 Stationen.

Solarindizes für den 12 Aug 2018

Wolf-Zahl Catania	///
10cm Solarflux	068
AK Chambon La Forêt	009
AK Wingst	008
Geschätzer Ap-Wert	006
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 22 Stationen

Zusammenfassung auffälliger Ereignisse

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

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