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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Mar 26 1304 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
26 Mar 2019	071	010
27 Mar 2019	071	013
28 Mar 2019	070	008

Bulletin

Solar activity is low with only few B-class flares reported during last 24 hours. Since there are presently no active regions observed on the visible side of the solar disc, we expect that even number of B-class flares will decrease in the coming hours. There were no Earth directed CMEs reported during last 24 hours and the solar protons remained at the background level.

The solar wind speed is presently about 350 km/s and the interplanetary magnetic field magnitude is 7 nT. The fast solar wind associated with the negative polarity equatorial coronal hole (seemingly connected to the southern polar coronal hole), which reached central meridian yesterday afternoon, is expected at the Earth in the morning of March 29. The geomagnetic conditions are presently quiet and we expect quiet to unsettled conditions in the coming hours. The arrival of the fast solar wind, associated with the negative polarity equatorial coronal hole that is expected later today, might induce unsettled to possibly but not very probably, active geomagnetic conditions.

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

Solarindizes für den 25 Mar 2019

Wolf-Zahl Catania	000
10cm Solarflux	071
AK Chambon La Forêt	009
AK Wingst	006
Geschätzer Ap-Wert	004
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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