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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2018 Jun 25 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
25 Jun 2018	075	010
26 Jun 2018	074	018
27 Jun 2018	073	013

Bulletin

Solar activity is low and only several B-class flares were reported during last 24 hours. We do not expect change in the level of flaring activity in the coming hours. Presently available coronagraph images do not show signatures of the Earth directed CMEs, and the solar protons remained at the background level. The solar wind speed presently amounts about 420 km/s and the interplanetary magnetic field magnitude is 5 nT. The increase of the solar wind speed, associated with the recurrent coronal hole (the low latitude extent of the southern polar coronal hole which is reaching even up to solar equator), is expected late today or tomorrow, June 26. The geomagnetic conditions are presently quiet and we expect quiet to unsettled geomagnetic conditions in the coming hours. The intervals of active geomagnetic conditions are possible starting from June 26.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 017, basierend auf 23 Stationen.

Solarindizes für den 24 Jun 2018

Wolf-Zahl Catania	///
10cm Solarflux	075
AK Chambon La Forêt	013
AK Wingst	///
Geschätzer Ap-Wert	011
Geschätzte internationale Sonnenfleckenzahl	025 - Basierend auf 31 Stationen

Zusammenfassung auffälliger Ereignisse

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

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