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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Jan 22 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
22 Jan 2019	070	007
23 Jan 2019	071	015
24 Jan 2019	071	010

Bulletin

During last 24 hours there were no C-class flares reported. New and still not numbered active region, which started to emerged yesterday morning, became more complex and it was source of A-class flares and one B-class flare this morning. We expect such a low flaring activity to persist in the coming hours. Isolated low C-class flares are possible but not very probable. There were no Earth directed CMEs reported during last 24 hours and the solar protons remained at the background level.

The Earth is still inside the slow solar wind with the speed of about 310 km. The interplanetary magnetic field magnitude is presently about 4 nT. The geomagnetic conditions are quiet and we expect them to remain so in the coming hours. The unsettled to active geomagnetic conditions can be expected starting from the late evening today, due to expected arrival of the fast solar wind from the extended positive polarity equatorial coronal hole which reached central meridian in the morning of January 19.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 017, basierend auf 15 Stationen.

Solarindizes für den 21 Jan 2019

Wolf-Zahl Catania	///
10cm Solarflux	070
AK Chambon La Forêt	006
AK Wingst	004
Geschätzer Ap-Wert	002
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 18 Stationen

Zusammenfassung auffälliger Ereignisse

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

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