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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Dec 15 1231 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
15 Dec 2019	070	005
16 Dec 2019	070	008
17 Dec 2019	069	009

Bulletin

The visible side of the solar disc is still spotless. There were no flares reported during last 24 hours and we do not expect flaring activity in the coming hours. No earth-directed coronal mass ejections (CMEs) were reported and the solar protons remained at the background level.

The in situ data indicate possible arrival of the solar wind from the negative polarity coronal hole (simultaneous increase of the interplanetary magnetic field magnitude and the solar wind speed) starting from about 22:00 UT on December 14. The maximum of the solar wind speed of 430 km/s was reached at 01:30 UT this morning. The solar wind speed is presently about 370 km/s and the interplanetary magnetic field magnitude is 6 nT. The geomagnetic conditions are quiet and we expect them to stay so in the coming hours.

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

Solarindizes für den 14 Dec 2019

Wolf-Zahl Catania	///
10cm Solarflux	070
AK Chambon La Forêt	008
AK Wingst	002
Geschätzer Ap-Wert	002
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 31 Stationen

Zusammenfassung auffälliger Ereignisse

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

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