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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Jan 20 1230 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
20 Jan 2019	069	004
21 Jan 2019	069	007
22 Jan 2019	069	015

Bulletin

Solar X-ray flux remained below B level throughout the period. The Solar disk is spotless and X-ray flux is expected to continue to be below C level.

No earth directed CMEs have been recorded.

The proton flux levels were at background values and are expected to remain so.

Solar wind conditions are nominal. Solar wind speed decreased further from around 390 km/s to around 340-350 km/s. Total magnetic field was below 4nT. The magnetic field phi angle was predominantly in the negative sector. Nominal Solar wind conditions are expected over the next days. The Solar wind sector change preceding the coronal hole that is now transiting the central meridian is not expected before January 22 and further associated Solar wind enhancements are expected to set in January 23/24.

Geomagnetic conditions were mostly quiet (local K Dourbes 0-2) with an isolated unsettled period observed in NOAA Kp (0-3). Quiet geomagnetic conditions are expected over the next days, but will later increase to unsettled (from January 22) and thereafter (January 23/24) active periods.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 16 Stationen.

Solarindizes für den 19 Jan 2019

Wolf-Zahl Catania	///
10cm Solarflux	070
AK Chambon La Forêt	010
AK Wingst	007
Geschätzer Ap-Wert	006
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 20 Stationen

Zusammenfassung auffälliger Ereignisse

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

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