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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2019 Jan 10 1231 UTC

Vorhersage des SIDC

Sonneneruptionen

Quiet conditions (<50% probability of C-class flares)

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

No forecast

	10cm Fluss	Ap
10 Jan 2019	073	003
11 Jan 2019	073	004
12 Jan 2019	073	008

Bulletin

The solar activity has been quiet over the past 24 hours. The X-ray flux remained below B-level, and the visible solar disc is spotless. Solar activity is expected to remain at low levels.

Some few narrow and slow solar Coronal Mass Ejections have been observed at the limb but no Earth directed component has been identified. The greater than 10 MeV solar protons flux remained at nominal levels over the past 24 hours and is expected to remain so.

The solar wind parameters continued to slowly return toward nominal values. The wind speed decreased from about 400 to 340 km/s. Total interplanetary magnetic field strength was below 5.5 nT. The southward magnetic component remained between -4.5 and 3.0 nT. The solar wind speed is expected to decrease further and remain at ambient background and slow solar wind speed regime for the next 24-hour period. A small equatorial coronal hole of negative polarity is now facing Earth, this might influence and slightly enhanced the solar wind parameters on January 13.

The geomagnetic conditions were quiet and are expected to remain quiet during the following next 24-hour period.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 08 Stationen.

Solarindizes für den 09 Jan 2019

Wolf-Zahl Catania	///
10cm Solarflux	072
AK Chambon La Forêt	006
AK Wingst	005
Geschätzer Ap-Wert	004
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 23 Stationen

Zusammenfassung auffälliger Ereignisse

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

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