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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2017 Nov 10 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Minor storm expected (A>=30 or K=5)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
10 Nov 2017	066	017
11 Nov 2017	066	021
12 Nov 2017	069	007

Bulletin

The solar activity is quiet as the solar disc remains spotless; no flares and no active regions have been recorded in past 24 h on the disc. The X-ray flux is expected to remain below C level.

No Earth directed Coronal Mass Ejections have been observed and the solar protons flux remained at background levels over the past 24 hours.

The Earth remained in the fast flow, the speed has decreased up to 550 km/s on Nov 9 abound 17:00 UT before unexpectedly rising again up to a current value of 700 km/s. The interplanetary magnetic field magnitude remained below 7 nT and the Bz component was fluctuating between -6 and 6 nT. The solar wind speed is expected to remain fast as long as the Earth remains in the solar wind flow associated with the high speed stream coming from the coronal hole (that has crossed the central meridian on Nov 4).

Unsettle to disturb geomagnetic conditions were observed (local K Dourbes 2-4, NOAA Kp 3-4). As long as the Earth remains in the fast solar wind flow, further minor to moderate geomagnetic storms cannot be excluded, especially if Bz component remains negative for long period of time.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 000, basierend auf 12 Stationen.

Solarindizes für den 09 Nov 2017

Wolf-Zahl Catania	000
10cm Solarflux	066
AK Chambon La Forêt	031
AK Wingst	025
Geschätzer Ap-Wert	025
Geschätzte internationale Sonnenfleckenzahl	000 - Basierend auf 21 Stationen

Zusammenfassung auffälliger Ereignisse

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

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