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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2016 Aug 19 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
19 Aug 2016	082	005
20 Aug 2016	081	017
21 Aug 2016	079	006

Bulletin

Solar activity was very low in the past 24 hours. Only one B1.3 flare was observed yesterday 18-Aug-2016 (peaking at 14:14 UT). Three additional active regions are presently observed on the visible side of the solar disc. Their photospheric magnetic field configuration is simple (beta and alpha configuration). No Earth-directed CMEs were observed. Solar proton flux intensity is expected to lie within the background levels. Solar activity is expected to be low with small probability for C-class flares. Solar wind speed measured by DSCOVR varied between 390 and 350 km/s, while the magnitude of the Interplanetary Magnetic Field (Bt) fluctuated between 4 and 6 nT. Geomagnetic conditions have been quiet in the past 24 hours (K Dourbes between 1 and 3; NOAA Kp between 1 and 2). Geomagnetic activity is expected to continue at very low levels today (19-08-2016). Active to minor geomagnetic storm conditions (K Dourbes = 3-4) are possible from 20-Aug-2016 due to the expected arrival of a high speed stream associated with a coronal hole.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 051, basierend auf 19 Stationen.

Solarindizes für den 18 Aug 2016

Wolf-Zahl Catania	///
10cm Solarflux	082
AK Chambon La Forêt	009
AK Wingst	010
Geschätzer Ap-Wert	008
Geschätzte internationale Sonnenfleckenzahl	048 - Basierend auf 31 Stationen

Zusammenfassung auffälliger Ereignisse

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

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