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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2016 Sep 13 1309 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
13 Sep 2016	087	006
14 Sep 2016	085	011
15 Sep 2016	083	008

Bulletin

Solar activity was low in the past 24 hours. Only one B2.7 flare was observed today (13-Sep-2016) from active region (AR 2585) which peaked at 04:44 UT. Three additional active regions are presently observed on the solar disk. Their magnetic configuration is simple and the probability to produce a flare is small. No Earth-directed CMEs were observed. Solar activity is expected to be low with a small probability of C-class flares. Solar wind parameters were at nominal values. The Solar wind speed measured by DSCOVR and ACE fluctuated around 300 km/s. The magnitude of the Interplanetary Magnetic Field (Bt) has decreased from 8 nT to 5 nT, while Bz has been mainly negative since 19:00 UT yesterday ranging between +8 nT and -5 nT. There are currently no significant coronal holes on the solar disk that may influence the Earth. In the past 24 hours, geomagnetic conditions have been quiet (K Dourbes between 1 and 3; NOAA Kp between 1 and 2). Geomagnetic activity is expected to remain the low over the next 24 hours, with a small possibility of an increase when we encounter a sector boundary crossing on 2016-Sep-14.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 038, basierend auf 24 Stationen.

Solarindizes für den 12 Sep 2016

Wolf-Zahl Catania	065
10cm Solarflux	087
AK Chambon La Forêt	009
AK Wingst	006
Geschätzer Ap-Wert	006
Geschätzte internationale Sonnenfleckenzahl	058 - Basierend auf 35 Stationen

Zusammenfassung auffälliger Ereignisse

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

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