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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2018 Sep 11 1401 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Moderate (ISES: Major) magstorm expected (A>=50 or K=6)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
11 Sep 2018	068	051
12 Sep 2018	069	031
13 Sep 2018	068	014

Bulletin

Solar activity was very low with X-ray flux below B level throughout the period. The only active region on disk (NOAA AR 2721) produced one A3.5 flare peaking at 12.53 UT yesterday. No earth-directed coronal mass ejections (CMEs) were observed. The greater than 10MeV proton flux remained at background levels over the past 24 hours. Solar activity is expected to remain at very low levels. Solar wind speed increased from about 370 to about 600 km/s during the past 24 hours (DSCOVR) due to the influence of a co-rotating intercation region followed by the influence of a positive polarity coronal hole high speed stream. Due to the strong negative Bz varied between -13 and +11 nT geomagnetic conditions reached moderated storm level Kp index = 6 during 03-09 UT today and minor storm level locally at Dourbes (K = 5) during the same time interval. Geomagnetic activity is expected to continue mostly at the minor storm level today and tomorrow.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 015, basierend auf 17 Stationen.

Solarindizes für den 10 Sep 2018

Wolf-Zahl Catania	///
10cm Solarflux	069
AK Chambon La Forêt	042
AK Wingst	026
Geschätzer Ap-Wert	025
Geschätzte internationale Sonnenfleckenzahl	011 - Basierend auf 18 Stationen

Zusammenfassung auffälliger Ereignisse

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

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