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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2017 Aug 16 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

C-class flares expected, (probability >=50%)

Geomagnetismus

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

Sonnenprotonen

Quiet

	10cm Fluss	Ap
16 Aug 2017	074	010
17 Aug 2017	077	022
18 Aug 2017	080	007

Bulletin

NOAA AR 2671 produced only 1 C-class flare in past 24 h (C1.1 peak at 13:52 UT on August 15), associated with a CME directed to the west that is not expected to affect the Earth. This region has a beta magnetic field configuration and it is still evolving, more C-class flares can be expected (and less likely M-class flares).

No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar protons have remained at background levels over the past 24 hours.

Geomagnetic conditions have been quiet (K and Kp 1 to 2). Solar wind speed is at 370 km/s with interplanetary magnetic field intensity of 5 nT. The fast solar wind from a coronal hole is expected to arrive within 24 h, producing K values up to 5 (with possible isolated periods of K values up to 6).

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 029, basierend auf 20 Stationen.

Solarindizes für den 15 Aug 2017

Wolf-Zahl Catania	///
10cm Solarflux	074
AK Chambon La Forêt	009
AK Wingst	004
Geschätzer Ap-Wert	003
Geschätzte internationale Sonnenfleckenzahl	021 - Basierend auf 28 Stationen

Zusammenfassung auffälliger Ereignisse

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

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