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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2014 Jun 18 1245 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
18 Jun 2014	112	011
19 Jun 2014	112	005
20 Jun 2014	115	005

Bulletin

NOAA ARs 2087 and 2089 have beta-gamma configuration of their photospheric magnetic field. The strongest flare of the past 24 hours was the C4.0 flare peaking at 03:31 UT today in the NOAA AR 2087. The flare was associated with coronal dimmings and a post-eruptive arcade observed by SDO/AIA, and also probably with a narrow CME first seen in the SOHO/LASCO C2 field of view at 07:48 UT. The CME is not expected to arrive at the Earth. We expect further flaring activity on the C-level, in particular from NOAA ARs 2087 and 2093, with an M-class flare being possible but not very likely. An interplanetary sector boundary was crossed around 17:00 UT yesterday. The interplanetary magnetic field (IMF) magnitude increased up to 10 nT, but it did not exhibit prolonged intervals of strongly negative north-south component Bz. The geomagnetic conditions were quiet to unsettled. The Earth is currently inside a slow (around 400 km/s) solar wind flow with slightly elevated (around 6 nT) IMF magnitude. The geomagnetic conditions are quiet and are expected to remain so.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 085, basierend auf 14 Stationen.

Solarindizes für den 17 Jun 2014

Wolf-Zahl Catania	///
10cm Solarflux	114
AK Chambon La Forêt	///
AK Wingst	012
Geschätzer Ap-Wert	010
Geschätzte internationale Sonnenfleckenzahl	067 - Basierend auf 16 Stationen

Zusammenfassung auffälliger Ereignisse

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

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