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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2014 Aug 13 1226 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
13 Aug 2014	105	007
14 Aug 2014	105	007
15 Aug 2014	105	007

Bulletin

There were no C flares during the past 24 hours. In the next 48 hours, eruptive conditions (C flaring) are possible, especially from NOAA AR 2139, 2140, and 2137. CACTUS detected a partial halo CME first observed by LASCO C2 at 5:48 UT on August 12. This CME is most probably associated with a backside eruption visible on STEREO A EUVI 195 images around 4:55 UT and hence will not be geo-effective. Over the past 24 hours, solar wind speed as observed by ACE varied between about 400 and 480 km/s, with current values around 440 km/s. The magnitude of the Interplanetary Magnetic Field (IMF) varied between 3 and 9 nT. Over the past 24 hours, geomagnetic conditions were quiet to active (K Dourbes between 2 and 4; NOAA Kp between 1 and 4). Quiet geomagnetic levels (K Dourbes < 4) are expected on August 13, 14 and 15.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 056, basierend auf 15 Stationen.

Solarindizes für den 12 Aug 2014

Wolf-Zahl Catania	///
10cm Solarflux	104
AK Chambon La Forêt	022
AK Wingst	014
Geschätzer Ap-Wert	014
Geschätzte internationale Sonnenfleckenzahl	054 - Basierend auf 22 Stationen

Zusammenfassung auffälliger Ereignisse

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

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