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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2015 Aug 09 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
09 Aug 2015	120	008
10 Aug 2015	120	008
11 Aug 2015	120	007

Bulletin

Two C-class flares were recorded during the past 24 hours, originating from NOAA active region 2396. The strongest flare was a C4.2 flare, peaking at 7:52 UT. An eruption also occurred near NOAA active region 2393 close to the West limb, peaking at 11:44 UT in SDO/AIA. Coronagraphic imagery is not yet available to analyze any potential CME.

Three CMEs, with first measurements at 20:36 UT and 22:24 UT (on August 7), 00:12 UT (on August 8), were related to eruptions in the Southeast and the Northwest quadrant. The third CME was the strongest one having an apparent width of about 160 degrees. These CMEs have no Earth-bound component, so no geomagnetic consequences are expected.

Flares at the C-level are expected. Also an M-class flare is possible, but not very likely.

The solar wind speed has values varying from 460 to 570 km/s and the magnitude of the interplanetary magnetic field (IMF) is below 10 nT. Geomagnetic conditions are quiet to unsettled, at global (estimated NOAA Kp) and local (Dourbes) levels, and are expected to remain so.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 070, basierend auf 18 Stationen.

Solarindizes für den 08 Aug 2015

Wolf-Zahl Catania	///
10cm Solarflux	121
AK Chambon La Forêt	019
AK Wingst	014
Geschätzer Ap-Wert	014
Geschätzte internationale Sonnenfleckenzahl	089 - Basierend auf 27 Stationen

Zusammenfassung auffälliger Ereignisse

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

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