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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2015 Jul 07 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

M-class flares expected (probability >=50%)

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
07 Jul 2015	139	007
08 Jul 2015	142	005
09 Jul 2015	146	008

Bulletin

NOAA 2381 still has some mixed magnetic polarities. It was responsible for most of the flaring activity, including the strongest flare of the past 24 hours (M1.7 peaking at 20:40UT). No Earth-directed coronal mass ejections (CME) have been observed. The other sunspot regions are small and quiet. A strong CME, first observed by LASCO/C2 at 15:12UT near the southeast limb, was related to a backside event. The probable source region is at or just behind the southeast limb.

C-class flares are expected, with a good chance on an isolated M-class flare.

Earth is gradually exiting the high speed, low density stream of the negative coronal hole (CH). Solar wind speed varied mostly between 450 and 500 km/s, with Bz varying between -4 and +5 nT. A positive equatorial CH is transiting the central meridian.

Quiet to unsettled geomagnetic conditions are expected, with an active episode not excluded.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 117, basierend auf 17 Stationen.

Solarindizes für den 06 Jul 2015

Wolf-Zahl Catania	///
10cm Solarflux	133
AK Chambon La Forêt	013
AK Wingst	///
Geschätzer Ap-Wert	014
Geschätzte internationale Sonnenfleckenzahl	104 - Basierend auf 30 Stationen

Zusammenfassung auffälliger Ereignisse

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

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