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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2016 Jul 24 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Warning condition (activity levels expected to increase, but no numeric forecast given)

	10cm Fluss	Ap
24 Jul 2016	081	003
25 Jul 2016	079	008
26 Jul 2016	077	013

Bulletin

During the period, NOAA 2567 produced 8 C-class flares as well as one M-class event, an M2.0 flare peaking at 06:20UT. NOAA 2565 has quietly rounded the west limb. No earth-directed coronal mass ejections (CMEs) were observed.

Mostly C-class flares are expected, with still a good chance on an M-class event. The warning for a potential proton event remains in effect.

The interplanetary magnetic field was mostly directed towards the Sun (negative), except for a 3-hours positive sector starting 07:30UT. Solar wind speed varied between 350 and 440 km/s and Bz between -7 and +6 nT (mostly positive). Quiet geomagnetic conditions were observed.

Quiet to unsettled geomagnetic conditions are expected. Active episodes are possible starting late on 25 July or on 26 July, in response to the arrival of the high speed stream from the small northern positive coronal hole, as well as of the low-probability glancing blow from the 23 July CME.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 014, basierend auf 21 Stationen.

Solarindizes für den 23 Jul 2016

Wolf-Zahl Catania	///
10cm Solarflux	086
AK Chambon La Forêt	012
AK Wingst	010
Geschätzer Ap-Wert	009
Geschätzte internationale Sonnenfleckenzahl	030 - Basierend auf 26 Stationen

Zusammenfassung auffälliger Ereignisse

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

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