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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2016 Jan 22 1230 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Active conditions expected (A>=20 or K=4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
22 Jan 2016	104	018
23 Jan 2016	103	013
24 Jan 2016	106	005

Bulletin

NOAA 2487 produced the only C-class flare of the period, a C1.4 peaking at 13:51UT. The event lasted for 57 minutes (x-ray) and was associated with a relatively narrow coronal mass ejection (CME) that was not directed to Earth. The nearby 20 degrees long north-south oriented filament remained stable. NOAA 2486 was decaying. No earth-directed CMEs were observed.

There remains a chance on an isolated C-class flare. . The earth environment remained under the influence of the high speed stream of the southern polar coronal hole (CH). Solar wind started and ended the period with a speed of around 500 km/s, meanwhile reaching a maximum speed of about 550 km/s early on 22 January (02UT-05UT). Bz undulated between -7 nT and + 6 nT, while the interplanetary magnetic field was directed towards the Sun. Mostly active geomagnetic conditions were recorded, with locally (Dourbes) minor storming during the 22-23UT interval. The extension of a northern polar CH around +25 degrees latitude is transiting the central meridian.

Mostly quiet to unsettled geomagnetic conditions are expected, with a chance on an active episode.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 060, basierend auf 11 Stationen.

Solarindizes für den 21 Jan 2016

Wolf-Zahl Catania	057
10cm Solarflux	104
AK Chambon La Forêt	046
AK Wingst	037
Geschätzer Ap-Wert	037
Geschätzte internationale Sonnenfleckenzahl	058 - Basierend auf 24 Stationen

Zusammenfassung auffälliger Ereignisse

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

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