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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2014 Nov 21 1204 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

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

Sonnenprotonen

Quiet

	10cm Fluss	Ap
21 Nov 2014	170	015
22 Nov 2014	172	015
23 Nov 2014	174	016

Bulletin

Six C-class flares were detected on the Sun in the past 24 hours: four in the NOAA AR 2209 and two in the NOAA AR 2216. The strongest flare was the C2.5 flare peaking at 19:56 UT yesterday in the NOAA AR 2209. It was not associated with a CME. The NOAA AR 2209 maintains the beta-gamma- delta configuration of its photospheric magnetic field, so we expect flaring activity on the C-level from this region as well as from the NOAA AR 2216, with an isolated M-class flare possible but unlikely. A long filament in the northern hemisphere is approaching the solar central meridian. Its eruption may lead to an Earth-directed CME. The Earth is currently inside a slow (around 380 km/s) solar wind flow with slightly elevated (7-8 nT) interplanetary magnetic field magnitude. The geomagnetic conditions are expected to stay at the quiet to unsettled level (K < 4) with isolated intervals of active conditions (K = 4).

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 046, basierend auf 11 Stationen.

Solarindizes für den 20 Nov 2014

Wolf-Zahl Catania	121
10cm Solarflux	168
AK Chambon La Forêt	021
AK Wingst	016
Geschätzer Ap-Wert	013
Geschätzte internationale Sonnenfleckenzahl	045 - Basierend auf 18 Stationen

Zusammenfassung auffälliger Ereignisse

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

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