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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2014 Nov 18 1208 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
18 Nov 2014	167	015
19 Nov 2014	169	013
20 Nov 2014	175	013

Bulletin

Although NOAA AR 2209 maintains the beta-gamma-delta configuration of its photospheric magnetic field, it produced only two weak C-class flares during the past 24 hours. The strongest flare was the C1.8 flare peaking at 08:09 UT today. It was not associated with a CME. No other active region produced C-class flares. We expect flaring activity on the C-level to continue in the NOAA AR 2209, with an M-class flare possible but unlikely. The Earth is currently inside a slow (around 450 km/s) solar wind flow with average (5-6 nT) interplanetary magnetic field (IMF) magnitude. Even if the IMF was strongly fluctuating, it was directed predominantly southward during several hours yesterday, resulting in intervals of active geomagnetic conditions (K = 4) reported by Dourbes (one interval) and IZMIRAN (two intervals). Other than that, the geomagnetic conditions are quiet and are expected to remain so, possibly with isolated intervals of active conditions.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 066, basierend auf 08 Stationen.

Solarindizes für den 17 Nov 2014

Wolf-Zahl Catania	///
10cm Solarflux	168
AK Chambon La Forêt	022
AK Wingst	012
Geschätzer Ap-Wert	012
Geschätzte internationale Sonnenfleckenzahl	073 - Basierend auf 17 Stationen

Zusammenfassung auffälliger Ereignisse

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

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